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AR 300T2G8 Series Operating And Service Manual

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Operating and
Service Manual
300T2G8
Model
10012514
Part Number
Serial Number
160 School House Road, Souderton, PA 18964 • 215-723-8181 • Fax 215-723-5688 • www.arworld.us

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  • Page 1 Operating and Service Manual 300T2G8 Model 10012514 Part Number Serial Number 160 School House Road, Souderton, PA 18964 • 215-723-8181 • Fax 215-723-5688 • www.arworld.us...
  • Page 3 Amplifier Research 160 School House Road Souderton, PA. 18964 declare that our product(s); the Model 300T2G8 series RF amplifiers to which this declaration relates is in compliance with the following European directives: Low Voltage Directive: 2014/35/EU EMC Directive: 2014/30/EU Supplementary Information:...
  • Page 5 The caution symbol denotes a potential hazard. Attention must be given to the statement to prevent Your AR equipment may have more than one power supply cable. Use damage, destruction, or harm. only approved power cable(s). If you have not been provided with a Dangerous voltages are present.
  • Page 6 EQUIPMENT CONTAINING LASERS risk of serious injury due to unsafe AR Field Probes (FL/PL Series) and Field Analyzers (FA product handling should be a fundamental Series) are Class 1 laser products containing embedded consideration every user.
  • Page 7 Zur Vermeidung von Personen- oder Sachschäden gilt BEVOR SIE DAS GERÄT ANSCHLIESSEN es, die Hinweise zu beachten. Ihre AR-Ausrüstung hat möglicherweise mehr als ein Stromversorgungskabel. Gefährliche elektrische Spannungen sind vorhanden. Verwenden Sie nur zugelassene Stromkabel. Falls Sie kein Stromkabel oder Höchste Vorsicht ist geboten.
  • Page 8 Die meisten Geräte müssen während des Versands, der Montage und des Gebrauchs LASER-INFORMATION transportiert werden. Jeder Nutzer sollte sich AR - Feldsonden (FL/PL-Serie) und Feldanalysatoren (FA-Serie) über das Risiko von schweren Verletzungen sind Laserprodukte der Klasse 1 mit eingebetteten Klasse-4- durch unsachgemäße...
  • Page 9 électrode de mise à la Votre équipement AR peut disposer de plus d’un câble d’alimentation terre de protection. électrique. Utilisez uniquement un ou des câbles d’alimentation approuves.
  • Page 10 éliminer le risque injustifié de blessures causées par le levage est fournie par les méthodes de travail de NIOSH (publication Les sondes de champ AR (série FL/PL) et les analyseurs de n° 94-110) disponibles sur : champ (série FA) sont des produits laser de classe 1 contenant des lasers intégrés de classe 4.
  • Page 11 Er zijn gevaarlijke elektrische spanningen aanwezig. Wees uiterst voorzichtig. VOOR HET OPZETTEN VAN DE STROOM Uw AR-apparatuur kan meer dan een netvoedingskabel bezitten. Gebruik alleen goedgekeurde netvoedingskabel(s). Koopt een Wijst op een terminal aan die bedoeld is voor aansluiting netvoedingskabel die is goedgekeurd voor gebruik in uw land als u...
  • Page 12 APPARAAT DAT LASERS BEVAT distributie, de assemblage en het gebruik moeten worden behandeld, moet het risico AR-terreinsondes (FL/PL-serie) en terreinanalysatoren (FA- op ernstig letsel als gevolg van een serie) zijn laserproducten van klasse 1 met ingesloten onveilige behandeling van het product een klasse 4-lasers.
  • Page 13 ADDITIONAL WARNINGS & NOTES WARNING: This equipment operates at potentially lethal voltages. Only trained, qualified personnel should operate, maintain, or service it. CAUTION: The information in this document was obtained from reliable sources and was believed to be accurate at the time of publication. Since subsequent modifications to the machine may have been made, use this information only as a guide.
  • Page 15 Suggested Periodic Maintenance for TWT Amplifiers 1. Keep monthly log of the voltages, currents and temperatures as shown on Menus. Also record Date, “Console” and “Operate” hours. Take readings in Operate mode with the gain at zero (0%) percent. Leave unit in Operate mode for 20 minutes (Max Duty if Pulsed Unit), and then record data.

