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  5. Operation And Installation Manual

Xicom XTU-400K Operation And Installation Manual

Summary of XTU-400K

  • Page 1

    Xtu-400k operation and installation manual this is a controlled document. The official version of this document is located in xicom technology document control. Printed copies are for reference only. 3550 bassett street santa clara, ca 95054 usa 408-213-3000 phone •408-213-3001 fax www.Xicomtech.Com...

  • Page 2: Tio

    Document number: mn5-0184-104 date: february 2007 revision: d x t u -4 0 0 k o p e ra tio n a n d in s ta lla tio n m a n u a l.

  • Page 3

    Xtu-400k operation and installation manual this is a controlled document. The official version of this document is located in xicom technology document control. Printed copies are for reference only. 3550 bassett street santa clara, ca 95054 usa 408-213-3000 phone •408-213-3001 fax www.Xicomtech.Com...

  • Page 4

    Mn5-0184-104 ii revision d notice copyright 2003 — 2007 this document contains proprietary information that is protected by copyright. All rights are reserved. The information in this document is subject to change without notice. Please contact xicom technology for current technical specifications. ...

  • Page 5

    Mn5-0184-104 iii revision d xtu-400k operation and installation manual about this manual this manual provides operators and technicians with a set of tools for operating and maintaining the outdoor unit family of xicom power amplifiers. This prefix contains a table of contents that applies to the en...

  • Page 6

    Mn5-0184-104 iv revision d xtu-400k operation and installation manual who should use this manual this manual is designed for use by trained operators and technicians who have a thorough knowledge of satellite transmitting and receiving equipment. Persons using this manual should familiarize themselv...

  • Page 7: Record of Changes

    Mn5-0184-104 v revision d xtu-400k operation and installation manual record of changes electronic approval. See plm. Revision eco description date initiated by a 9849 original release 05/29/2002 alcjr b 10125 replace mnc-0500-013 with mnc-0000-015 08/07/2002 alcjr c 11383 update interconnect drawing...

  • Page 8: Table of Contents

    Mn5-0184-104 vi revision d xtu-400k operation and installation manual table of contents paragraph title page number list of abbreviations, acronyms, and ce symbols mnc-0000-010 chapter 1 overview mnc-0100-003 chapter 2 safety mnc-0200-001 chapter 3 unpacking and installation mnc-0300-003 chapter 4 o...

  • Page 9: Record of Changes

    Mnc-0000-010 1 of 10 revision a7 list of abbreviations, acronyms, and ce symbols list of abbreviations, acronyms, and ce symbols record of changes electronic approval. See plm. Revision eco description date initiated by a 9735 original release 04/17/2002 a.L. Crozier, jr. A1 10179 add numerous abbre...

  • Page 10

    Mnc-0000-010 2 of 10 revision a7.

  • Page 11

    Mnc-0000-010 3 of 10 revision a7 list of abbreviations, acronyms, and ce symbols list of abbreviations, acronyms, and ce symbols references the following documents are used as reference material for this chapter: • international standard iso-7000: 1989. Graphical symbols for use on equipment — index...

  • Page 12

    Mnc-0000-010 4 of 10 revision a7 list of abbreviations, acronyms, and ce symbols bdelim band elimination bit binary digit bmw beamwidth btry battery buc block upconverter buz buzzer bw bandwidth °c degree celsius cal calibration cate computer aided test equipment cb component board cctwt coupled cav...

  • Page 13

    Mnc-0000-010 5 of 10 revision a7 list of abbreviations, acronyms, and ce symbols ew helix voltage °f degree fahrenheit f farad fat first article test fet field-effect transistor fgipa fixed gain intermediate power amplifier freq frequency ftd filament time delay (twta, kpa) g giga (one billion) ghz ...

  • Page 14

    Mnc-0000-010 6 of 10 revision a7 list of abbreviations, acronyms, and ce symbols lda line driver amplifier led light emitting diode lo local oscillator lpa low power amplifier m mega (million) m&c monitor and control ma milli ampere msdc multistage depressed collector mhz mega hertz miprcs microproc...

  • Page 15

    Mnc-0000-010 7 of 10 revision a7 list of abbreviations, acronyms, and ce symbols ru in a standard 19-inch rack, a set of four mounting holes spaced as follows: .625 inches between holes 1, 2, and 3. .5 inches between holes three and four. Ru = 1.75 inches. Rxd received data slin linearizer with an i...

  • Page 16

    Mnc-0000-010 8 of 10 revision a7 list of abbreviations, acronyms, and ce symbols xmit transmit xt xicom technology analog outdoor amplifier xtc xicom technology controller xtd xicom technology digital outdoor amplifier xtk xicom technology klystron amplifier xtkd xicom technology klystron amplifier ...

  • Page 17

    Mnc-0000-010 9 of 10 revision a7 list of abbreviations, acronyms, and ce symbols ce symbols symbol definition alternating current (ac) ce marking symbol for equipment and documentation meeting european quality standards. Earth ground fuse input local off for a part of equipment on for a part of equi...

  • Page 18

    Mnc-0000-010 10 of 10 revision a7 list of abbreviations, acronyms, and ce symbols output power off power on protective earth ground remote reset transmitted power monitor symbol definition.

  • Page 19: Overview, Digital Odu Hpas

    Overview, digital odu hpas mnc-0100-003 1 revision c overview, digital odu hpas record of changes revision eco description date initiated by a 9295 original release 11/29/2001 a.L. Crozier, jr. B 10359 update contacting xicom technology paragraph 10/14/2002 a.L. Crozier, jr. C 11301 update to reflec...

  • Page 20: Table of Contents

    Mnc-0100-003 2 revision c overview, digital odu hpas table of contents paragraph title page number overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 product overview . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 21: Overview, Digital Odu Hpas

    Mnc-0100-003 3 revision c overview, digital odu hpas overview, digital odu hpas product overview this manual is for the xicom technology odu (outdoor unit) power amplifier with microprocessor control. The odu may be mounted on an antenna or other outdoor location without the need for an additional w...

  • Page 22

    Mnc-0100-003 4 revision c overview, digital odu hpas figure 1, typical odu antenna mount amplifier block diagram.

  • Page 23

    Mnc-0100-003 5 revision c overview, digital odu hpas physical characteristics refer to appendix titled mechanical drawings for the physical characteristic specifications of your amplifier. The xicom odus are air cooled where the outside cooling air does not pass through the microwave tube and power ...

