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Anritsu MP1763C Operation Manual

Manual is about: Anritsu Pulse Pattern Generator Operation Manual

Summary of MP1763C

  • Page 1

    Document no.: m-w1848ae-9.0 anritsu corporation mp1763c pulse pattern generator operation manual (function/operation) for safety and warning information, please read this manual before attempting to use the equipment. Keep this manual with the equipment. Ninth edition.

  • Page 2: Danger

    Ii safety symbols to prevent the risk of personal injury or loss related to equipment malfunction, anritsu corporation uses the following safety symbols to indicate safety-related information. Ensure that you clearly understand the meanings of the symbols before using the equipment. Some or all of t...

  • Page 3: Warning

    For safety iii warning 1. Always refer to the operation manual when working near locations at which the alert mark shown on the left is attached. If the advice in the operation manual is not followed there is a risk of personal injury or reduced equipment performance. The alert mark shown on the lef...

  • Page 4: Warning

    For safety iv warning 4. This equipment cannot be repaired by the operator. Do not attempt to remove the equipment covers or unit covers or to disassemble internal components. Only qualified service personnel with a knowledge of electrical fire and shock hazards should service this equipment. There ...

  • Page 5: Caution

    For safety v caution 1. Always remove the mains power cable from the power outlet before replacing blown fuses. There is a risk of electric shock if fuses are replaced with the power cable connected. Always use new fuses of the type and rating specified on the rear panel of the instrument. There is ...

  • Page 6: Caution

    For safety vi caution this equipment uses a poly-carbomonofluoride lithium battery to backup the memory. This battery must be replaced by service personnel when it has reached the end of its useful life; contact the anritsu sales section or your nearest representative. Note: the battery used in this...

  • Page 7: Equipment Certificate

    Vii equipment certificate anritsu corporation certifies that this equipment was tested before shipment using calibrated measuring instruments with direct traceability to public testing organizations recognized by national research laboratories, including the national institute of advanced industrial...

  • Page 8

    Viii notes on export management this product and its manuals may require an export license/approval by the government of the product's country of origin for re-export from your country. Before re-exporting the product or manuals, please contact us to confirm whether they are export-controlled items ...

  • Page 9

    Ix crossed-out wheeled bin symbol equipment marked with the crossed-out wheeled bin symbol complies with council directive 2002/96/ec (the “weee directive”) in european union. For products placed on the eu market after august 13, 2005, please contact your local anritsu representative at the end of t...

  • Page 10: Ce Conformity Marking

    X ce conformity marking anritsu affixes the ce conformity marking on the following product(s) in accordance with the council directive 93/68/eec to indicate that they conform to the emc and lvd directive of the european union (eu). Ce marking 1. Product model model: mp1763c pulse pattern generator 2...

  • Page 11: C-Tick Conformity Marking

    Xi c-tick conformity marking anritsu affixes the c-tick marking on the following product(s) in accordance with the regulation to indicate that they conform to the emc framework of australia/new zealand. C-tick marking 1. Product model model: mp1763c pulse pattern generator 2. Applied standards emc: ...

  • Page 12: Power Line Fuse Protection

    Xii power line fuse protection for safety, anritsu products have either one or two fuses in the ac power lines as requested by the customer when ordering. Single fuse: a fuse is inserted in one of the ac power lines. Double fuse: a fuse is inserted in each of the ac power lines. Example 1: an exampl...

  • Page 13

    I composition of mp1763c operation manuals the mp1763c pulse pattern generator operation manuals are composed of the follow- ing two documents. Use them properly according to the usage purpose. Composition of mp1763c operation manuals gpib programming function and operation part function and operati...

  • Page 14: Title of Contents

    Ii title of contents for safety ....................................................................................................................... Iii section 1 general ................................................................................................... 1-1 1.1 features ............

  • Page 15

    Iii 4.4.1 file save ........................................................................................................... 4-23 4.4.2 file recall ......................................................................................................... 4-24 4.4.3 disk formatting ...................

  • Page 16

    Iv..

  • Page 17: Section 1

    1-1 section 1 general 1.1 features the mp1763c pulse pattern generator has two data output channels (data and data) and three clock output channels (clock1, clock1, clock2). The mp1763c is used with the mp1764a/c error detector to test high-speed digital communication systems and high-speed semicond...

  • Page 18

    1-2 section 1 general 1.2 specifications operation frequency range internal clock (option 01) 0.05 to 12.5 ghz pattern generation prbs continuous 0 pattern can be inserted up to pattern length -1. Patterns : 2 , 2 , 2 , 2 data 2 to 8388608 bits 2 65536 : step 1 bit 65536 131072 : step 2 bits 131072 ...