  • Page 17: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS ....................I DESCRIPTION AND SPECIFICATIONS .............1 TWTA Description ....................1 Suggested Applications....................1 Specifications ......................1 Accessories.........................1 Test Data Sheet ......................2 THEORY OF OPERATION..................7 Design of the Amplifier .....................7 Description of the RF Circuit (A24380-066) .............7 Description of the Power Supply (A22520-052) ............8 OPERATION ......................9 Warnings and Cautions ....................9 Installation........................10...
  • Page 18 Model 300T2G8 5.4.6 Parts List, HPA Interface Board (Plastic), A25444-000 ........46 5.4.7 Parts List, 300 Watt SC Band TWTA AR 6U, A28880-963 ........50 Recommended Spare Parts..................51 Sample Program for IEEE-488 Communication............52 FIGURES Rear View of HPA ....................6 TWTA Front Panel Features ..................9 Front Panel Display Screens.................10...

  • Page 19: Description And Specifications

    1. DESCRIPTION AND SPECIFICATIONS This manual provides operating, interfacing and selected service information pertinent to Amplifier Research Model 300T2G8 Broadband Microwave Amplifier. The Model 300T2G8 is a 300 watt S and C band traveling-wave tube amplifier (TWTA). TWTA DESCRIPTION The amplifier uses a traveling wave tube (TWT) to provide 300 watts minimum output over the TWT amplifier's full bandwidth.

  • Page 20: Test Data Sheet

    Model 300T2G8 TEST DATA SHEET A Test Data Sheet for a specific unit is prepared at the time of manufacture and is included with the unit's copy of this manual. Rev A...
  • Page 21 U.S. Export Administration Regulations. perature and cabinet temperature. Diversion contrary to U.S. law is prohibited. AR RF/Microwave Instrumentation 160 School House Rd Souderton, PA 18964 215-723-8181 For an applications engi- neer call:800.933.8181...
  • Page 22 Specifications Page 2 POWER (fundamental), CW, @ OUTPUT VIDEO PULSE CAPABILITY: 300T2G8 CONNECTOR: Pulse Width: 0.05 microseconds min Nominal: 350 watts Pulse Rate (PRF): 100 kHz max Minimum: 300 watts RF Rise and Fall: 30 ns max (10 % to 90%) ...
  • Page 23 Page 3 300T2G8  M1–M19  300 Watts CW  2.5GHz–7.5GHz To order AR Products, call 215.723.8181. For an applications engineer call:800.933.8181. Direct to Service call: 215.723.0275 or email: service@arworld.us For Faxing Orders:866.859.0582 (Orders Only Please) info@arworld.us Approved for public release by AR RF/Microwave Instrumentation...

  • Page 25: Theory Of Operation

    2. THEORY OF OPERATION DESIGN OF THE AMPLIFIER The Model 300T2G8 TWT amplifier consists of four principal subsystems. Two of these subsystems, the microwave power assembly (A24380-066) and the TWT power supply (A22520-052) are discussed in sections 2.2 and 2.3, respectively. The other two subsystems are the microprocessor control system and the TWTA packaging.

  • Page 26: Description Of The Power Supply (A22520-052)

    Model 300T2G8 Amplifier gain is determined by the solid state preamp (SSA), which has a voltage-controlled attenuator. The control head determines the output of a digital-to-analog converter (DAC) on the HPA interface board. The output of the DAC controls the SSA attenuator. The remote control board (A24369-000) mounted behind the front panel is provided with a circuit that increases the attenuation so that reverse power is limited to a safe level (on the order of 20 to 50 watts).

  • Page 27: Operation

    3. OPERATION WARNINGS AND CAUTIONS Throughout this manual, the symbol: WARNING: indicates that a hazard exists that may result in personal injury or loss of life. CAUTION: indicates that failure to follow procedures may result in damage to the equipment. WARNING: DANGER - High Voltage Present: Electrical equipment in this TWTA generates and stores high-voltage energy that can result in fatal electrocution.

  • Page 28: Installation

    Model 300T2G8 INSTALLATION 3.2.1 Unpacking Upon receiving the TWTA, unpack the unit and inspect it for obvious signs of external damage. If damage is observed, notify the carrier and contact an authorized service representative. Save and store the shipping container in case the unit needs to be returned in the future for calibration or repair. 3.2.2 Mounting The TWTA may be operated as a standalone benchtop unit, or it may be installed in a 19"...