  • Page 24

    Mnc-0100-003 6 revision c overview, digital odu hpas contacting xicom technology assistance if you need to contact xicom technology for assistance with your product you may use one of the following: address: xicom technology 3550 bassett street santa clara, ca 95054 usa telephone: 408-213-3000 facsi...

  • Page 25: Safety/sicherheit

    Safety/sicherheit mnc-0200-001 1 of 14 revision e safety/sicherheit record of changes revision eco description date initiated by 1 preliminary release 08/2001 a.L. Crozier, jr. 2 format changes 08/2001 a.L. Crozier, jr. 3 format change—table of contents, list of figures, list of tables 09/2001 a.L. ...

  • Page 26: Table of Contents

    Mnc-0200-001 2 of 14 revision e safety/sicherheit table of contents paragraph title page number safety/sicherheit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 general information . . . . . . . . . . . . . . . . . . . ....

  • Page 27: Safety/sicherheit

    Safety/sicherheit mnc-0200-001 3 of 14 revision e safety/sicherheit general information this chapter identifies the safety requirements to be applied when performing any of the procedures specified in this manual. It is the responsibility of the user to follow all applicable safety regulations when ...

  • Page 28

    Safety/sicherheit mnc-0200-001 4 of 14 revision e warning — a procedure, technique, restriction, etc., if not followed exactly, could result in injury or death to personnel. Warning this symbol denotes an electrical shock hazard warning in a procedural step and is used whenever death or injury to pe...

  • Page 29

    Safety/sicherheit mnc-0200-001 5 of 14 revision e note — a procedure, technique, restriction, special interest, etc., that requires emphasis or consideration for the performance of a procedural step or steps. Note this symbol denotes a note in a procedural step. A note is used whenever emphasis or c...

  • Page 30

    Safety/sicherheit mnc-0200-001 6 of 14 revision e warning to prevent electrical shock when servicing a klystron tube or a 2 kw power amplifier: • ensure the bus indicator led located in the power supply drawer high voltage side is out. • use shorting probe before taking measurements on the capacitor...

  • Page 31

    Safety/sicherheit mnc-0200-001 7 of 14 revision e rf radiation hazards warning the power amplifier is capable of generating high power microwave radiation that can cause bodily harm. Prior to operation ensure that: • the technician assigned to perform the maintenance does not wear a pacemaker. • all...

  • Page 32

    Safety/sicherheit mnc-0200-001 8 of 14 revision e sicherheit allgemeine information dieses kapitel benennt die sicherheitsvorkehrungen, die bei der durchführung eines jeden in diesem handbuch angeführten verfahrens getroffen werden müssen. Der benutzer ist bei der verwendung dieses handbuches verpfl...

  • Page 33

    Safety/sicherheit mnc-0200-001 9 of 14 revision e warnung —wenn ein verfahren, eine technik, einschränkung usw. Nicht genau befolgt werden, könnte dies zur verletzung oder zum todevon mitarbeitern führen. Warnung dieses symbol bedeutet eine warnung vor der gefahr eines elektrischen schlages bei eine...

  • Page 34

    Safety/sicherheit mnc-0200-001 10 of 14 revision e hinweis dieses symbol bedeutet einen hinweis bei einem verfahrensschritt. Ein hinweis wird stets verwendet, wenn bei der durchführung eines verfahrensschrittes oder mehrerer verfahrensschritte nachdruck oder berücksichtigung erforderlich sind. Allge...

  • Page 35

    Safety/sicherheit mnc-0200-001 11 of 14 revision e warnung zur vermeidung eines elektrischen schlages bei der wartung einer klystron röhre oder eines 2 kw leistungsverstärkers: • stellen sie sicher, dass die auf der hochspannungsseite der stromversorgung befindliche bus-led-anzeige erloschen ist. • ...

  • Page 36

    Safety/sicherheit mnc-0200-001 12 of 14 revision e gefahren bei leiterbenutzung warnung wenn sie eine leiter benutzen müssen, stellen sie sicher, dass: • der boden im bereich der leiteraufstellung frei von gegenständen ist, die zur instabilität der leiter führen könnten. • sie alle an der leiter ang...

  • Page 37

    Safety/sicherheit mnc-0200-001 13 of 14 revision e magnetfeld vorsicht eine mikrowellenröhre hat ein sehr starkes magnetisches feld. Die röhre kann beschädigt werden, wenn sie in kontakt mit magnetischen objekten oder werkzeugen kommt. Was sie nicht dÜrfen: • den verstärker auf einer magnetischen la...

  • Page 38

    Safety/sicherheit mnc-0200-001 14 of 14 revision e.

  • Page 39: Record of Changes

    Unpacking and installation, twta octagon cpu mnc-0300-003 1 of 22 revision n unpacking and installation, twta octagon cpu record of changes revision eco description date initiated by a 9295 original release 11/29/2001 a.L. Crozier, jr. B 9933 add information for tri-band power connector 06/21/2002 a...

  • Page 40: Table of Contents

    Mnc-0300-003 2 of 22 revision n unpacking and installation, twta octagon cpu table of contents paragraph title page number unpacking and installation, twta octagon cpu . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 unpacking and inspection . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 41: List of Figures

    Mnc-0300-003 3 of 22 revision n unpacking and installation, twta octagon cpu list of figures paragraph title page number figure 1 , typical 4 screw mounting flange tightening sequence. . . . . . . . . . . . . . . . 8 figure 2 , typical 8 screw mounting flange tightening sequence. . . . . . . . . . ....

  • Page 42: List of Tables

    Mnc-0300-003 4 of 22 revision n unpacking and installation, twta octagon cpu list of tables paragraph title page number table 1 , recommended waveguide flange torque . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 2 , monitor and control connector pinouts . . . . . . . . . . . . . . . . ...

  • Page 43

    Unpacking and installation, twta octagon cpu mnc-0300-003 5 of 22 revision n unpacking and installation, twta octagon cpu note this document is intended for outdoor twtas and other related products with octagon microprocessors. Unpacking and inspection inspect the inside and outside of the shipping ...

  • Page 44

    Unpacking and installation, twta octagon cpu mnc-0300-003 6 of 22 revision n waveguide connection caution do not overtighten the waveguide mounting screws. Overtightening may strip the threads in the waveguide flange. Failure to comply could result in equipment damage. Vorsicht Überdrehen sie nicht ...

