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LeCroy LC Series Operator's Manual
Summary of LC Series
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Operator’s manual lecroy lc series color digital oscilloscopes revision k — december 1999.
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Lecroy corporation 700 chestnut ridge road chestnut ridge, ny 10977–6499 tel: (914) 578 6020, fax: (914) 578 5985 lecroy sa 2, rue du pré-de-la-fontaine 1217 meyrin 1/geneva, switzerland tel: (41) 22 719 21 11, fax: (41) 22 782 39 15 internet: www.Lecroy.Com copyright © january 1999, lecroy. All rig...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 ..................................................... 1–1 .....................................................................
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k ............................................................ 8–1 ...............................................................................
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 ........................................................................... 13–1 ......................................................................... 13–4 ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b l a n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 lecroy recommends that you thoroughly inspect the contents of the oscilloscope packaging immediately upon receipt. Compare the contents to the packing list/invoice shipped with the instr...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k h e lp o n in s ta lla tio n , c a lib ra tio n , a n d th e u s e o f l e c ro y e q u ip m e n t is a va ila b le fro m th e l e c ro y c u s to m e r s e rvic e c e n te r in yo u r c o u n try ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 c o n ta c t th e n e a re s t l e c ro y s e rvic e c e n te r o r o ffic e to fin d o u t w h e re to re tu rn th e p ro d u c t. A ll re tu rn e d p ro d u c ts s h o u ld b e id e n tifie d b y m ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b la n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 wherever a feature is specific or not applicable to a particular model or series of models, the applicability is indicated as, for example: lc564 and lc584 s eries only . See appendix a for each model’...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k r e p e titive s ig n a ls c a n b e a c q u ire d a n d s to re d a t a r a n d o m in te rle a ve d s a m p lin g (r is ) ra te o f 1 0 g s /s fo r a ll m o d e ls e x c e p t lc564, lc584, and lc684 s ...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 t h e a n a lo g p e rs is te n c e ™ function offers display attributes of an a n a lo g in s tru m e n t w ith a ll th e a d va n ta g e s o f d ig ita l te c h n o lo g y. T h e f u ll s c re e n fu n c tio n e x p a n d...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k f a s t m e m o r y d is p la y p r o c e s s o r s a m p le & h o ld t rig g e r l o g ic external trigger ch1 ch2 ch3 ch4 t im e b ...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 # # # d is p la y p r o c e s s o r external trigger ch1 ch2 ch3 ch4 t im e b a s e p r o g ra m m e m o r y p o w e r p c m ic ro p r o c e s s o r w ith in te g r a te d c a c ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b l a n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 ensure that the operating environment is maintained within the following parameters for safe operation of the oscilloscope within specifications: tem perature ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k earth (ground) terminal protective conductor terminal alternating current only chassis terminal. Earth (ground) terminal on bnc connectors. Warning denotes a hazard. If a warning is indicated on...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 n o voltage selection is required because the instrum ent autom atically adapts to the line voltage that is present. t he pow er supply of the oscilloscope is protected against short- circuit and overload by m eans of...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b la n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 lc684 only.
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k the front-panel controls are divided into four main groups of buttons and knobs: • system setup • channels • timebase + trigger • zoom + math other buttons access special features. ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 on-screen menus — the panels along the right-hand side of the screen — are used to select specific scope actions and settings. All other on-screen text is for information only. The menus are ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h e a c tiva te d s e le c tio n is h ig h lig h te d in th e m e n u . P re s s th e c o rre s p o n d in g m e n u b u tto n a n d th e fie ld w ill a d va n c e to h ig h lig h t...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 besides the menu buttons and knobs described on the previous pages, the system setup controls include the menu entry buttons and others for copying displays, reporting instrument status, and re...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k g iv e s y o u a c c e s s t o th e “c u r s o r s ” s e tu p m e n u s , w h ic h a re u s e d to m a k e p re c is e c u rs o r m e a s u re m e n ts o n tra c e s , a n d th e “m e a s u r e ” m e n u ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 press the blue auto setup button to automatically scale the timebase, trigger level, offset, and volts/div to provide a stable display of repetitive signals. This button operates only on active channels. If no channels are s...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k the grid area of the screen and the fields surrounding it provide a variety of useful information, and specific commands and functions..
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 real-time clock: p ow ered by a battery-back ed real-tim e clock , th is fie ld d is p la ys th e c u rre n t d a te a n d tim e . Displayed trace label: t his field indicates each channel or c h a n n e l d is p la ye d , t...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k trace and ground level: t his is the trace num ber and ground- le ve l m a rk e r. ( not show n) time and frequency: t his area displays the tim e and frequency re la tive to c u rs ...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 these controls let you select displayed traces and adjust vertical sensitivity and offset. p ress these buttons to display or sw itch off the corresponding channel trace....
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t he form at of the vertical sensitivity in the a cquisition s um m ary field (bottom left of screen) show s w hether the v o lt s /d iv knob is operating in continuous or stepping m ode. t hi...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 press to select a coupling level that adapts the oscilloscope’s input impedance to the impedance of the device under test. This button also accesses the menus that let you select the coupling and grounding of eac...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k “bw l” if the g lobal b w l is deactivated. S ee c hapter 12, “special m odes.” t h is fu n c tio n s e ts th e p ro b e a tte n u a tio n fo r th e in p u t c h a n n e l. (s e e th e fo l...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 calibrate the passive probe supplied with the oscilloscope as follows ( see also the separate instruction sheet provided with the probe): 1. Turn on the oscilloscope. 2. If you are using the hf-...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k p ro to c o l. P ro b u s o ffe rs im p o rta n t a d va n ta g e s o ve r s ta n d a rd b n c a n d p ro b e -rin g c o n n e c tio n s . For exam ple, the system ensures correct input coupling by aut...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 channel, it appears as “bw l” if the g lobal b w l is deactivated. S ee c hapter 12, “special m odes.” w hen a fe t probe is used, “p robe sensed… ” appears a u to m a tic a lly. W h e n o th e r p ro b u s p ro b e s a r...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b l a n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 these controls let you adjust time/division, trigger level and delay; and to access the “timebase” and “trigger” menu groups. See chapter 7 for descriptions of the timebase modes that a...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k p re s s th is b u tto n to p la c e th e in s tru m e n t in a u to m o d e : th e s c o p e a u to m a tic a lly d is p la ys th e s ig n a l if n o trig g e r q u ic k ly o c c u rs . • if a trig g e r d o ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 p re s s th is b u tto n to p la c e th e in s tru m e n t in s in g le -s h o t m o d e , w h e re it w a its fo r a s in g le trig g e r to o c c u r, th e n d is p la ys th e s ig n a l a n d s to p s a c q u irin ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h is m e n u e n try b u tto n c a lls u p th e “t im e b a s e ” m e n u s (d e s c rib e d in th e n e x t c h a p te r). t h is m e n u e n try b u tto n c a lls u p “t r ig g e r ...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 depending on the timebase, you may choose from three sampling modes: single-shot, ris (random interleaved sampling), or roll mode. Furthermore, for timebases suitable for single-shot...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k w ith s lo w tim e b a s e s , s a m p le ra te d e c re a s e s a n d ve ry s h o rt e ve n ts s u c h a s g litc h e s c a n b e m is s e d if th e y o c c u r b e tw e e n s a m p le s . T o a ...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 o n a ve ra g e , 1 0 4 trig g e r e ve n ts a re n e e d e d to c o m p le te a n r is a c q u is itio n . B u t s o m e tim e s m a n y m o re a re n e e d e d . T h e s e s e g m e n ts a re in te rle a ve d to p ro vid ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t rig g e r tim e s ta m p s a re g ive n fo r e a c h o f th e s e g m e n ts , u s in g th e “t e x t & t im e s s ta tu s ” m e n u (s e e c h a p te r 1 6 ). E a c h in d ivid u a l s e g m e n t c a n b ...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 for fast timebases, interleaving of the oscilloscope’s adcs by the combining of channels greatly boosts both sample rate and memory length. d epending on your scope m odel, a pair of chan...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k press to choose single-shot, ris. Or sequence modes to combine channels and increase sample rate and record length on most models; or use peak detect and the external clock, where avai...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 u se this feature to select the m axim um num ber of sam ples to be acquired, using the associated m enu knob. S ee a ppendix a for m odel m axim um s. L l c c 5 5 6 6 4 4 a a n n d d l l c c 5 5 8 8 4 4 s s e ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k l l c c 3 3 3 3 4 4 , , l l c c 3 3 7 7 4 4 , , l l c c 5 5 3 3 4 4 , , l l c c 5 5 7 7 4 4 s s e e r r i i e e s s t h e s e m e n u s a p p e a r w h e n a n e x te rn a l c lo c k m o d e...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 l l c c 5 5 6 6 4 4 , , l l c c 5 5 8 8 4 4 , , a a n n d d l l c c 6 6 8 8 4 4 s s e e r r i i e e s s o o p p t t i i o o n n a a l l t h is m e n u is in a c tive w h e n a n e x te rn a l s a m p le c lo c k is...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h is is u s e d fo r s e q u e n c e m o d e . t h is m e n u is in a c tive w h e n s e q u e n c e m o d e is b e in g u s e d . Single-shot is selected by default. ...