  • Page 29: Cooling Requirements

    3.2.3 Cooling Requirements The TWTA is provided with a cooling fan. It is important that air movement around the rear of the unit be unobstructed. CAUTION: For either bench or rack mounting, do not position the TWTA in such a way that the air intake or outlet are blocked, or that the exhaust flow is directed into the intake.

  • Page 30: Rf Connections

    Model 300T2G8 3.2.5 RF Connections The RF output connector is type N female coaxial connector. CAUTION: Never operate the TWTA without a matched output load rated for at least 350 watts, continuous. The TWTA is not provided with an output isolator.

  • Page 31: Front Panel Features (Refer To Figure 3-2 Below)

    FRONT PANEL FEATURES (REFER TO FIGURE 3-2 BELOW) ADJUST INHIBIT LOCAL STANDBY OPERATE REMOTE EXIT MAIN POWER Figure 3-2 TWTA Front Panel Table 3-1. Front Panel Features Label Title Function MAIN POWER Switchable 16 A. circuit breaker; connects primary power to power supplies. OPERATE Push-button;...

  • Page 32: Front Panel Display And Soft Keys

    Model 300T2G8 FRONT PANEL DISPLAY AND SOFT KEYS The purpose of the front panel display is to permit the operator to access extensive information about the condition and operation of the TWTA. To accomplish this, a number of informational screens are programmed. It is important for the operator to be able to select the screen with the required information.
  • Page 33 Menu screens - The screens at the highest level are called menu screens. There are four menu screens. At power on, the MENU 1 screen is displayed. Each of the menu screens has the soft key S4 labeled MORE. The MORE key (S4) causes the next menu screen to appear.

  • Page 34: Catalog Of Ieee-488 Commands

    Model 300T2G8 To activate Sleep Mode locally: Press the MORE soft key to get to MENU 2. At MENU 2 press the SETUP soft key to get to SETUP 1. At SETUP 1 press SET to activate Sleep Mode (turn heater and fan off). The system will ask Are you sure? Press SET again.
  • Page 35 and firmware revision information that may be required by a service representative when providing technical assistance. The EXIT key returns the display to MENU 2. Event Screen - From MENU 4, S2 (labeled EVENT) provides a display of events logged by the control system. These events include AC power-up, heater warm-up, change from standby to operate, faults, and resets.

  • Page 36: Rear Panel Features (See Figure 3-4 Below)

    Model 300T2G8 REAR PANEL FEATURES (SEE FIGURE 3-4 BELOW) Figure 3-4. TWTA Rear Panel Features Table 3-2. TWTA Rear Panel Features Label Title Function 190-260 VAC IN AC power input connector REMOTE INTERFACE Remote control connector EXTERNAL INTERLOCK Connector to remote temperature switch protecting the isolator load Cooling air intake Cooling air outlet...

  • Page 37: Initial Turn On And Warm-Up Procedure

    INITIAL TURN ON AND WARM-UP PROCEDURE Install the TWTA as discussed in section 3.2. Provide an RF generator to the RF input Type N connector A1J1. Set RF generator level below -50dBm and set desired frequency in specified range. Connect a load suitable for 350 watts continuous operation to the output coax.

  • Page 38: Emergency Bypass Operation

    Model 300T2G8 EMERGENCY BYPASS OPERATION For reference, see schematic 10-24369-000 in section 5.2. The TWTA is provided with a means of operating the amplifier manually in the event that there is a failure of the control module and it is imperative that the amplifier remain on line. CAUTION: Emergency bypass operation disables external interlock and certain protective and diagnostic features.
  • Page 39 Command Function Units Response format RDTMPPSF Returns power supply temp (°F) °F PSF=[ ]F RDTMPPSC Returns power supply temp (°C) °C PSC=[ ]C RDTWTOTF Returns TWT overtemp warning setpoint (°F) °F TWTOTF=[ ]F STWTOTF Sets TWT overtemp warning setpoint (°F) °F RDTWTOTC Returns TWT overtemp warning setpoint (°C)
  • Page 40 Model 300T2G8 Table 3-4. Catalog of Status Codes (The RDSTAT command causes the TWTA to return a string in the form STATUS=[code], where [code] is an ASCII number whose meaning is given below) Status Code Meaning No command was given. Last command was successful.
  • Page 41 Table 3-6. Catalog of System State Codes (The RDLOGIC command causes the TWTA to send a string containing an operational state code consisting of 4 ASCII characters representing hex digits. The response is in the form Sys:[w][x][y][z][eol] where the hex values of [w],[x],[y] and [z]are formed as shown below) z bit Meaning...
  • Page 42 Model 300T2G8 Table 3-8. *STB?; Response Codes (The command *STB?; causes the TWTA to send a string containing an operational state code consisting of 2 ASCII characters representing hex digits. The response is in the form STATUS:[x][y][eol] where the hex values of [x] and [y] are formed as shown below) y bit Meaning...