  • Page 45

    Unpacking and installation, twta octagon cpu mnc-0300-003 7 of 22 revision n vorsicht wenn hohlleiter-flanschen nicht mit dem externen hohlleiter-system oder einer terminierten belastung verbunden sind, sollten sie mit einer schutzkappe oder band abgedeckt werden, das beim entfernen keine kleberrück...

  • Page 46

    Unpacking and installation, twta octagon cpu mnc-0300-003 8 of 22 revision n 5. Tighten all mounting screws with the appropriate size allen wrench. 6. Use a sequential tightening procedure. Refer to table 1. Proceed as follows: • partially tighten one of the screws (#1). • move the tool to the screw...

  • Page 47

    Unpacking and installation, twta octagon cpu mnc-0300-003 9 of 22 revision n air ducting installation the power amplifier is cooled with a built-in fan. Heated exhaust air should not be recirculated into the power amplifier. A clearance of 6-8 inches is recommended to allow the heated exhaust air to...

  • Page 48

    Unpacking and installation, twta octagon cpu mnc-0300-003 10 of 22 revision n power and interface interconnections when performing the procedures in this section refer to the wiring and interconnect drawings for your specific amplifier. These drawings are located in the appendix titled interconnect ...

  • Page 49

    Unpacking and installation, twta octagon cpu mnc-0300-003 11 of 22 revision n figure 4, connector j2 pinout for eik unit some amplifiers may have an ms connector. Refer to figure 5 , ms connector j2 pinout. Figure 5, ms connector j2 pinout refer to the outline drawing in the appendix titled mechanic...

  • Page 50

    Unpacking and installation, twta octagon cpu mnc-0300-003 12 of 22 revision n monitor and control connector to externally control the amplifier a m&c interface is provided. The connector is a 32-pin mil style waterproof connector. The monitor and control connector provides these interfaces for the u...

  • Page 51

    Unpacking and installation, twta octagon cpu mnc-0300-003 13 of 22 revision n see the appendix titled specifications for the pinouts on your amplifier. Note pins v, w, and x are not available when the amplifier is configured for redundant operation. Table 2, monitor and control connector pinouts pin...

  • Page 52

    Unpacking and installation, twta octagon cpu mnc-0300-003 14 of 22 revision n redundancy interface (waveguide switch) connector (j6) provides control and status indication for waveguide switch position. Refer to table 3 and figure 8. Passes rf inhibit command during the switching operation or wavegu...

  • Page 53

    Unpacking and installation, twta octagon cpu mnc-0300-003 15 of 22 revision n figure 8, waveguide switch connector pinouts rf inhibit control (j1-y) the twta has the capability to inhibit rf. If the unit has a ssa preamplifier, inhibit is accomplished by turning off the ssa. If the unit does not hav...

  • Page 54

    Unpacking and installation, twta octagon cpu mnc-0300-003 16 of 22 revision n figure 9, rf inhibit with internal source figure 10, rf inhibit with external source mixing internal and external references can result in damage to the equipment if there is a difference in ground potential between the co...

  • Page 55

    Unpacking and installation, twta octagon cpu mnc-0300-003 17 of 22 revision n figure 11, rf inhibit with switch a open serial interface ports (j1-a to j1-r) dual serial interface connectors (com1 and com2) are available for remote control operation. Both serial interface ports are always enabled. Th...

  • Page 56

    Unpacking and installation, twta octagon cpu mnc-0300-003 18 of 22 revision n figure 12, typical rs-485 2-wire duplex implementation figure 13, typical rs-485 4-wire full duplex implementation.

  • Page 57

    Unpacking and installation, twta octagon cpu mnc-0300-003 19 of 22 revision n note refer to table 2“, monitor and control connector pinouts,” on page 13 for the definition of the pins listed in the following paragraphs. Summary fault indicators (j1-s to j1-x) two sets of form c relay contacts (summa...

  • Page 58

    Unpacking and installation, twta octagon cpu mnc-0300-003 20 of 22 revision n warnung zur vermeidung elektrischer schläge sollte der verstärker fest mit dem erdungsbolzen verbunden sein. Nichtbefolgen könnte die verletzung oder den tod von menschen zur folge haben. Local operation xicom technology d...

  • Page 59

    Unpacking and installation, twta octagon cpu mnc-0300-003 21 of 22 revision n 2. Connect the amplifier to the primary power source. 3. Place the local/remote override switch in the local position. 4. Turn the primary power switch on. 5. The led indicator on the front panel of the unit will blink amb...

  • Page 60

    Unpacking and installation, twta octagon cpu mnc-0300-003 22 of 22 revision n.

  • Page 61: Record of Changes

    Mnc-0400-001 1 of 54 revision g operation, rack and digital hpas operation, rack and digital hpas record of changes revision eco description date initiated by 1 preliminary release 08/2001 a.L. Crozier, jr. 2 incorporate changes created by firmware 4.14 08/2001 a.L. Crozier, jr. 3 format change—tabl...

  • Page 62: Table of Contents

    Mnc-0400-001 2 of 54 revision g operation, rack and digital hpas table of contents paragraphtitle page number operation, rack and digital hpas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 63: Table of Contents

    Mnc-0400-001 3 of 54 revision g operation, rack and digital hpas table of contents paragraphtitle page number menutrees. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 initial setup and operation . . . . . . . . . . . . . . . . . . . ...

  • Page 64: List of Figures

    Mnc-0400-001 4 of 54 revision g operation, rack and digital hpas list of figures number title page number figure 1, rackmount front panel led display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 2, status menu 1 display and softkeys . . . . . . . . . . . . . . . . . . . . ....

  • Page 65: List of Tables

    Mnc-0400-001 5 of 54 revision g operation, rack and digital hpas list of tables number title page number table 1, led indicator definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 table 2, keyboard functions . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 66

    Mnc-0400-001 6 of 54 revision g operation, rack and digital hpas.

  • Page 67

    Mnc-0400-001 7 of 54 revision g operation, rack and digital hpas operation, rack and digital hpas overview the xicom digital m&c system, which is incorporated into all xicom xtd and xtrd series amplifiers provides a common user interface for the entire line of microwave tubes. The m&c system can be ...

  • Page 68

    Mnc-0400-001 8 of 54 revision g operation, rack and digital hpas figure 1, rackmount front panel led display front panel display and softkeys the display is four lines by twenty characters. The display shown in figure 2 is the status 1 menu. The information displayed is generated by the amplifier mi...