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L c x x x -o m -e r e v k is s u e d : d e c e m b e r 1 9 9 9 in s e q u e n c e m o d e , p re s s in g e a c h o f th e t im e b a s e + t r ig g e r b u tto n s m e n tio n e d h e re h a s p a rtic u la r e ffe c ts o n th e a c q u is itio n . • w hen you press...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b l a n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 trigger setup edge smart your oscilloscope offers many distinctive and useful techniques for triggering on, and capturing, data. These range from simple edge trigger to the ad...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k a variety of triggers for specific applications can be chosen from the two main trigger groups, edge and smart trigger. in the e dge group of m enus, trigger conditions are d...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 selecting “edge” and its menus (fig. 8–2) causes the scope to trigger whenever the selected signal source meets the trigger conditions. The trigger source is defined by the trigger level, coupling, slope or hold...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h e t r i g g e r s o u r c e m a y b e o n e o f t h e f o l l o w in g : t he acquisition channel signal (c h 1, c h 2, c h 3 or c h 4) c o n d itio n e d fo r th e o ve ra ll vo lta...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t h is is th e p a rtic u la r typ e o f s ig n a l c o u p lin g a t th e in p u t o f th e trig g e r c irc u it. A s w ith th e trig g e r le ve l, th e c o u p lin g c a n b e in d e p e n d e n tly s e le c te ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h is is th e m in im u m tim e b e tw e e n trig g e rs (f ig . 8 – 3 ). A trig g e r is g e n e r a te d w h e n th e tr ig g e r c o n d itio n is m e t a fte r th e s e le c te d h ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 h old-off by events is initialized and started on each trigger (f ig . 8 – 4 ). A trigger is generated w hen the trigger condition is m et after the selected num ber of events from the last trigger. A n ev...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h e w in d o w t rig g e r (f ig . 8 – 5 ) a llo w s th e d e fin itio n o f a w in d o w re g io n w h o s e b o u n d a r ie s e x te n d a b o v e a n d b e lo w th e s e le c te d trig g e r le v e...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 smart trigger types allow additional qualifications before a trigger is generated. Depending on the oscilloscope model, it may include triggers adapted for glitches, intervals, abnormal signals, tv signals, sta...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k g litch w id th generated trigger g litch w id th w id th s e le cte d trigger source trigger can occur w id th s e le cte d d igital electronics circuits norm ally use an internal c...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 s e le c tin g “g litc h ” a n d s e ttin g w id th c o n d itio n s c a n a ls o e n a b le th e e x c lu s io n o f e v e n ts th a t fa ll in o r o u t o f a s e le c te d ra n g e o f w id th . T h is ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k w he re a s g litc h t rig g e r p e rfo rm s o ve r th e w id th o f a p u ls e , in te rv a l t rig g e r (f ig . 8 – 9 ) p e rfo rm s o ve r th e w id th o f a n in te rva l. A n in ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 for this interval t rigger, generated on a tim e interval sm aller than the one selected, a m axim um interval betw een tw o like edges of the sam e slope — positive, for exam ple — is chosen (f ig . 8 – 1 ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k f o r th is in te rv a l t rig g e r, g e n e ra te d o n a n in te rva l la rg e r th a n th e o n e s e le c te d , a m in im u m in te rv a l b e tw e e n tw o e d g e s o f th e s am...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 this in te rva l t rig g e r is g e n e ra te d w h e n e ve r a n in te rva l b e tw e e n tw o e d g e s o f th e s a m e s lo p e fa lls w ith in a s e le c te d ra n g e (f ig . 8 – 1 2 ). T h e t...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k this interval trigger is generated whenever an interval between two edges of the same slope falls outside a selected range(fig. 8–13). The trigger is generated on the second edge ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 p a tte rn t rig g e r (f ig . 8 – 1 4 ) e n a b le s trig g e rin g o n a lo g ic a l c om b in a tio n o f th e five in p u ts c h 1 , c h 2 , c h 3 , c h 4 a n d e x t . T h is c om b in a tio n , c a lle...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k p a tte rn t rig g e r c a n b e u s e d in d ig ita l d e s ig n fo r th e te s tin g o f c om p le x lo g ic in p u ts o r d a ta tra n s m is s io n b u s e s . Figure 8–15. Patt...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 o nce the pattern is defined, one of tw o transitions can be used to generate the trigger. W hen the pattern begins, called entering the pattern, a trigger can be generated. A lternatively, a trig...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k in th e c a s e o f q u a lifie d t rig g e rs (f ig . 8 – 16), a s ig n a l’s tra n s itio n a b o ve o r b e lo w a g iv e n le ve l — its v a lid a tio n — s e rve s a s a n e n a ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 q u a lifie d t rig g e rs o ffe r th e c h o ic e o f g e n e ra tin g a trig g e r w h e n a s e le c te d p a tte rn is p re s e n t o r a b s e n t. A s w ith p a tte rn t rig g e r, th e p a tte rn is d e fin e d a s a...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k figure 8–17. State-qualified by wait: trigger after timeout. The broken upward-pointing arrows indicate potential triggers, while the bold arrows show where the actual triggers occurs. A s th e a b o ve...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 like itsstate-q ualified equivalent, edge-q ualified w ith w ait (fig. 8–18) is conditioned b y either t im e or e vents: time determines a delay from the start of the desired pattern. After the d...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k intended to be used exclusively in sequence mode to speed up the trigger rate. With qualified first, a single valid trigger is sufficient to acquire a full sequence. Other than in sequence mode, qualifi...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 figure 20. Comparing qualified (top) and qualified first (bottom) triggers. Whereas the (edge-) qualified trigger requires that each of the segments be “qualified” by a valid condition in sequence mode, qualified first trig...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k a s p e c ia l k in d o f e d g e -q u a lifie d t rig g e r, t v t rig g e r (f ig . 8 – 2 1 ) a llo w s s ta b le trig g e rin g o n s ta n d a rd o r u s e r-d e fin e d c o m p o s ite vi...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 this example tv trigger shows a trigger on line 338 of an even field of a pal/secam signal on ch 1. The “25” in parentheses is the number of the line selected in field 1. because most tv systems have ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k d ro p o u t t rig g e r (f ig . 8 – 2 2 ) p ro v id e s trig g e rin g w h e n e ve r th e s ig n a l d is a p p e a rs fo r a s e t p e rio d o f tim e . T h e trig g e r is g e n e ra...