  • Page 19

    1-3 1.2 specifications clock1/clock1, clock2 3 systems error insertion error ratio 1 × 10 (n = 4 , 5, 6, 7 , 8 , 9) insertion position insertion possible at any one of 32 channels (rear panel swith) error insertion by rising edge of external signal input insertion position insertion possible at any ...

  • Page 20

    1-4 section 1 general 20 ps or less (p-p) 15 % or less, or 150 mv or less, whichever is larger. (0-peak) 50 Ω (with back termination) apc-3.5 nrz data, data 2 systems independence 0.25 to 2.0 vp-p/step 2 mv setting error: ±15 % or ±100 mv, whichever is larger –2.0 to 2.0 v (v ) /step 1 mv setting er...

  • Page 21

    1-5 1.2 specifications 1/8 output 8 data outputs, 1 clock output 300 ps or less (20-80 %) 100 ps or less (p-p) waveform distortion 15 % or less skew 150 ps or less (relative to falling edge of 1/8 clock) output bit rate 1/8 of fundamental frequency 50 Ω sma alternate pattern a/b switching input altn...

  • Page 22

    1-6 section 1 general error disable input error on/off controlled by external input signal error rate can be selected over this range input level 0/-1 v 50 Ω external gating input output data control by external signal data output input level 50 Ω parameter memory medium 3.5 inch fd, 2hd, 2dd by 3 m...

  • Page 23

    1-7 1.2 specifications option-01 name internal synthesizer frequency range 0.05 to 12.5 ghz output level 0.5 to 2.3 vp-p resolution 1 khz/1 mhz (switchable) frequency accuracy 1ppm ( ∗ when synchronized with external signal, accuracy is determined by external signal.) reference signal 10 mhz (intern...

  • Page 24

    1-8 section 1 general 1.3 composition the standard composition of the mp1763c pulse pattern generator is shown in table 1.3-1. Table 1.3-1 mp1763c standard composition item no. Name qty remarks main unit mp1763c pulse pattern generator 1 options mp1763c-01 internal synthesizer (1) mp1763c-03 1/4 spe...

  • Page 25: Section 2

    2-1 section 2 preparations 2.1 environmental conditions of installation site do not use and store the instrument in the following locations: • where vibrations are severe. • where it is damp or dusty. • where there is exposure to direct sunlight. • where there is exposure to active gases. Long-term ...

  • Page 26: Caution

    2-2 section 2 preparations 2.3 power connection this section describes the procedures for supplying power. 2.3.1 power requirements for normal operation of the instrument, observe the power voltage range described below. Voltage range frequency 85 to 132 v 47.5 to 63 hz 170 to 264 v 47.5 to 63 hz ch...

  • Page 27

    2-3 2.4 damage prevention measures • do not apply an excessive voltage when inputting the signal to this instrument. The circuits may be destroyed. • terminate the output with 50 Ω. Do not feed current to the output. The load must be a 50 Ω pure resistor terminated at ground potential. • before conn...

  • Page 28

    2-4 section 2 preparations ..

  • Page 29: Section 3

    3-1 section 3 description of panels and connectors.

  • Page 30

    N n single display ! Pulse pattern generator mp1763c 0.05 - 12.5ghz internal clock (option.01) pattern memory tuning resolution frequency mhz kmz output exist dir file no. Recall delete save resave shift patt others mode logic pattern prbs / zero subst prbs mark ratio 2 - 1 2 pos neg altndata z.S pr...

  • Page 31

    3-3 3.1 front panel 1 2 3 4 5 power switch when , the power is turned on and the led goes on. When , the power is turned off. Local key switches from the gpib remote mode (led lit) to the local (key operation possible) mode. In gpib remote mode, all the keys other than the power switch and local key...

  • Page 32

    ! ! Nameplate ∼line input 47.5 - 63hz 400va max 1/8 speed ( ecl to - 2v ) error clock data output gating disable injection output 1 2 3 4 input input input 50Ω 50Ω 50Ω 50Ω 50Ω 0/-1v 50Ω 0/-1v 50Ω alternate a/b timing 5 6 7 8 input output 50Ω 50Ω 50Ω 50Ω ecl 50Ω std 10mhz buffer input output ttl ext ...