  • Page 69

    Mnc-0400-001 9 of 54 revision g operation, rack and digital hpas a discussion of the function of each associated softkey is included with the discussion of each menu or screen. A compressed menutree showing all the menus and screens is included as figure 18, figure 19, and figure 20 as an aid to the...

  • Page 70

    Mnc-0400-001 10 of 54 revision g operation, rack and digital hpas note the convention used in the text to indicate a front panel key is [keyname] key. Enable key the [enable] key is a safety feature that prevents accidental activation of critical functions such as gain control, high voltage control,...

  • Page 71

    Mnc-0400-001 11 of 54 revision g operation, rack and digital hpas ac power switch the ac power switch, which is a circuit breaker, is located on the rear panel of the amplifier. The switch toggle is pressed up to apply prime power to the amplifier. Note the ac power switch on multiple drawer twta ra...

  • Page 72

    Mnc-0400-001 12 of 54 revision g operation, rack and digital hpas * set point = alarm and/or fault set point ? Enter yes or no table 3, summary record, amplifier operating parameters parameter amplifier no. 1 amplifier no. 2 amplifier no. 3 amplifier no. 4 amplifier no. 5 amplifier no. 6 poll addres...

  • Page 73

    Mnc-0400-001 13 of 54 revision g operation, rack and digital hpas menu and screen descriptions there are four functional groups of menus and screens: 1 the status 1 menus and screens 2. The status 2 menus and screens 3. The setup menus and screens 4. The fault menus and screens startup screen when t...

  • Page 74

    Mnc-0400-001 14 of 54 revision g operation, rack and digital hpas two of the status 1 menu softkeys are active. The functions of the active status 1 menu softkeys are: [softkey 1]--temporarily changes the units used for the rf power data display. Cycles one step each time [softkey1] key is pressed. ...

  • Page 75

    Mnc-0400-001 15 of 54 revision g operation, rack and digital hpas figure 6, status 1 menu note the information within the dotted portion of figure 6 is for illustrative purposes only. This information is not displayed on the amplifier front panel display.

  • Page 76

    Mnc-0400-001 16 of 54 revision g operation, rack and digital hpas the bottom line of the status 1 menu can have three different messages: • if the amplifier is set up to automatically turn high voltage on when prime power is applied, the message will be auto high voltage on note to disable auto-high...

  • Page 77

    Mnc-0400-001 17 of 54 revision g operation, rack and digital hpas power out—the current rf output power of the amplifier. The rf output is continuously monitored and displayed on this menu. Atten set—the current attenuator setting. This is only available when high voltage is off. Rfltd pwr—the curre...

  • Page 78

    Mnc-0400-001 18 of 54 revision g operation, rack and digital hpas note the information within the dotted portion of figure 7 is for illustrative purposes only. This information is not displayed..

  • Page 79

    Mnc-0400-001 19 of 54 revision g operation, rack and digital hpas figure 7, status 2 and displayall menus setup menu system the setup menus are used to customize the amplifier to meet user interface and operational requirements. Entries made via the setup menus change the amplifier default parameter...

  • Page 80

    Mnc-0400-001 20 of 54 revision g operation, rack and digital hpas there are five setup menus, setup menu 1, setup menu 2, setup menu 3, setup menu 4, and setup menu 5. A special function key [setup] is used to access the setup menus. Two keys, [enable]+[setup], are pressed to access the setup menus ...

  • Page 81

    Mnc-0400-001 21 of 54 revision g operation, rack and digital hpas [softkey 1]—toggles between local and remote. Factory default is local. When in remote the amplifier status cannot be controlled; that is, turn high voltage on or off from the front panel. [softkey 2]—changes the default values for th...

  • Page 82

    Mnc-0400-001 22 of 54 revision g operation, rack and digital hpas warning there are no high voltage interlocks installed on the odu amplifiers. To prevent electric shock when performing maintenance, turn the auto high voltage on function off. Failure to comply could result in serious injury or death...

  • Page 83

    Mnc-0400-001 23 of 54 revision g operation, rack and digital hpas buzzer volume menu the buzzer volume menu (figure 9) allows you to enable or disable the audio alarm and to set the volume level of the alarm. Three of the softkeys of the buzzer volume menu are active. The buzzer volume menu softkey ...

  • Page 84

    Mnc-0400-001 24 of 54 revision g operation, rack and digital hpas exiting the default menus there are three ways to exit the default menus: 1 press the [enter] key to return to the setup 1 menu. 2. Press the [status1] key to go to the status 1 menu. 3. Press the [status2] to go to the status 2 menu....

  • Page 85

    Mnc-0400-001 25 of 54 revision g operation, rack and digital hpas exceeds the allowed number, the oldest entry is dropped. The gain control knob is used to scroll through the list of faults. Press [enter] to return to the alarms/faults menu. Set max power menu the set max power menu, figure 10 allow...

  • Page 86

    Mnc-0400-001 26 of 54 revision g operation, rack and digital hpas set min power menu the set min power menu (figure 10) allows you to control the minimum power detection circuits. The front panel 10-key pad and three of the softkeys of the set min power menu are active. The front panel 10-key pad is...

  • Page 87

    Mnc-0400-001 27 of 54 revision g operation, rack and digital hpas the front panel 10-key pad and three of the softkeys of the set max reflected power menu are active. The front panel 10-key pad is used to enter the desired maximum reflected power level. The set max reflected power menu softkey funct...

  • Page 88

    Mnc-0400-001 28 of 54 revision g operation, rack and digital hpas [softkey 3]—pressed to test the summary fault circuit. The summary fault relays will switch; the summary fault led will change state and high voltage will momentarily go off. [softkey 4]—pressed to test the waveguide arc fault circuit...

  • Page 89

    Mnc-0400-001 29 of 54 revision g operation, rack and digital hpas press [softkey 2] to access the offset factor menu — this menu allows the user to adjust displayed output power up or down by a given amount (in db). [softkey 3] allows you to turn rf inhibit on or off. [softkey 4] allows access to se...

  • Page 90

    Mnc-0400-001 30 of 54 revision g operation, rack and digital hpas figure 11, setup menu 2.