  • Page 43: Pulsed Operation

    If remote is not enabled, set commands and commands to the system logic (i. e., OPERATE;, STANDBY;, or RESET;) will not be accepted. It is recommended that the RDSTAT command be used to provide the host program with a report on how a command was processed.

  • Page 44: 3.10 Twta General Considerations

    Cooling during Operate Mode: AR TWTAs have their air outlets and inlets on the rear panels. It is important to prevent the heated air, which is expelled from the TWTA’s air outlets, from being recycled into the air inlets.
  • Page 45 The error produced by this indication is not significant when operating near rated TWTA power levels, but may cause difficulty when trying to operate high power TWTAs at low output power levels. For example, consider a hypothetical typical NPD of –76 dBm/Hz, from a 4 GHz bandwidth amplifier. A broadband detector might see the NPD as [-76 dBm/Hz + 10 (log 4 x 10 ) BW factor = -76 + 96=] +20 dBm, or 0.1 watts.
  • Page 46 Model 300T2G8 Rev A...

  • Page 47: Maintenance

    4. MAINTENANCE The TWTA does not require routine scheduled maintenance. The only moving parts are the elements of switches, relays and blowers. Preventive maintenance is recommended in Paragraph 4.3. The TWTA is basically a factory repairable unit. However, since limited logic schematics and partial parts information is supplied in this manual (Section V) some user service organizations may choose to perform their own corrective maintenance.

  • Page 48: Troubleshooting

    Model 300T2G8 Disconnect power, RF and any other interface connectors. On the rear of the unit, remove any screws used to connect brackets to amplifier (two on each bracket). On the front of the unit, remove the four screws (two outside screws on each side) mounting the front panel to the cabinet. Carefully slide the amplifier out of the front of the cabinet.

  • Page 49: Non-Repairable Modules

    NON-REPAIRABLE MODULES The High Voltage Diode/Cap Assembly (A21455-050), the High Voltage Filter Assembly (A21461-005), the Modulator Assembly (A21422-101), and the Heater Supply (A10010-000) are encapsulated modules and are not repairable. Contact an authorized service representative if replacement modules are needed. Rev A...
  • Page 50 Model 300T2G8 Rev A...

  • Page 51: Technical Documentation

    5. TECHNICAL DOCUMENTATION The purpose of this technical documentation section is to provide a guide to the TWTA for technician-level servicing. It is intended for use by qualified technical personnel who must troubleshoot and repair the TWTA in the field. Such repairs are typically limited to replacement of modules or major components. For this reason, documentation pertaining to the highest levels of the system and to system control logic is included.

  • Page 52: Top Level Build Tree

    Model 300T2G8 TOP LEVEL BUILD TREE A28880-963 300 WATT SC-BAND TWTA AR 6U A22520-052 POWER SUPPLY FOR 200SC 1A1A1 A24357-000 HEAT SINK/MOTHER BOARD 1A1A2 A23687-001 LOW VOLTAGE POWER SUPPLY MODULE 1A1A3 A16485-000 HPA LOGIC AND CONTROL MODULE 1A1A4 A23683-000 1500W AVR CURRENT POWER FACTOR...

  • Page 53: Schematics

    SCHEMATICS 10-16485-000 HPA Logic and Control (A16485-000) 10-24369-000 Remote Control Board with Foldback (A24369-000) 10-24380-000 Microwave Power Assembly (A24380-066) 10-28880-000 HPA 200W 10 1/2" Series (A28880-963) 10-25444-000 HPA Interface (A25444-000) Rev A...
  • Page 54 Model 300T2G8 Rev A...

  • Page 55: Wiring Diagrams

    WIRING DIAGRAMS 20-22520-000 TWT Power Supply 10 1/2" Series (A22520-052) Rev A...
  • Page 56 Model 300T2G8 Rev A...