Page 83: Generated Trigger
L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 figure 8–23. Dropout trigger: occurs when the time-out has expired. The bold upward-pointing arrows show where the trigger occurs. This dropout trigger example shows a wait time-out of 25 ns. Generated trigger trigger sourc...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k r u n t t rig g e r o n c o u p lin g w ith l e ve l: u p p e r le ve l, lo w e r le ve l d c , a c , l f r e j, h f r e j 1 , 2 , 3 , 4 , e xt, e xt5 w id th : ru n t = e d g e : n e g a tive , p o sit...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 figure 8–25. Runt trigger: triggers when a pulse crosses the first threshold but not the second before re-crossing the first — marked by the bold, upward-pointing arrows. This example sows a positive edge (“neg” was selecte...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k s le w r a te t rig g e r (f ig . 8 – 2 6 ) a c tiva te s a trig g e r w h e n th e ris in g o r fa llin g e d g e o f a p u ls e c ro s s e s tw o th re s h o ld le v e ls : a n u p p e r a n d a lo w ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 figure 8–27. Slew rate trigger: occurs when a rising or falling edge crosses two thresholds (dv) outside a selected time range (dt), marked by the bold, upward-pointing arrow. This slew rate example is the same as the edge ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k press to access selection of: trigger source, coupling for each source, slope (positive or negative), and hold-off by time or events. u s e th is to s e le c t edg...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 press to access the various smart trigger types: glitch (see page 8-36) exclusion (see page 8-36) interval (see page 8–38) tv (see page 8–39) state- and edge-qualified (see pages 8–40, 8–41) ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k u se this to select glitch (for an explanation of g litch t rigger, refer to page 8– 9). exclusion trigger is also set using these m enus — refer to page 8–11. u ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 w hen pattern is selected from “trigger on” in g litch m ode (and also in interval m ode — see next page), the instrum ent triggers on the logic a n d of up to five sources. u se this t...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k u se this to select interval (for an explanation of interval trigger, refer to page 8–12). u se this to select the trigger source. W hen pattern is selected, the...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 u se this to select tv (for an explanation of tv trigger, refer to page 8–26). u se this to select the trigger source. u se this to define the field num ber: odd or even. ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k u se this to select qualified (for an explanation of state-q ualified trigger, refer to page 8–21). u se this to select state. u se this to select th...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 u se this to select the qualified trigger type (for an explanation of e dge-q ualified t rigger, refer to page 8–23). u se this to select edge. u se this to select the tri...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k u se this to select dropout (for an explanation of d ropout t rigger, refer to page 8–42). u se this to select the trigger source...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 u se this to select pattern (for an explanation of pattern t rigger, refer to page 8–17). u se this to select entering for the instrum ent to trigger when the pattern starts being tr...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k u se this to select qual first (for an explanation of q ualified first trigger, refer to page 8–24). u se this to select edge or state. u se this to se...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 l l c c 5 5 6 6 4 4 , , l l c c 5 5 8 8 4 4, and lc684 s s e e r r i i e e s s o o n n l l y y t o select runt (for an explanation of r unt t rigger, refer to page 8–30). u se this to se...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k l l c c 5 5 6 6 4 4 , , l l c c 5 5 8 8 4 4, and lc684 s s e e r r i i e e s s o o n n l l y y u se this to select slew rate (for an explanation of slew r ate trigger, ref...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 a wide range of zoom and mathematical processing functions (detailed in the next chapter) can be performed on acquired waveforms with the controls described here. Four processed traces are available ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h e position k nob repositions zoom ed traces h o rizo n ta lly . If th e s o u rc e o f th e e x p a n d e d w a ve fo rm is d is p la ye d , a n in te n s ifie d re g io n c o rre s p o n d in g to th e a re a o f e x...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 you can zoom several traces from a single waveform to obtain precise timing measurements. F o r in s ta n c e , o n a w a ve fo rm c o m p o s e d o f tw o...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k a wide range of standard or optional mathematical and waveform processing functions is available on lc series oscilloscopes. Not all functions are described here. Those s...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t h e w e ig h t o f ‘o ld ’ w a ve fo rm s in th e c o n tin u o u s a ve ra g e te n d s to ze ro (fo llo w in g a n e x p o n e n tia l ru le ) a t a ra te th a t d e c re a s e s a s th e w e ig h t in c re a s e s . ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k w h e n th e s e le c te d m a x im u m n u m b e r o f s w e e p s is re a c h e d , th e a c c u m u la tio n s to p s . Y o u c a n in te rru p t th e s a m e p ro c e s s b y c h a n g in g th ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 you can apply waveform mathematics to any channel or reference memory. Furthermore, any trace of a, b, c, or d can be set up as a math function, allowing several computations to be made in sequenc...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k press to configure any of the four traces and to execute any zoom or math function using the “zoom + math” menus. Any trace and function can be chained to another trac...
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L c x x x -o m -e r e v k is s u e d : n o ve m b e r 1 9 9 9 t h is a p p e a rs w h e n “r ed efin e a” (for exam ple) is selected from the “zo o m + m a t h ” m enus. t his is for toggling betw een no (zoom only) and yes (m ath functions) setups. ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his appears w hen “zo o m and a uto-scroll” is selected from the zo o m + m a t h m enu group. M u lt i-zo o m unifies the control of all zoom traces, w hile a u t o -sc r o ll m oves...
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L c x x x -o m -e r e v k is s u e d : n o ve m b e r 1 9 9 9 — allow s addition, subtraction, m ultiplication and division, as w ell as choice of the tw o operands and the operator. T he exam ple on this page show s a setup of trace a as the sum of c hannels 1 and 2. ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his feature offers sum m ed (linear) or continuous (exponential) a veraging. S how n here is an exam ple setup of trace a as a s um m ed a verage (over 1000 sw eeps) of c hannel 1. (se...
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L c x x x -o m -e r e v k is s u e d : n o ve m b e r 1 9 9 9 t his lets you select low -pass digital filters that increase the resolution of the displayed signal at the expense of its bandw idth. (see a ppendix b for a detailed explanation .) t h e s e d ig ita l...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his is used for acquiring a trace envelope over m any acquisitions (see also page 10–3). s elect yes to enable the choice of a m ath function. u se this subm enu to s...