  • Page 91

    Mnc-0400-001 31 of 54 revision g operation, rack and digital hpas constant power sub-menu the amplifiers can be setup to automatically maintain rf output power at a preset level. The front panel 10-key pad and one of the softkeys of this menu are active. The softkey functions are: [softkey 1]—enable...

  • Page 92

    Mnc-0400-001 32 of 54 revision g operation, rack and digital hpas setup menu 3 setup menu 3 allows you to: • set the time and date used for alarm and fault recording. • select linearizer, if installed, and adjust phase and amplitude. • select band. Setup menu 3, figure 12 provides access to the time...

  • Page 93

    Mnc-0400-001 33 of 54 revision g operation, rack and digital hpas figure 12, setup menu 3 setup menu 4 setup menu 4, figure 13provides access to the configure com1, configure com2, set system address sub-menus, and setup menu 5 which is used to calibrate attenuator and replace firmware. [softkey 1]—...

  • Page 94

    Mnc-0400-001 34 of 54 revision g operation, rack and digital hpas figure 13, setup menu 4 configure com1 menu three softkeys are active: [softkey 1]—sets the serial port baud rate. Cycles one step each time the [softkey 1] is pressed. The step sequence is: [softkey 2]—sets parity. Cycles one step ea...

  • Page 95

    Mnc-0400-001 35 of 54 revision g operation, rack and digital hpas configure com2 menu three softkeys are active: [softkey 1]—sets the serial port baud rate. Cycles one step each time the [softkey 1] is pressed. The step sequence is: [softkey 2]—sets parity. Cycles one step each time [softkey 2] key ...

  • Page 96

    Mnc-0400-001 36 of 54 revision g operation, rack and digital hpas setup menu 5 setup menu 5, figure 15 provides access to the calibrate attenuator and replace firmware submenus. This setup menu is to be used by xicom personnel only. It is shown here solely for information. Figure 15, setup menu 5 fa...

  • Page 97

    Mnc-0400-001 37 of 54 revision g operation, rack and digital hpas.

  • Page 98

    Mnc-0400-001 38 of 54 revision g operation, rack and digital hpas f = fault; turns high voltage off and turns the buzzer on a = alarm; turns buzzer on but does turn hv off. Table 4, twta fault and alarm list fault log abbr. Display name comments f fanlck fan lock (will never happen) f ovrtmp supply ...

  • Page 99

    Mnc-0400-001 39 of 54 revision g operation, rack and digital hpas fault report displays--latched faults the latched fault report displays are shown in figure 16. Latched faults must be cleared by the operator. These fault report displays all operate in the same way. When the indicated fault occurs, ...

  • Page 100

    Mnc-0400-001 40 of 54 revision g operation, rack and digital hpas non-latched fault report displays see figure 17. Non-latched faults clear when the fault condition occurs. The non-latched fault report does not clear when the fault clears. Operator action is required to reset the fault report displa...

  • Page 101

    Mnc-0400-001 41 of 54 revision g operation, rack and digital hpas.

  • Page 102

    Mnc-0400-001 42 of 54 revision g operation, rack and digital hpas figure 18, menutree sheet 1 of 3.

  • Page 103

    Mnc-0400-001 43 of 54 revision g operation, rack and digital hpas figure 19, menutree sheet 2 of 3.

  • Page 104

    Mnc-0400-001 44 of 54 revision g operation, rack and digital hpas figure 20, menutree, sheet 3 of 3.

  • Page 105

    Mnc-0400-001 45 of 54 revision g operation, rack and digital hpas initial setup and operation general the amplifier can be operated from the amplifier front panel (local configuration) or from a remote controller (remote configuration). The amplifier is configured at the factory with the default val...

  • Page 106

    Mnc-0400-001 46 of 54 revision g operation, rack and digital hpas recorded in a power amplifier log. Amplifier run-time records are maintained by the amplifier.

  • Page 107

    Mnc-0400-001 47 of 54 revision g operation, rack and digital hpas note refer to the chapter titled overview for general amplifier specifications and the appendix specifications for specifications that are specific to your particular amplifier. Operating configurations there are two operating configu...

  • Page 108

    Mnc-0400-001 48 of 54 revision g operation, rack and digital hpas standby mode in this mode, there are no faults and the twt is ready for high voltage to be applied. Heater standby mode the purpose of heater standby is to extend the life to the tube when the high voltage is off. The temperature of t...

  • Page 109

    Mnc-0400-001 49 of 54 revision g operation, rack and digital hpas fault mode this mode exists anytime a condition detrimental to the twt is detected by the power supply fault detection circuitry. Faults are indicated on the front panel by red leds. Any of the following conditions trip the fault dete...

  • Page 110

    Mnc-0400-001 50 of 54 revision g operation, rack and digital hpas warning electric shock hazard due to high voltage capacitors inside the equipment. Allow five minutes for the capacitors to completely discharge before removing lid and working in the equipment. Failure to comply could result in serio...

  • Page 111

    Mnc-0400-001 51 of 54 revision g operation, rack and digital hpas 3. The rf drive signal is within the frequency range of the amplifier and +5 dbm or less with the hpa set for minimum gain (control fully counterclockwise). Caution operate the amplifier within the power limit specification. Exceeding...

  • Page 112

    Mnc-0400-001 52 of 54 revision g operation, rack and digital hpas 9. Turn on the rf drive signal.Slowly increase the rf drive to the twt by rotating the gain control clockwise. Monitor the rf output power. Caution do not exceed the dbm input power specification. Driving the twt by more than 2 dbm be...

  • Page 113

    Mnc-0400-001 53 of 54 revision g operation, rack and digital hpas 3. Press the [enable] key and the [hv on] key at the same time. The high voltage on indicator should light (green). This indicates that high voltage is on and applied to the twt. The standby and htr standby indicators should turn off....

  • Page 114

    Mnc-0400-001 54 of 54 revision g operation, rack and digital hpas.

  • Page 115: Record of Changes

    Mnc-0500-002 1 of 36 revision h amplifier communication and protocol, octagon isa cpu amplifier communication and protocol, octagon isa cpu record of changes revision eco description date initiated by 1 preliminary release 08/2001 a.L. Crozier, jr. 2 format changes 08/2001 a.L. Crozier, jr. 3 format...

  • Page 116: Table of Contents

    Mnc-0500-002 2 of 36 revision h amplifier communication and protocol, octagon isa cpu table of contents paragraph title page number amplifier communication and protocol, octagon isa cpu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 overview . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 117: List of Figures

    Mnc-0500-002 3 of 36 revision h amplifier communication and protocol, octagon isa cpu list of figures paragraph title page number figure 1, basic configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.