  • Page 33

    3-5 3.2 rear panel 10 11 12 13 14 15 16 gpib address dip switch sets the address when the instrument is remotely controlled by gpib. It is usually set to . System control switch when this switch is set to ' on ' , this instrument control other one. Gpib connector connector for gpib cable. (the cable...

  • Page 34

    3-6 section 3 description of panels and connectors ..

  • Page 35: Section 4

    4-1 section 4 operating instructions 4.1 internal clock generator frequency setting (option 01) this section sets the frequency of the internal clock generator when the clock generator (option 01) is used. Tuning on/off the frequency can be changed only when the tuning lamp is lit. Resolution used w...

  • Page 36: Caution

    4-2 section 4 operating instructions ① press the tuning key. The tuning lamp lights. (the frequency can be changed only when the tuning lamp is lit.) at this time, the figure of the digit that can cur- rently be changed blinks. ② press the resolution key and select whether the fre- quency is to be s...

  • Page 37

    4-3 4.2 generation pattern setting logic inverts the output pattern logic. Pattern selects the output pattern type. Prbs/zero sub selects the kind of pseudorandom pattern. (if zero sub is selected, the 2 n pattern is selected.) mark ratio selects the output pattern (pseudorandom pattern) mark ratio....

  • Page 38

    4-4 section 4 operating instructions 4.2.1 logic modification ① the logic of the set pattern is changed in positive → nega- tive → positive order each time the logic key is pressed. (the set logic is indicated by lighting of a lamp.) 4.2.2 alternate pattern setting ① select altn with the keys. (data...

  • Page 39

    4-5 change the bit value with the button below the led. When logic is positive, lighting of the led indicates high level. Used the preset all or page key when changing data collectively. Page 0 or 1 all bits of the displayed page are set to 0 or 1. All 0 or 1 pressing this key while holding down the...

  • Page 40

    4-6 section 4 operating instructions 4.2.3 data pattern setting ① select data with the keys. ② set data length with the and keys. Select the digit to be set with the keys. Set data length with the keys. Data length setting steps 2 to 65526: step 1 bit 65536 to 131012: step 2 bits see section 1.2, “f...

  • Page 41

    4-7 4.2.4 zero substitution ① select z.S. With the keys. ② set the 2 n pattern with the keys. (this prbs is a pseudo pattern with a period of 2 n .) ③ set the zero substitution bit length. The pattern of bit length logic ø set here is substituted. See below for the substitution method. Setting: 1 to...

  • Page 42

    4-8 section 4 operating instructions 4.2.5 pseudo random pattern setting ① select prbs with the keys. ② set the number of prbs steps with the keys. ③ set the prbs mark ratio with the keys. When logic is positive, select the mark ratio from the top row (0/8, 1/8, 1/4, 1/2). When logic is negative, se...

  • Page 43

    4-9 4.2.6 error addition ① press the key. The led in the key lights. ② select the error addition rate with the keys. To add a single error, select the right of the led using the key. At this time, the led does not go on. ③ the single error adds one error each time the key is pressed. The led blinks ...

  • Page 44

    4-10 section 4 operating instructions 4.2.7 tracking ① when the key is pressed, the led inside the key lights and the instrument enters the tracking mode. ＊ when tracking, the mp1763c must be connected to an mp1764a/c by a gpib. When the pattern loading lamp lights, the data is read and the keys are...

  • Page 45

    4-11 4.2.8 pattern sync. Position select the sync output. When variable position is selected, set the sync out position as described in the following. 1/64 clock, fixed position, or variable position can be selected. 1/64 clock: 1/1 clock is divided by 64. Fixed position: the sync pulse output fixed...

  • Page 46

    4-12 section 4 operating instructions when the prbs data output is monitored on a sampling oscilloscope using each synchronization output, the following waveforms are shown: 1) 1/64 clock shown as an eye pattern. 2) fixed posn shown as a 0 and 1 waveform. And var posn ＊ at var posn, the synchronizat...

  • Page 47

    4-13 4.3 output interface termination conditions setting (data side) data/data displaying switching and data/data tracking amplitude (data side) offset (data side) output on/off offset display standard setting 1/1 speed / 1/4 speed display switching clock delay termination conditions setting (clock ...

  • Page 48

    4-14 section 4 operating instructions 4.3.1 dummy terminal voltage switching when only one of the clock 1 and clock 1 complemen- tary outputs is used, use the attached semirigid cable (10 cm) to connect the unused side to the dummy terminal. If the termination condition of the side used is 50 Ω, and...