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L c x x x -o m -e r e v k is s u e d : n o ve m b e r 1 9 9 9 t his is used to display the fast fourier t ransform (fft ) of a signal and to view it in the frequency dom ain. (see the final section of this chapter, and a ppendix c , for w hen and how to use fft .) s ele...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his is used for displaying the fft pow er averaging of an fft source trace. P ow er averaging is useful for characterizing broadband noise or periodic signals w ithout a stable trigg...
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L c x x x -o m -e r e v k is s u e d : n o ve m b e r 1 9 9 9 t his gives you access to a variety of m ath display functions. s elect yes to enable the choice of a m ath function. u se this subm enu to select functions. u se this subm enu to sel...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his deskew feature allow s a signal on one channel to be resam pled, and adjusted in tim e relative to a signal on another channel. It is valuable w herever there is the need to com pen...
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L c x x x -o m -e r e v k is s u e d : n o ve m b e r 1 9 9 9 t his is used for selecting a w aveform and adjusting a (the m ultiplication factor) and b (the additive constant) in the form ula: ( a ∗ waveform ) + b, w here both constants can have values ranging betw een −10 1...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k the fft (fast fourier transform) converts a time domain waveform into frequency domain spectra similar to those of an rf spectrum analyzer display. But unlike th...
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L c x x x -o m -e r e v k is s u e d : n o ve m b e r 1 9 9 9 s im ila rly, if th e s o u rc e w a ve fo rm is a zo o m tra c e , th e fre q u e n c y re s o lu tio n is th e re c ip ro c a l o f th e d is p la ye d w a ve fo rm ’s d u ra tio n . t h e fre q u e n c ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h e c o n s ta n t k in th e illu s tra tio n in c lu d e s th e d e c im a tio n fa c to r d e s c rib e d a b o ve , a s w e ll a s a u to m a tic d is p la y s c a lin g fa c to rs . T h is s...
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L c x x x -o m -e r e v k is s u e d : n o ve m b e r 1 9 9 9 t o a c h ie ve a d e s ire d f f t s p a n , firs t m a k e s u re th a t th e s a m p lin g ra te is m o re th a n tw ic e th e s p a n d e s ire d . C o n tro l th e s a m p lin g ra te u s in g th e t im e...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h e e x a m p le illu s tra te d b e lo w s h o w s h o w th e o s c illo s c o p e m a in ta in s th e d is p la y fa c to r. A s a m p lin g ra te o f 2 5 m s /s w o u ld re s u lt in a fu ll ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 the large display reveals the complete picture with advanced color management. Colors are used to give on- screen objects added depth and distinctness, and to clarify their relationships. T h...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k the advanced color management system ensures that both the objects and the relationships between them are always clearly visible — even when the objects overlap. Objects include: wavefo...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 c oupling m enus are trace-colored, and m ath s etup m enu sources have their ow n color as w ell. s election of the opaque presentation of overlapping waveform s places one on top of another in norm al,...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k white dark cyan ocean spray fuchsia cyan cream ice blue raspberry yellow sand pastel blue neon pink green amber pale blue pale pink magenta olive sky blue pink blue light green royal blue vermilion red jade deep ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 analog persistence provides an analog view of signals while maintaining digital data manipulation flexibility. P re s s o r u s e th e d is p l a y s e t u p “p e rs is te n c e ” m e n u (s e e p a g e 1...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k in a d d itio n , a n a lo g p e rs is te n c e provides user-definable, post- a c q u is itio n s a tu ra tio n c o n tro l o f th e m a p s , a llo w in g d e ta il to b e e a s ily d ra w n o u t o f th e d is p la y. ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 press to access the display setup menus (see page 11–13 ) and to select from “standard” or “xy” mode and grids persistence dot join “single” (1), “dual” (2), “quad” (4), or “octal” (8) grids ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k g rid s tyle s , e x a m p le s o f w h ic h a re s h o w n o n th e fo llo w in g p a g e s , o ffe r a va rie ty o f w a ys to vie w o n e o r m o re tra c e s in e ith e r s ta n d a rd o r x y d is p la y. A...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 standard display — dual, quad grid.
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k parameter display — quad grid — full-screen mode: trace information normally contained in the trace labels is arranged beneath the grid in full screen . P re s s in g e x p a n d s th e g rid d is p la y to fill th e e n t...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 xy display grids — xy (left), and xy + dual (below ).
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k you can display as m any as eight traces at the sam e tim e w ith their re s p e c tive tra c e la b e ls a n d a n y c o m b in a tio n o f m a th , zo o m , a n d m e m o rie s . W h e n “o c t...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 w ith standard selected, these m enus becom e accessible: t his is for activating p ersistence (see next m enu). Its functioning is coupled to the a n a lo g p e r s is t button. ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k w ith both standard and “persistence” on selected in the first m enu, these m enus appear: t his is for activating p ersistence. W hen on, this can be cleared and reset...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t hese m enus appear w hen persistence setup is selected from d is p la y s e t u p . s elect on to show the last acquired trace. t his is for selecting the persistence duration, in secon...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k w hen xy is selected in the first m enu, these other m enus appear. t his is for activating p ersistence. t his is for accessing x y s e t u p (see next page). t h...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 w hen the corresponding m enu button for x y s e t u p is pressed and w hen “persistence” is off, these m enus appear: u se this to select analog or color graded persistence for a single sw eep. ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k w hen xy is selected in the first m enu and persistence is activated, these m enus appear: u se this to turn p ersistence on. t his is for accessing x y s e ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t hese m enus appear w hen you press the corresponding m enu button for “x y–p ersist s etup.” t his is for selecting the persistence duration, in seconds. T he num ber of sw eeps ac...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k press the button alongside the “more display setup” menu to gain direct access to these menus. t his is for accessing the s creen s aver controls. W hen enabled, the built-...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t h is is u s e d to tu rn on the m easure g ate function, w hich h ig h lig h ts th e g a te d p a ra m e te r re g io n b y m a k in g th e tra c e in th e re g io n o u ts id e th e p a ra m e te r a n e u ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his enables colors to be assigned to displayed objects, and color schem es to be custom ized. t his is for copying one of the six preset color schem es ( 1 through 6) to a user color schem e ( u1 ...