  • Page 118: List of Tables

    Mnc-0500-002 4 of 36 revision h amplifier communication and protocol, octagon isa cpu list of tables paragraph title page number table 1, standard packet format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 table 2, packet format (redundant con...

  • Page 119

    Mnc-0500-002 5 of 36 revision h amplifier communication and protocol, octagon isa cpu amplifier communication and protocol, octagon isa cpu overview refer to figure 1 for basic configuration. Note in this chapter, the term analog refers to devices without a serial interface. The term digital refers ...

  • Page 120

    Mnc-0500-002 6 of 36 revision h amplifier communication and protocol, octagon isa cpu figure 1, basic configuration.

  • Page 121

    Mnc-0500-002 7 of 36 revision h amplifier communication and protocol, octagon isa cpu protocol overview xicom digitally controlled devices monitor their serial ports for incoming messages and respond to messages as soon as they are verified. Response time varies, typically ranging between 20 and 100...

  • Page 122

    Mnc-0500-002 8 of 36 revision h amplifier communication and protocol, octagon isa cpu printable vs. Non-printable protocols printable protocol facilitates teletype-style operations where users type in messages and view the responses. There are two drawbacks to this method: 1) several responses conta...

  • Page 123

    Mnc-0500-002 9 of 36 revision h amplifier communication and protocol, octagon isa cpu communication parameters communications can be configured as follows: baud rates: 1200, 2400, 4800, 9600, 19,200, 38,400, and 57600 parity:none, even, or odd data bits:7 or 8 stop bits:1 or 2 flow control options s...

  • Page 124

    Mnc-0500-002 10 of 36 revision h amplifier communication and protocol, octagon isa cpu table 3, start byte, end byte, & check byte protocol packet type accept/ reject start byte end byte check byte printable message (ascii){ (ascii)} response message accepted or rejected { } “base 95” message stx et...

  • Page 125

    Mnc-0500-002 11 of 36 revision h amplifier communication and protocol, octagon isa cpu example of “base 95” message (“id/version” query): {ao} 1 take sum of message bytes ‘{‘ + ‘a’ + ‘o’ + ‘}’ 123 + 65 + 48 + 125 = 361 2. Subtract 32 361 – 32 = 329 3. Modulus 95 329% 95 = 44 4. Add 32 44 + 32 = 76 (...

  • Page 126

    Mnc-0500-002 12 of 36 revision h amplifier communication and protocol, octagon isa cpu table 5, command reject codes ascii character reject reason a command byte not recognized b illegal parameter or parameter out of range c system in local mode d slow command being executed e hardware or software f...

  • Page 127

    Mnc-0500-002 13 of 36 revision h amplifier communication and protocol, octagon isa cpu table 6, ascii code cross reference char dec hex char dec hex char dec hex nul 000 00 + 043 2b v 086 56 soh 001 01 , 044 2c w 087 57 stx 002 02 - 045 2d x 088 58 etx 003 03 . 046 2e y 089 59 eot 004 04 / 047 2f z ...

  • Page 129

    Mnc-0500-002 15 of 36 revision h amplifier communication and protocol, octagon isa cpu commands and queries firmware information the following firmware revision is baseline: twt amplifier (all models)3.81 all commands and queries listed herein are compatible with baseline firmware except where noted...

  • Page 130

    Mnc-0500-002 16 of 36 revision h amplifier communication and protocol, octagon isa cpu table 8, list of amplifier commands command page ac power 26 heater standby 26 high voltage on 26 high voltage off 26 fault reset 27 step attenuator 27 go to power (dbw) 27 go to power (watts) 27 constant power (d...

  • Page 131

    Mnc-0500-002 17 of 36 revision h amplifier communication and protocol, octagon isa cpu amplifier queries id/version command byte: '0' response: "mmmmmmmvrr" mmmmmmm is the amplifier model number. V is the firmware version number. Rr is the firmware revision level. Optional parameter: “00” returns th...

  • Page 132

    Mnc-0500-002 18 of 36 revision h amplifier communication and protocol, octagon isa cpu summary status command byte: '1' response: "ab" formatted as follows: byte 'a' bit 7: reserved bit 6: complement of bit 5 bit 5: power supply enabled bit 4: high voltage on bit 3: standby bit 2: remote mode bit 1:...

  • Page 133

    Mnc-0500-002 19 of 36 revision h amplifier communication and protocol, octagon isa cpu fault status command byte: '3' response: "ab" formatted as follows: byte 'a' bit 7: reserved. Bit 6: complement of bit 5. Bit 5: latched helix arc fault. Bit 4: momentary helix arc fault. Bit 3: over temp fault. B...

  • Page 134

    Mnc-0500-002 20 of 36 revision h amplifier communication and protocol, octagon isa cpu current screen command byte: '5' response: returns the amplifier's current screen. Xicom's digital rack hpa has a vacuum fluorescent display with four lines of twenty characters each. The response is four 20 chara...

  • Page 135

    Mnc-0500-002 21 of 36 revision h amplifier communication and protocol, octagon isa cpu alarm condition command byte: '9' response: one byte of alarm status, formatted as follows. Bit 7: reserved. Bit 6: complement of bit 5. Bit 5: high output power. Bit 4: low output power. Bit 3: high reflected pow...

  • Page 136

    Mnc-0500-002 22 of 36 revision h amplifier communication and protocol, octagon isa cpu advanced query command byte:'?' description: the advanced query feature, which is included in firmware versions 3.56 and higher, is intended to streamline the user’s polling loop by allowing the user to construct ...

  • Page 137

    Mnc-0500-002 23 of 36 revision h amplifier communication and protocol, octagon isa cpu parameter information requested response format ‘!’ extended summary status 4 bytes byte a summary status byte a byte b summary status byte b byte c bit 7 — not used (always 0) bit 6 — compliment of bit 5 bit 5 — ...

  • Page 138

    Mnc-0500-002 24 of 36 revision h amplifier communication and protocol, octagon isa cpu ‘p’ fwd power xx.X in dbm hv off or rf not detectable “‘q’ reverse power xx.X in dbm hv off or rf not detectable “‘r’ reverse power alarm/fault trip point and setting a xx.X in dbm (generate alarm) f xx.X in dbm (...