  • Page 49

    4-15 4.3.2 amplitude, offset, and delay setting ① when you want to set front panel data/data output and clock 1/clock 1 output, switch to 1/1 speed. When you want to set rear panel 1/4 speed output (option), switch to 1/4 speed. ② switches whether the data output or data output is set. When data/dat...

  • Page 50

    4-16 section 4 operating instructions ＊ when the setting of ④ is changed, the actual waveform and output do not change. Only the displayed value changes (see the figure below). Amplitude 1 vp-p offseet 2 v oh if v oh is changed to v th : amplitude 1 vp-p offseet 1.5 v th if v oh is changed to v ol :...

  • Page 51: Caution

    4-17 ⑥ set the output to on. Note 1: when output was turned off, the actual data, data, clock 1, clock 1, 1/4 data, and 1/4 clock output amplitude becomes 0vp-p, and the offset becomes 0v. Note 2: since the output circuit is not opened even when the output is turned off, do not apply an external vol...

  • Page 52

    4-18 section 4 operating instructions 4.3.5 offset voltage setting range fig. 4.3.5-1 offset reference value and amplitude change note: since the offset-voltage upper and lower limit values are limited by v oh (-2.0 v ≦ v oh ≦ +2.0 v), when v th or v ol are set, the amplitude is limited at a certain...

  • Page 53

    4-19 2.0 1.5 1.0 0.5 0.25 -4.0 -3.0 -2.0 -1.0 0 1.0 2.0 3.0 offset (v) amplitude(v) • offset reference: v oh fig. 4.3.5-2 amplitude and offset voltage setting range corresponding to offset reference value.

  • Page 54

    4-20 section 4 operating instructions • offset reference: v th fig. 4.3.5-3 amplitude and offset voltage setting range corresponding to offset reference value 2.0 1.5 1.0 0.5 0.25 -4.0 -3.0 -2.0 -1.0 0 1.0 2.0 3.0 offset (v) amplitude(v) -2.125 1.875.

  • Page 55

    4-21 • offset reference: v ol fig. 4.3.5-4 amplitude and offset voltage setting range corresponding to offset reference value 2.0 1.5 1.0 0.5 0.25 -4.0 -3.0 -2.0 -1.0 0 1.0 2.0 3.0 offset (v) amplitude(v) -2.25 1.75 4.3 output interface.

  • Page 56

    4-22 section 4 operating instructions 4.4 memory (floppy disk) file no. Selection file control mode selection eject memory exist dir file no. Recall delete save resave shift patt others mode 1 2 3 4 1 2 3 4.

  • Page 57

    4-23 4.4.1 file save ① insert a formatted floppy disk (2hd, 2dd) into the floppy disk drive. (for a description of how to format a floppy disk, see section 4.4.3 “disk formatting”.) ② select the patt or others mode. Patt mode: the contents set at section 4.2 are saved. Others mode: contents other th...

  • Page 58

    4-24 section 4 operating instructions 4.4.2 file recall ① insert the floppy disk into the floppy disk drive and select the dir mode. If the floppy disk is changed, always ex- ecute a dir command. ② check whither there is a file on the disk by pressing the keys. If there is a file on the disk, only t...

  • Page 59

    4-25 4.4.4 file deletion ① insert the floppy disk into the floppy disk drive and select the file name to be deleted. ② press the shift key. ③ delete the file with the displayed file name by pressing the delete key. ⑤ (verification) execute a dir command. ⑤ verify that the file name deleted is not di...

  • Page 60

    4-26 section 4 operating instructions 4.4.6 floppy disk (a) disk type the floppy disk is formatted in standard ms-dos format provided by the ms-dos file handler. The formatted floppy disk is data disk type. This is because the ms-dos file handler does not copy the ms-dos system. A system disk contai...

  • Page 61

    4-27 item frequency tuning memory pattern logic err addition offset data term data amplitude data offset clock term clock amplitude clock offset clock delay output display initial setting 12, 500 mhz on 00 (ptn mode, file no. Mode) prbs 2 15 - 1, mark ratio 1/2 pos off voh gnd 1.0 vp-p 0v gnd 1.0 vp...

  • Page 62

    4-28 section 4 operating instructions 1 and bit shift count for the mark ratio 2 external error injection 3 floppy disk format type 4 alternate pattern a/b switching timing sw6 sw5 bit shift number for alternate a/b 0 0 : 0 bit 5, 6 select timing 0 1 : 1 bit 1 0 : 2 bit 1 1 : 3 bit 4.6 functions of ...