Page 147
L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 press to access the primary menus for: hardcopy settings time and date settings for the real-time clock gpib and rs-232-c settings mass storage utilities (inc...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k w hen you select “h ardcopy s etup” from u t ilit ie s these m enus appear: u se this to select the output device. T his m enu show s the options installed in the instrum ent. T he device c...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 o o p p t t i i o o n n a a l l o o n n m m o o s s t t m m o o d d e e l l s s u s e th is to s e le c t th e d e vic e to w h ic h th e in s tru m e n t is to o u tp u t d a ta : in ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k w hen you select “t im e d ate s etup” from u t ilit ie s these m enus appear: t h is is fo r changing to d aylight s avings t im e. t h is i...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 when you select “gpib/rs232 setup” from utilities, you can use the rs-232-c port on the rear panel for remote operation of the oscilloscope, and for direct interfacing to a hard-copy device to output displa...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k w h e n “g p ib /r s 2 3 2 s e tu p ” is s e le c te d fro m u t il it ie s th e s e m e n u s a p p e a r: t h is is fo r s e le c tin g th e p o rt fo r re m o te c o n tro l. ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 when you select “mass storage utilities” from utilities, the “mass storage” menu group appears (see page 12– 10). This menu gives access to the mass storage file system controls. The system supports s...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k a s in m s -d o s, the file nam e can take up to eight characters follow ed by an extension of three characters. A file is treated as: a panel setup if its extension is pnl a waveform if its ext...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t he default notation for w aveform files is s tt.Nnn for m anually stored files and a tt.Nnn for autom atically stored files, the characters s and a representing the tw o storage m ethods, r...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t he s r a m m em ory card contains a battery for preserving data. W hen this needs replacing, the m essage “b a d b a t t er y” appears. T he battery should be changed w hile the m em ory card is still...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t hese m enus appear w hen “floppy d isk u t ilit ie s ” is selected from m a s s s t o r a g e and a floppy has been newly inserted, or there is no floppy in the drive u se this to read the f...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k o nce the floppy disk has been read, these m enus appear. T hey display inform ation about the installed storage m edia: last “form at” date and tim e m em ory size and available free space date, tim e, an...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t hese m enus appear w hen “t e m p la t e a n d fo r m a t t in g ” is selected from flo p p y u t il. u se this to form at the floppy in d o s form at w ith an interleave factor of tw o, w...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t hese m enus appear w hen “m a s s s t o r a g e ,” “h ard d isk u t ilit ie s ,” and “t e m p la t e a n d fo r m a t t in g ” are selected. u se this to quickly (15 seconds) clear the portable h...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t hese m enus appear w hen “m a s s s t o r a g e ,” “m ass s torage p references,” are selected and used for: selecting the working directory deleting a directory accessing the “file nam e preferences” m...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his m enu group appears w hen “file n am e p references” is selected from the preceding m enu, and is used for defining custom nam es for w aveform , setup, or hardcopy files. u se this to se...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t his is used to define a new directory w ith a custom nam e. t his is for creating a new directory. t his is for validating the new directory. u se this t...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t hese m enus, w hich appear w hen “m a s s s t o r a g e ” “file t ransfers” is selected, are used to copy files from one m edium to another. (depending on options installed) u se this to select the ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 when you select “special modes” from utilities, these menus become available (not all selections may be available). accesses: t his is for specifying the tim e-out in s equenc...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k u s e d fo r m o n ito rin g re m o te c o m m a n d s re c e ive d th ro u g h th e g p ib a n d r s -2 3 2 re m o te c o n tro l p o rts , th e r e m o te c o n tro l a s s is ta n t h e lp s d e b u g c o ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t his lets you custom ize the operation of front panel controls. w hen this is on, all front panel buttons when pressed and held in will cursor sequentially through all the choices in the...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t hese m enus allow updating of the oscilloscope w ith new softw are. S how n here is the full screen w arning m essage displayed w hen “fla s h u p d a t e” has been selected from “s p e c ia l m o d e s .” ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 when you select “cal bnc setup” from utilities, you can choose the type of signal output at the cal bnc connector. You can also choose the frequency, amplitude, and pulse shape of the calibration ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b la n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 press waveform to store waveforms to internal memory (m1, m2, m3, or m4) in lecroy’s binary format. You can also store waveforms in binary or ascii format on floppy disk, memory...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his is for choosing the data form at, as described on the previous page. W hen ascii is selected, the prim ary “setup asc ii form at” m enu appears im m ediately beneath this m enu, giving acce...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t his secondary m enu, accessed through s e t u p a s c ii fo r m a t , offers a choice of a s c ii form ats. (for details on each form at, see a ppendix e )..
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k press waveform to recall a waveform from internal memory, floppy, or the optional memory card or removable hard disk (hdd). u se this to select the storage m edium from w h...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 f f l l o o p p p p y y d d i i s s k k o o r r o o p p t t i i o o n n a a l l s s t t o o r r a a g g e e d d e e v v i i c c e e t his selects the device or m edium on w hich the file is stored: hdd, ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b la n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 the cursors are basic and important tools for measuring signal values. In s ta n d a rd d is p la y m o d e , amplitude (voltage) cursors, re p re s e n te d ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k in x y d isplay, a bsolute a m plitude cursors appear as horizontal and vertical bars that can be m oved up and dow n and side-to-side across the screen. R elative a m plitude curs...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 press to access menus that let you customize special functions. The contents of the custom menu will vary according to the options installed in the oscilloscope. L l c c 6 6 8 8 4 4 s s e e r r i i e e s s o o n n l...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k (continued) l l c c 6 6 8 8 4 4 s s e e r r i i e e s s o o n n l l y y press the custom button to access these custom applications: t h is w iza rd s te p s yo u th ro u g h jitte ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 press — to access the “m e a s u r e ” s etup m enus. u se this to select cursors. t his is for selecting time (tim e or frequency cursors) or amplitude (voltage or am plitude c...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k the instrument can determine certain signal properties automatically, using signal parameters. Standard parameters are listed and described in appendix d of this manua...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 the parameter has been determined for several periods (up to 100), and the average of those values has been taken. The parameter has been determined over an integral number of periods. The parameter has been cal...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k for a single trace, this m ode m easures: peak-to-peak (am plitude between m axim um and m inim um sam ple values) m ean of all sam ple values standard devi...