  • Page 139

    Mnc-0500-002 25 of 36 revision h amplifier communication and protocol, octagon isa cpu get serial configuration command byte: 'x' parameters: '?' returns the configuration of the communications port that the query was received on. "1?" returns information on com1. "2?" returns information on com2. “...

  • Page 140

    Mnc-0500-002 26 of 36 revision h amplifier communication and protocol, octagon isa cpu amplifier commands ac power command byte: '!' function: enables/disables ac power to the hpa. Parameters: '0' - disable ac power. '1' - enable ac power. Compatibility: this command is only available for odus conne...

  • Page 141

    Mnc-0500-002 27 of 36 revision h amplifier communication and protocol, octagon isa cpu fault reset command byte: 'b' function: resets any of the hpa's resetable faults. Step attenuator command byte: 'c' function: steps attenuator count up or down. The attenuator count is written to the d- to-a conve...

  • Page 142

    Mnc-0500-002 28 of 36 revision h amplifier communication and protocol, octagon isa cpu constant power (dbw) command byte: 'f' function: the hpa seeks the specified power level until constant power is terminated by goto power (command byte ‘d’ or ‘e’) or terminate constant power (command byte ‘h’). A...

  • Page 143

    Mnc-0500-002 29 of 36 revision h amplifier communication and protocol, octagon isa cpu clear rf inhibit command byte: 'j' function: rf drive to the twt is enabled. Compatibility: attenuator required. Set attenuator command byte: 'k' parameter: “xx.X” db of attenuation or “ix.X” to increase attenuati...

  • Page 144

    Mnc-0500-002 30 of 36 revision h amplifier communication and protocol, octagon isa cpu max rf power trip command byte: 'm' function: sets a max rf trip point. If output power exceeds the set point, an alarm or fault is generated provided the hpa has processed an “enable rf limits” command ('r'). Par...

  • Page 145

    Mnc-0500-002 31 of 36 revision h amplifier communication and protocol, octagon isa cpu miscellaneous setup command byte: 'p' function: miscellaneous setup parameters: “zxxxx” to set linearizer amplitude, “zxxxx” to set linearizer phase. Xxxx is a count between 0 and 4095. Note: you can convert count...

  • Page 146

    Mnc-0500-002 32 of 36 revision h amplifier communication and protocol, octagon isa cpu waveguide switch control command byte: ‘u’ format: ‘u1’ activate override mode and switch in amplifier ‘u0’ activate override mode and switch in other amplifier ‘um’ activate overide mode ‘ua’ terminate overide mo...

  • Page 147

    Mnc-0500-002 33 of 36 revision h amplifier communication and protocol, octagon isa cpu simulate front panel input command byte: 'v' function: simulates digital rack hpa front panel keypad/encoder input. Any/all front panel input can be simulated using this command. Combining this command with query ...

  • Page 148

    Mnc-0500-002 34 of 36 revision h amplifier communication and protocol, octagon isa cpu simulate front panel input, continued alternate parameters (for xicom's digital outdoor controller): 'l': toggle local/remote. 'a': toggle hpa/ac power. 'h': toggle hpa heater standby. '!': toggle hpa high voltage...

  • Page 149

    Mnc-0500-002 35 of 36 revision h amplifier communication and protocol, octagon isa cpu set serial configuration command byte: 'x' function: configures serial communications on the specified port. Use this command carefully as it could cause you to lose communications with the amplifier. See the get ...

  • Page 150

    Mnc-0500-002 36 of 36 revision h amplifier communication and protocol, octagon isa cpu.

  • Page 151: Preventive Maintenance

    Mnc-0600-003 1 of 6 revision d preventive maintenance preventive maintenance record of changes revision eco description date initiated by a 9295 original release 11/29/2001 a.L. Crozier, jr. B 9664 update record of changes page to remove chapter number. 03/19/2002 a.L. Crozier, jr. C 11429 add parag...

  • Page 152: Table of Contents

    Mnc-0600-003 2 of 6 revision d preventive maintenance table of contents paragraph title page number preventive maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 153: Preventive Maintenance

    Mnc-0600-003 3 of 6 revision d preventive maintenance preventive maintenance requirements monthly inspect the air inlet and exhaust ports. Ensure the ports are unobstructed. Remove any: • lint • leaves • straw quarterly inspect and clean: • the cooling fins. • the electrical connections; make sure a...

  • Page 154

    Mnc-0600-003 4 of 6 revision d preventive maintenance maintenance procedures lower deck perform the following procedure to remove, inspect, and clean the lower deck cover. 1 turn the power amplifier off. 2. Disconnect the prime power. 3. Remove and retain the self-locking screws. Refer to the append...

  • Page 155

    Mnc-0600-003 5 of 6 revision d preventive maintenance the manufacturers, importers and users are responsible for the proper disposal or recycling of batteries. In accordance with these directives, the tl-5242/w battery contains no dangerous substances. The reaction products are inorganic and do not ...

  • Page 156

    Mnc-0600-003 6 of 6 revision d preventive maintenance vertraut ist. Wir empfehlen ihnen, sich mit ihrem örtlichen büro der bundesbehörde für umweltschutz in verbindung zu setzen. Europa die europäische gemeinschaft (eg) hat zwei direktiven erlassen: 91/157/eec und 93/86/eec. Diese direktiven werden ...

  • Page 157: Service and Repair

    Mnc-0700-001 1 revision f service and repair service and repair record of changes revision eco description date initiated by 1 preliminary release 08/2001 a.L. Crozier, jr. 2 incorporate rma form and format change 08/2001 a.L. Crozier, jr. 3 format changes—table of contents, list of figures, list of...

  • Page 158: Table of Contents

    Mnc-0700-001 2 revision f service and repair table of contents paragraph title page number service and repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 159: Service and Repair

    Mnc-0700-001 3 revision f service and repair service and repair introduction xicom technology recommends that all equipment be returned to the xicom factory or approved service centers for any calibration, tuning and repairs that require internal access to the equipment. Special training, procedures...

  • Page 160

    Mnc-0700-001 4 revision f service and repair shipping information return the equipment in the original packing. If the original packing is not available use wooden boxes or double layer corrugated boxes. Ensure there is adequate packing material between the equipment and the outside box. Seal the co...

  • Page 161

    Mnc-0700-001 5 revision f service and repair figure 1, rma request form example rma request form date: warranty: rma: orig ship date: completed by: orig so : warranty expires: customer: model: p/n: s/n: model: p/n: s/n: included accessories note: please only return accessories as required to support...