  • Page 63: Section 5

    5-1 section 5 principles of operation 5.1 pseudorandom pattern (prbs pattern) the principle of pseudorandom pattern generation is shown in table 5.1-1. The pseudorandom pattern is represented by the nth-order generation polynomial shown in table 5.1-1. One period is 2 n -1. A prbs pattern with a 2 n...

  • Page 64

    5-2 section 5 principles of operation fig. 5.1-1 mark ratio 1/4, 1/8 pattern generator fig. 5.1-2 example of pseudorandom pattern 1 2 3 4 5 6 1/2 mark ratio 1/4 (1 bit shift) 1/8 (1 bit shift) 1/4 (3 bits shift) 1/8 (3 bits shift) shift register prbs pattern generator (see table 5.1-1) data1 data2 d...

  • Page 65

    5-3 5.2 pattern synchronized output period 1 (set frequency) 1 (set frequency) 5.2 pattern synchronized output period 5.2.1 pseudorandom pattern period = × (2 n -1) × 128 n=7, 9, 11, 15, 20, 23, 31 (where pulse width = × 64, plus pulse) 5.2.2 programmable pattern (1) data pattern, alternate pattern ...

  • Page 66

    5-4 section 5 principles of operation . 5.3 bit shift for alternate a/b select timing a timing between alternate pattern a/b select signal and data output can be selected using the dip switch on the rear of the instrument, and its selection step is one 128th of setting frequency. Data output 0 bit s...

  • Page 67: Section 6

    6-1 section 6 performance test 6.1 test equipment • error detector (12.5 ghz or more measurement possible) • sampling oscilloscope (bandwidth 50 ghz or more) • clock generator (capable of covering the 0.05 to 12.5 ghz range) * no need when option 01 is installed. 6.2 error measurement setup (1) erro...

  • Page 68

    6-2 section 6 performance test 6.3 test method connect the mp1763c data and clock1 connectors to the error detector as shown in 6.2-(1). Set error free at the setting shown below. Pattern logic pos prbs 2 31 -1 mark ratio 1/2 output data amplitude 0.5 vp-p offset 0 vp-p clock amplitude 0.5 vp-p offs...

  • Page 69

    6-3 6.5 check items check the 1/8 speed output with the connection shown at the below. Pattern logic pos prbs 2 31 -1 mark ratio 1/2 check all the outputs with the connections data1 → data2 → - - - → data8. Fig. 6.3-2 connection of rear panel 6.4 waveform check connect the mp1763c and sampling oscil...

  • Page 70

    6-4 section 6 performance test ..

  • Page 71: Section 7

    7-1 section 7 maintenance 7.1 daily maintenance • wipe external dirt with a cloth soaked in a diluted neutral detergent. • remove dust or specks by using a vacuum cleaner. • periodically clean the fdd head by using a 3.5-inch head-cleaning disk. • if any loosened screws for attached parts are found,...

  • Page 72

    7-2 section 7 maintenance . 7.4 calibration calibration of this unit should not be performed by other than anritsu corporation. We recommend yearly routine calibra- tion to maintain performance. 7.5 disposal this equipment uses chemical compound semiconductors including arsenic and a fluoridated gra...

  • Page 73: Section 8

    8-1 section 8 troubleshooting and repair 8.1 before considering trouble if the instrument is not operating properly for some reason, check it as follows: • power is not turned on is the power cord loose ? → plug in firmly. ↓ is the fuse blown ? → replace the fuse. • synchronization is not establishe...

  • Page 74

    8-2 section 8 troubleshooting and repair . • floppy disk drive is not used. Is the floppy disk normal ? → use the normal floppy disk. ↓ is the head of floppy disk drive dusty ? → clean head of floppy disk drive with 3.5 inch head cleaning disk set. If the problem cannot be found from the above check...

  • Page 75: Appendix A

    A-1 appendix a performance test report sheet name : mp1763c pulse pattern generator serial no. : ambient temperature : ˚c relative humidity : % • output test conditions criteria results for data and clock1 50 mhz error-free for each: amplitude: 0.25, 2.0 vp-p offset: –2, 0, +2 v oh mark ratio: 1/2, ...

  • Page 76

    A-2 appendix a performance test report sheet ......

  • Page 77: Index

    Index-1 index cross point adjust ----------------------------------- 4-17 duty adjust ------------------------------------------- 4-17 tracking ---------------------------------------------- 4-10 error insertion --------------------------------------- 4-9 alternate pattern --------------------------...

  • Page 78

    Index-2 index ......