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 for a single trace, this m ode m easures: period width (at 50% am plitude) rise tim e (10–90% of am plitude) fall tim e (90–10% of am plitude) delay (from trigger to first 50% ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k in this m ode, up to five param eters can be displayed for various traces. t his is for selecting parameters. t his is for selecting the custom...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t his is for m odifying param eters. u se this to select up to five different param eters for m odification. u se this to specify the category of param eter. W hen all is selected, the “m easu...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k p aram eters can be custom ized to m eet specific needs. u se this to select up to five different param eters for m odification. u se this to specify the category or type ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 this is for customizing the measure parameter (Δt@lv in this case). See appendix d for descriptions of all standard parameters. t his is for selecting w hether the levels should be absolute, or a percenta...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k this is for customizing the measure parameter (Δc2d+ in this case). See appendix d for descriptions of all standard parameters. u se this to set the hysteresis division. A voltage ban...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 parameters can also be used in performing pass/fail tests. These tests require a combination of measurements within chosen limits, and invoke an action when the test either passes or fails, depending on w...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k u se this to select parameters. u se this to select pass or fail. t his is for turning testing off or on. T urn testing off only to ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 u se this to select up to five different param eters for m odification. (see “action” selection on page 14–22). u se this to select param or, if no test is required, --- (no test). t o se...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k u se this to select up to five different param eters for m odification. (see “action” selection on page 14–22). u...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 u se this to select up to five different param eters for m odification. (see “action” selection on page 14–22). t his is for selecting mask or --- (no ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k u se this to select w’form. t his is for selecting d=m4 if the m ask is to be autom atically displayed on the screen. O therw ise sele...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 f f l l o o p p p p y y d d i i s s k k o o r r o o p p t t i i o o n n a a l l s s t t o o r r a a g g e e d d e e v v i i c c e e u se this to select the device. t his is for selecting d=m4 to auto...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k d epending on the test result certain actions can be taken: t his is for selecting action. u se this to delete all previously...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 press to access the menus used for saving or recalling configurations — panel setups — to or from non- volatile memory, floppy disk, memory card, or portable hard disk (h...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k u s e th is to s a ve o r re c a ll a p a n e l s e tu p . W h e n yo u s e le c t save (a s s h o w n o n th e p re vio u s p a g e ) th e “t o s e t u p ” m e n u s a p p e a r. W h e n yo u s e le c t re...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t h is is fo r s e le c tin g th e d e vic e fro m w h ic h to re c a ll a s e tu p : flo p p y, m e m o ry c a rd , o r p o rta b le h a rd d is k (h d d ), d e p e n d in g o n th e o p tio n s in s ta ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b l a n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 press to open the “status” menu and access full- screen summaries of the oscilloscope’s system status or other functional status. t h is s c re e n s h o w s ve rtic ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h is s c re e n s h o w s th e s e ria l n u m b e r o f th e s c o p e , firm w a re ve rs io n , a n d th e s o ftw a re a n d h a rd w a re o p tio n s in s ta lle d . T h e “s o ftw a re o p tio n s ” m e n...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t h is s h o w s u s e r te x t in th e w a ve fo rm d e s c rip to r* a n d trig g e r tim in g in fo rm a tio n . W h e n “t e x t & t im e s ” is s e le c te d th e “fo r” a n d “s e le c t” m e n u s s h o ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his screen provides detailed status inform ation on channels, m em ories, zoom and m ath, or displayed traces. T hese are specified using the bottom m enu, w hich appears w hen “w aveform ” is selecte...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t his screen show s how m uch m em ory is being used and how m uch rem ains free. M em ory allocation: m em ories m 1–m 4 can be selected and then cleared using the “c le a r in a c t iv e ” m enu. T h e d e d i...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b la n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 bandwidth ( 3 db) lc334, lc374 series: @ 50 Ω: dc to 500 m hz @ 1 m Ω d c : d c to 5 0 0 m h z typ ic a l a t p ro b e tip lc534, lc574 series: @ 50 Ω: dc to 1 g hz @ ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k offset range lc334 series: 2.00 to 9.99 m v /div: ±120 m v 1 0 .0 to 1 9 9 m v /d iv: ±1 .2 v 0 .2 to 5 .0 v /d iv: ±2 4 v lc374, lc534, lc574, lc564, lc584 series: 2 .0 0 to 4 .9 9 m v /d iv: ±4 0 0 m v 5 .0 0 to 9 9 ...
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L x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 m emory per c hannel ( in p oints ) model c hannels u sed (p eak d etect on/off) on s eries … m ax . S ample r ate a am al a ctive ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k m emory per c hannel ( in p oints ) model c hannels u sed on s eries … m ax . S ample r ate a am al axl a ctive c hannels any channel lc564 series 2 gs/s 10...
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L x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 m emory per c hannel ( in p oints ) m odel c hannels u sed m ax . S ample r ate d dm dl dxl a ctive c hannels any channel lc684 series 2 gs/s 100 k 500 k...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k scale factors: t here is a wide range of probe attenuation factors available. Dc accuracy: ±1% typical; guaranteed ≤ ±2% full scale (e ig h t d ivis io n s ) a t 0 v o ffs e t lc564, lc584 series: ±(1% full scale + 1% of...
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L x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 system random access memory: lc334a lc374a lc534a lc574a lc334am lc534am lc564a lc574am 8 lc334al lc534al lc564a lc584a lc584am 16 lc684d lc684dm 16 lc574al lc584al lc584axl 64 lc684dl...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k number of segments available: l c 3 3 4 a l c 3 7 4 a l c 5 3 4 a l c 5 7 4 a 2 t o 5 0 0 l c 5 6 4 a l c 5 8 4 a l c 6 8 4 d 2 t o 1 0 0 0 lc334am, al lc534am , al lc574am , al lc584am lc684dm 2 t o 2 ...
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L x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 modes: n o r m a l, a u t o , s in g le , and s t o p . Sources: c h 1, c h 2, c h 3, c h 4, line, ext, ext/10 (ext/5 on lc564, lc584 , and lc684 s eries ). S lope, level, and c oupling are uni...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k pattern: t he oscilloscope triggers on the logic com bination of five in p u ts — c h 1 , c h 2 , c h 3 , c h 4 , a n d e x t t rig g e r, w h e re e a c h s o u rc e c a n b e d e fin e d a s “h ig h ...
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L x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 lc334: o ne pp005 probe is supplied per channel: d c to 350 m h z typical at probe tip, 500 v m ax. Lc374, lc534, lc574a, lc564, lc584, lc684 series: o ne p p 005 probe is supplied per channe...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k screen type: c olor 10-inch r aster s can c r t , 0.26 m m dot p itc h . lc684 series: 10.4” t f t -lc d resolution: 640 x 480 points display area: 170 m m x 125 m m lc684 series: 212 m m x 160 ...
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L x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 microprocessor: 96 m hz powerpc™ 603e lc584axl, lc684dxl: 192 m hz powerpc™ video memory: 1 m byte cache memory: 32 k bytes persistence data map memory: 16 bits per displayed...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k waveform memory: t his features up to four 16-bit m em ories (m 1 , m 2 , m 3 , m 4 ), w h o s e le n g th c o rre s p o n d s to th e le n g th o f th e c h a n n e l a c q u is itio n m e m o ry. Zoom an...