  • Page 162

    Mnc-0700-001 6 revision f service and repair.

  • Page 163: Twta Specification

    This document is best viewed using the times new roman font th is doc ume n t i s th e pr op er ty of x ico m tec hno lo g y. R epr od uc ti on or r el eas e w i tho ut e xp r e ss p er m is sio n is s tr ic tl y p r o hi b i ted . El ec tr onic a pp r ov al . Se e p lm . 15868 n update paras 3.1.5,...

  • Page 164

    Th i s do c um en t i s th e pr o p er ty o f x ic o m te c hn ol o g y. Re pr o d uc ti o n or r e l ea se w i th o ut e x pr ess per m is s io n i s s tr ic tl y pr oh ib i te d . Xtu-400k, ii, 13.75-14.5, dig, det rf, vgipa document no. 305-0184-104 rev n page 2 of 10 1.0 scope. This specificatio...

  • Page 165

    Th i s do c um en t i s th e pr o p er ty o f x ic o m te c hn ol o g y. Re pr o d uc ti o n or r e l ea se w i th o ut e x pr ess per m is s io n i s s tr ic tl y pr oh ib i te d . Xtu-400k, ii, 13.75-14.5, dig, det rf, vgipa document no. 305-0184-104 rev n page 3 of 10 3.1.6 intermodulation with 2...

  • Page 166

    Th i s do c um en t i s th e pr o p er ty o f x ic o m te c hn ol o g y. Re pr o d uc ti o n or r e l ea se w i th o ut e x pr ess per m is s io n i s s tr ic tl y pr oh ib i te d . Xtu-400k, ii, 13.75-14.5, dig, det rf, vgipa document no. 305-0184-104 rev n page 4 of 10 3.1.14 prime power 100-260 v...

  • Page 167

    Th i s do c um en t i s th e pr o p er ty o f x ic o m te c hn ol o g y. Re pr o d uc ti o n or r e l ea se w i th o ut e x pr ess per m is s io n i s s tr ic tl y pr oh ib i te d . Xtu-400k, ii, 13.75-14.5, dig, det rf, vgipa document no. 305-0184-104 rev n page 5 of 10 3.1.17 monitoring 3.1.17.1 m...

  • Page 168

    Th i s do c um en t i s th e pr o p er ty o f x ic o m te c hn ol o g y. Re pr o d uc ti o n or r e l ea se w i th o ut e x pr ess per m is s io n i s s tr ic tl y pr oh ib i te d . Xtu-400k, ii, 13.75-14.5, dig, det rf, vgipa document no. 305-0184-104 rev n page 6 of 10 4.0 environmental 4.1 non-op...

  • Page 169: Appendix A

    Th i s do c um en t i s th e pr o p er ty o f x ic o m te c hn ol o g y. Re pr o d uc ti o n or r e l ea se w i th o ut e x pr ess per m is s io n i s s tr ic tl y pr oh ib i te d . Xtu-400k, ii, 13.75-14.5, dig, det rf, vgipa document no. 305-0184-104 rev n page 7 of 10 appendix a atp test performa...

  • Page 170: Appendix A

    Th i s do c um en t i s th e pr o p er ty o f x ic o m te c hn ol o g y. Re pr o d uc ti o n or r e l ea se w i th o ut e x pr ess per m is s io n i s s tr ic tl y pr oh ib i te d . Xtu-400k, ii, 13.75-14.5, dig, det rf, vgipa document no. 305-0184-104 rev n page 8 of 10 appendix a (cont.) requireme...

  • Page 171: Appendix A

    Th i s do c um en t i s th e pr o p er ty o f x ic o m te c hn ol o g y. Re pr o d uc ti o n or r e l ea se w i th o ut e x pr ess per m is s io n i s s tr ic tl y pr oh ib i te d . Xtu-400k, ii, 13.75-14.5, dig, det rf, vgipa document no. 305-0184-104 rev n page 9 of 10 appendix a (cont.) requireme...

  • Page 172

    Th i s do c um en t i s th e pr o p er ty o f x ic o m te c hn ol o g y. Re pr o d uc ti o n or r e l ea se w i th o ut e x pr ess per m is s io n i s s tr ic tl y pr oh ib i te d . Xtu-400k, ii, 13.75-14.5, dig, det rf, vgipa document no. 305-0184-104 rev n page 10 of 10 this page left blank intent...

  • Page 182: Record of Changes

    Mnc-0000-015 1 of 8 revision c operation addendum, block upconverter operation addendum, block upconverter record of changes revision eco description date initiated by a 10125 original release 08/05/2002 a.L. Crozier, jr. B 10516 add x and dbs band information 12/06/2002 a.L. Crozier, jr. C 12612 ad...

  • Page 183: Table of Contents

    Mnc-0000-015 2 of 8 revision c operation addendum, block upconverter table of contents paragraph title page number operation addendum, block upconverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 184

    Mnc-0000-015 3 of 8 revision c operation addendum, block upconverter operation addendum, block upconverter overview the function of the buc (block upconverter) is to convert the baseband input from a modem at an if (intermediate frequency) to the system transmit frequency. The buc accepts an interme...

  • Page 185

    Mnc-0000-015 4 of 8 revision c operation addendum, block upconverter functional description the block diagram in figure 3 provides a schematic for the buc. Table 1 presents a frequency plan for the output of the buc. The input of the buc provides diplexing to direct the reference frequency to the lo...

  • Page 186

    Mnc-0000-015 5 of 8 revision c operation addendum, block upconverter figure 3, detailed buc block diagram.

  • Page 187

    Mnc-0000-015 6 of 8 revision c operation addendum, block upconverter setup and turn on use this procedure to setup and operate the buc. 1 turn on modem or signal source and set if input power to -20 dbm ± 3 db. Verify that the reference frequency is present and at 2 ± 5 dbm power level. These power ...

  • Page 188

    Mnc-0000-015 7 of 8 revision c operation addendum, block upconverter • dbs band — (16.35 ghz/reference frequency) x reference offset = output offset. Reference offset is in mhz. 2. To turn on the hpa (high power amplifier) refer to the chapter titled operation. The internal attenuator must be set to...

  • Page 189

    Mnc-0000-015 8 of 8 revision c operation addendum, block upconverter figure 4, drift compensation block diagram.