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L x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 remote control: g p ib and r s -232-c for all fro n t p a n e l c o n tro ls ; in te rn a l fu n c tio n s rs-232-c port: a synchronous; up to 1 1 5 .2 k b a u d fo r c o m p u te r o r te rm in a l...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k power: 90 to 132 v a c , or 180 to 250 v a c , 45 to 66 h z, a u to m a tic vo lta g e s e le c tio n , 4 0 0 w m a x . ( lc684 series: 350 w m a x .) battery backup: front panel settings m aintained for tw o years dimens...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 the available sampling rate of lecroy oscilloscopes is often higher than that required for the analyzed signal’s bandwidth. Oversampling, particularly pronounced in the l...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k resolution increase (enhancement) –3 db bandwidth (× nyquist) filter length (samples) 0.5 0.5 2 1.0 0.241 5 1.5 0.121 10 2.0 0.058 24 2.5 0.029 51 3.0 0.016 117 w ith lo w -p a s ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 w o u ld b e in c o rre c t. T h is is b e c a u s e in s o m e c irc u m s ta n c e s a n o ve rflo w m a y b e a s p ik e o f o n ly o n e o r tw o s a m p le s , a n d th e e n e rg y in th is s p ik e...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his screen show s the spectrum of a square signal before (top grid) and after (bottom grid) enhanced resolution processing. T he result clearly illustrates how the filter rejects high-frequen...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 in this exam ple the bottom trace has been significantly enhanced by a 3-bit enhanced resolution function. the original signal being highly oversampled, the resulting ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t his illustration show s the effect of enhanced resolution on a noisy signal. T he original trace (top grid) has been processed by a 2-bit enhanced resolution filter. T he result (bottom grid) show s a “sm...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 # # # the enhanced resolution function can only improve the resolution of a trace; it cannot improve the accuracy or linearity of the original quantization by the 8-bit adc. the const...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b la n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 the wp02 spectral analysis package with fft (fast fourier transform) reveals signal characteristics not visible in the time domain, and adds the power of frequency dom...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k f ig u re c – 1 s h o w s s p e c tra o f a s w e p t tria n g u la r w a ve . D is c o n tin u itie s a t th e e d g e s o f th e w a ve p ro d u c e le a k a g e , a n e ffe c t c le a rly ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 figure c–2 a n f f t o p e ra tio n o n a n n -p o in t tim e d o m a in s ig n a l m a y th u s b e c o m p a re d to p a s s in g th e s ig n a l th ro u g h a c o m b filte r c o n s is tin g o f a b a n k o f n...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k o f c h o ic e fo r s ig n a ls c o n ta in in g is o la te d p e a k s — p e rio d ic s ig n a ls , fo r in s ta n c e . T h e p o w e r d e n s ity s p e c tru m (v 2 /h z) is th e p o w e ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 if a s ig n a l c o n ta in s a fre q u e n c y c o m p o n e n t a b o ve n yq u is t, th e s p e c tru m w ill b e a lia s e d , m e a n in g th a t th e fre q u e n c ie s w ill b e fo ld e d b a c k a n d s p u...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k r e c ta n g u la r w in d o w s p ro vid e th e h ig h e s t fre q u e n c y re s o lu tio n a n d a re th u s u s e fu l fo r e s tim a tin g th e typ e o f h a rm o n ic s p re s e n t in ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 s p e c tra l p o w e r a ve ra g in g is th e te c h n iq u e to u s e w h e n yo u a re d e te rm in in g th e fre q u e n c y re s p o n s e o f p a s s ive n e tw o rk s s u c h a s filte rs . F ig u re s 3 a n...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k figure c–4 b e c a u s e o f its ve rs a tility, f f t a n a lys is h a s b e c o m e a p o p u la r a n a lys is to o l. H o w e ve r, s o m e c a re m u s t b e ta k e n w ith it. ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 select “fft” from the “math type” menu (see chapter 10 for a full description of math and waveform processing menus). Spectra displayed with a linear frequency axis running from zero to the nyqu...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h e fo llo w in g s e le c tio n s c a n b e m a d e u s in g th e “f f t re s u lt” m e n u . t h is is m e a s u re d w ith re s p e c t to a c o s in e w h o s e m a x im u m o c ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 c hosen using the “w ith w indow ” m enu, the w indow type defines the bandw idth and shape of the filter to be used in the fft processing (se e th e ta b le o n p a g e c – 1 7 fo r th e s e filte rs ’ p ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k o th e r w a ve fo rm p ro c e s s in g fu n c tio n s , s u c h a s a ve ra g in g a n d a rith m e tic , c a n b e a p p lie d to w a ve fo rm s b e fo re f f t p ro ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 o n e o f th e s e f f t -re la te d e rro r m e s s a g e s m a y b e d is p la ye d a t th e to p o f th e s c re e n . message meaning “incompatible input record type” f f t p o w ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k a summary of the algorithms used in the oscilloscope’s fft computation is given here in the form of seven steps: 1 . If th e m a x im u m n u m b e r o f p o in ts is s m a ll...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t h e e n e rg y o f th e s ig n a l a t a fre q u e n c y n is d is trib u te d e q u a lly b e tw e e n th e firs t a n d th e s e c o n d h a lve s o f th e s p e c tru m ; th e e n e rg y a t fre q u e n ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k w h e re m m in is th e m in im u m m a g n itu d e , fix e d a t a b o u t 0 .0 0 1 o f th e fu ll s c a le a t a n y g a in s e ttin g , b e lo w w h ic h th e a n g le is n o t w e ll d e...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 this section defines the terms frequently used in fft spectrum analysis and relates them to the oscilloscope. if th e in p u t s ig n a l to a s a m p lin g a c q u is itio n s ys te m c o n t...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k e q u iva le n t n o is e b a n d w id th (e n b w ) is th e b a n d w id th o f a re c ta n g u la r filte r (s a m e g a in a t th e c e n te r fre q u e n c y), e q u iva le n t to ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 in a s im p le s e n s e , th e fre q u e n c y re s o lu tio n is e q u a l to th e b in w id th Δf. T hat is, if the input signal changes its frequency by Δf, th e c o rre s p o n d in g ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k d is c re te b in fre q u e n c ie s . T h is va ria tio n o f th e s p e c tru m m a g n itu d e is c a lle d th e p ic k e t fe n c e e ffe c t (th e lo s s is c a lle d th e s c a llo p l...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t h e fo llo w in g ta b le lis ts th e c o e ffic ie n ts a m . T h e w in d o w fu n c tio n s s e e n in th e tim e d o m a in a re s ym m e tric a ro u n d th e p o in t k = n /2 . ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b l a n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 in this appendix, a general explanation of how the instrument’s standard parameters are computed is followed by a table that defines and describes those parameters (page...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k o n c e to p a n d b a s e a re e s tim a te d , c a lc u la tio n o f th e ris e a n d fa ll tim e s is e a s ily d o n e (f ig .1 ). T h e 9 0 % a n d 1 0 % th re s h o ld le ve ls a re a u t...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 figure d–2 t o a vo id th e s e b ia s e ffe c ts , th e in s tru m e n t u s e s c yc lic p a ra m e te rs , in c lu d in g c rm s a n d c m e a n , th a t re...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k figure d–3 m o re o ve r, a h ys te re s is ra n g e m a y b e s p e c ifie d to ig n o re a n y s p u rio u s tra n s itio n th a t d o e s n o t e x c e e d th e b o u n d a rie s o f th e h ys te re s is in te rva l. I...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 a m p l a m p litu d e : m e a s u re s th e d iffe re n c e b e tw e e n th e u p p e r a n d lo w e r le ve ls in tw o -le ve l s i...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k c s d e v c yc lic s ta n d a rd d e via tio n : s ta n d a rd d e via tio n o f d a ta va lu e s fro m th e m e a n va lu e o ve r a n in te g ra l n u...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 dur f o r s in g le s w e e p w a ve fo rm s , d u r is 0 . F o r s e q u e n c e w a ve fo rm s : tim e fro m firs t to la s t s e g...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k first in d ic a te s th e va lu e o f th e h o rizo n ta l a xis a t th e le ft c u rs o r. H o rizo n ta l a xis va lu e a t le ft c u rs o r (s e e f ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 median t h e a ve ra g e o f b a s e a n d to p va lu e s . A ve ra g e o f b a s e a n d to p (s e e f ig . D – 2 ) minimum m e a s ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k r20–80% r is e 2 0 % to 8 0 % : t h e d u ra tio n o f th e p u ls e w a ve fo rm ’s ris in g tra n s itio n fro m 2 0 % to 8 0 % , a ve ra g e d fo r ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 rms r o o t m e a n s q u a re o f d a ta b e tw e e n th e c u rs o rs — a b o u t th e s a m e a s s d e v fo r a ze ro -m e a n w...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k b la n k p a g e.
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 the ascii waveform storage feature allows waveforms to be saved to a mass-memory device in any of three ascii formats: spreadsheet, mathcad, and matlab. Each format is tailo...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k this example was created using microsoft excel for windows. A waveform stored in spreadsheet format may be read into microsoft excel using the file -> open window: e xcel w ill now ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t he next step allow s the specific delim iter to be specified. T he s preadsheet form at generated by the instrum ent uses a com m a (,) to delim it colum ns. E nsure that this is selected..
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t h e th ird a n d fin a l s te p a llo w s th e fo rm a t o f th e c o lu m n s to b e s p e c ifie d . T h e ‘g e n e ra l’ fo rm a t fo r e a c h c o lu m n s h o u ld b e u s e d (th is is th e d e fa u lt)..
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 a fter you click the finish button, a display sim ilar to that follow ing should appear..
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k .
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 p lotting the data from a w aveform requires the use of a scatter plot based on the data in the first tw o colum ns, w ith the first colum n used as the x values (from r ow 6 in this...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t he header created for the s preadsheet form at contains all the inform ation required to extract various elem ents of a sequence w aveform . T he follow ing form ulas m ay be used to extract inform ation such as the sta...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 these examples were created using mathsoft’s mathcad for windows. On this page, the procedure for reading and graphing a file for a single segment is shown. The example on page e–10 is for...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k t he follow ing m athc ad exam ple dem onstrates how to extract data from a given segm ent. T he data used for this exam ple consisted of tw o segm ents of three sam ples each, allow ing the entire ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 t his exam ple w as created using m athw orks’ m a t la b v ersion 4.2c.1 for w indow s. R eading and graphing a w aveform in m a t la b m ay be achieved w ith tw o sim ple com m ands, as ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k format fields in bold type are constants that are present in the output file, as shown. Fields in italic are variables that are filled in when the file is written. , ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 multi-segment example lecroylc584al,lc58412345 segments,3,segmentsize,502 segment,trig time,timesincefirstsegment #1,21 mar 1990 9:37:08,0.0 #2,21 mar 1990 9:37:13,5.0 #3,21 mar 1990 9:37:15,7.0 time,a...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k format segment timesincefirstsegment 1 0 .0 ... ... N u m s e g )> time ampl ampl1 [ ] [ ] ... ... [ ] single-segment example “lecroylc584al,lc58412345” “23-march-90,12:44:23” 1 502 segment timesincefirstsegment...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 multi-segment example “lecroylc584al,lc58412345” “23-march-90,12:44:23” 3 502 segment timesincefirstsegment 1 0.0 2 5.0 3 7.0 time ampl 0.0 1 0.1 2 ..... 0.0 1.1 0.1 2.1 ..... 0.0 1.05 0.1 2.05 ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k format y (0 ) y (1 ) ... Y (n u m s e g *n u m p ts ) s ingle-s egm ent e xam ple 1.0 1.1 1.2 ... 4.5 # # # the matlab format is simple, without header information and having amplitude values only. ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 ac, 3-2, 8-5, c-15 acquisition mem ory, c-4 in c re a s in g it b y c o m b in in g c h a n n e ls , 2 -1 , 7 -5 acquisition modes, 6-1, 7-6, a-4 acquisition sum m ary, 5-3, 6-3, 16-1 acquisition sum m ary field, 4-9 adap...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k chassis term inal, 3-2 c ircuit failures te s tin g fo r u s in g e xc lu s io n t rig g e r, 8 -1 1 cleaning and maintenance, 3-3 clear inactive m enu, 16-5 clear sw eeps, 4-6, 10-3, 10-4, 10-14, 11-14, 14-8, 14-9, 14-10 c...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 dc accuracy, a-3 dc level, 12-23 dc o ffset c o m p e n s a tin g fo r, 1 0 -1 5 deadtim e re d u c in g it u s in g s e q u e n c e m o d e , 7 -3 decim ation in f f t , 1 0 -2 0 delay, d-6 delay, 6-3 delay by, 10-16 de...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k external clock, 7-8, 7-9, a-5 e xternal r eference, a-5 extrem a, 10-3, 10-12, 11-3, a-9 fall, d-2 fall 80–20 % , d-7 fall at level, d-7 fall tim e, 14-9, d -2, d -7 falling edge, 14-13 fft (fast fourier transform ), 10-1...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 g rid color, 11-21 g rid intensity, 11-13 g rids, 11-7, 11-8, 11-9, 11-11, 11-13, 11-14, 11-16, 11-18, a-8 g round, 3-2, 3-3 g round and trace level m arkers, 4-9 hard disk, 12-7, 12-10, 12-14, 12-15, 13-1, 13-2, 13-5,...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k measurem ent g ate highlighting, 11-4, 11-21 median, d-9 m edium -to-h igh-frequency triggering, 8-5 mem ories, 2-1, 13-1, 13-4, 13-5, 15-1, 15-2, a-10 mem ory, a-2, a-3, a-9, c-4, c-12 mem ory card, 12-7, 12-10, 12-15, 13-...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 param eter display, 11-10 param eter sym bols, 14-6, 14-7 param eters, 10-3, 14-6, 14-8, 14-9, 14-10, 14-11, 14-12, 14-13, 14-14, 14-15, 14-16, 14-17, 14-18, 14-19, 14-20, 14-22, a-10, d-1, d-5, d-6, d-7, d-8, d-9, d-10,...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k real-tim e display s e e r o ll m o d e , 7 -3 recall w ’fo rm, 4-5, 13-4, 13-5 recall/save, 15-1 recalling setups, 15-2, 15-3 record, 7-8 record length m a xim is in g it, c -8 r ecord up to, 7-7, 7-8 reducing noise, 10-3,...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 segm ents, 6-1, 6-2, 7-3, 7-8, 7-9, 7-10, 10-3, e-8, e-10 s e le c t a b c d , 9-1 select channel, 5-1 self-test, 3-3 sensitivity, a-1 sequence, 7-10 sequence mode, 7-3, 7-7, 7-8, 7-9, 10-3, 10-6, 12-19, a-4 a u t o , 6 ...
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is s u e d : d e c e m b e r 1 9 9 9 l c x x x -o m -e r e v k tim e, 8-21, 8-23 in d is p la y, 1 1 -7 t rig g e r h o ld -o ff b y, 8 -3 4 tim e and frequency field, 4-9 tim e at level, d-11 tim e intervals, d-2 tim e param eter m easurem ents, d-2 tim e resolution im p ro vin g it ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 f ile t ra n s fe rs , 1 2 -1 0 f lo p p y d is k , 1 2 -7 , 1 2 -1 2 , 1 2 -1 3 g p ib p o rt, 1 2 -5 h a rd d is k , 1 2 -7 , 1 2 -1 4 h a rd c o p y s e tu p , 1 2 -2 , 1 2 -3 m a s s s to ra g e , 1 2 -1 , 1 2 -7 , ...
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L c x x x -o m -e r e v k is s u e d : d e ce m b e r 1 9 9 9 argentina: search sa 54-11-4775-8544 australia: philips test and measurem ent 2 9888 8222 austria: dewetron g m bh 0316 3070 benelux: lecroy ltd. 1 235 524 288 brazil: atp/hi-tek electronica ltda 11 725 58...