  • Page 57: Parts Lists

    HPA logic and control assembly A22520-052 S/C band power supply for TWT 5082 A24324-000 HPA system front panel assembly A24369-000 Remote control board A24380-066 Microwave power assembly A25444-000 HPA interface board A28880-963 300W SC band TWTA AR 6U Rev A...

  • Page 58: Parts List, Hpa Logic And Control Module, A16485-000

    Model 300T2G8 5.4.1 Parts List, HPA Logic and Control Module, A16485-000 REF. DESIG. ETM P/N DESCRIPTION QUANTITY B16485-000 HPA LOGIC AND CONTROL BOARD C16333-000 CAP,33MF,25V,AERL,(NICHICON UVX1E330M) C2, C5, C15, C58 C31028-000 CAP,1000PF,200VDC,10%,CER,1% FAILURE,(KEMET CKR05 SERIES W/"V" OPTION) C3, C9, C10, C13, C14, C17, C19, C31032-000 CAP,0.01MF,200VDC,10%,CER,1% FAILURE,(KEMET C21, C22, C27, C28, C30, C31,...
  • Page 59 REF. DESIG. ETM P/N DESCRIPTION QUANTITY R47, R48 R22200-000 RES,20K,1/2W,1%,MF,100PPM,(DALE RN55D) R79, R80 R22470-000 RES,47K,1/2W,1%,MF,100PPM,(DALE RN55D) R42, R60, R61, R89 R23100-000 RES,100K,1/2W,1%,MF,100PPM,(DALE RN55D) R33, R55 R23698-000 RES,698K,1/2W,1%,MF,100PPM,(DALE RN55D) R23750-000 RES,750K,1/2W,1%,MF,100PPM,(DALE RN55D) R23845-000 RES,845K,1/2W,1%,MF,100PPM,(DALE RN55D) R23953-000 RES,953K,1/2W,1%,MF,100PPM,(DALE RN55D) R12, R15 R32020-000 TRIMPOT,10K,1/2W,10%,CERMET,20T,SIDE ADJ,(BECKMAN 67X) U4, U5, U6...

  • Page 60: Parts List, Power Supply For 200Sc (Gridded), A22520-052

    Model 300T2G8 5.4.2 Parts List, Power Supply for 200SC (Gridded), A22520-052 REF DESIG. ETM P/N DESCRIPTION QUANTITY A10010-000 HEATER POWER SUPPLY MODULE A10017-051 PWM BD FOR TWT MTG-5082 ( CW + PULSE ) A16485-000 HPA LOGIC AND CONTROL MODULE A16487-001 POWER BOARD ASSY (C.MODE) A21422-101 GRID MODULATOR FOR CW HPA ( W/PULSE OPTION)

  • Page 61: Parts List, Hpa System Control Front Panel, A24324-000

    HPA DISPLAY BOARD A24369-000 REMOTE CONTROL BOARD H13029-000 PLASTIC KNOB WITH FINGER DIMPLE,(HP 01650- 47401) H17037-000 ESCUTCHEONAR2 1/2X1 1/4,(AR 1006659-1-101) H17038-000 PAL NUT FOR AR ESCUTCHEON,(AR 14048) J01031-000 CONN,MALE 3 PIN,.063,(MOLEX 03-06-20332) XJ26 J03013-000 CONN,PIN MALE,.063,(MOLEX 002-06-2103) N21564-001 DISPLAY VIEW WINDOW N22922-900...

  • Page 62: Parts List, Remote Control Board, A24369-000

    Model 300T2G8 5.4.4 Parts List, Remote Control Board, A24369-000 REF. DESIG. ETM P/N DESCRIPTION QUANTITY REV B B24369-000 REMOTE CONTROL BOARD C4-C6 C04105-000 CAP,0.1MF,100V, 20%,MON, (KEMET C331C104M1R5CA) C05223-000 CAP,2.2MF,35V,10%,SOLID SEALED TANT, RADIAL, (SPRAGUE 199D225X9035BA1) C31028-000 CAP,1000PF,200VDC,10%,CER,1% FAILURE,(KEMET CKR05 SERIES W/"V" OPTION) C31032-000 CAP,0.01MF,200VDC,10%,CER,1% FAILURE,(KEMET CKR06 SERIES W/"V"...

  • Page 63: Parts List, Microwave Power Assembly 300Sc, A24380-066

    5.4.5 Parts List, Microwave Power Assembly 300SC, A24380-066 REF. DESIG. ETM P/N DESCRIPTION QUANTITY E00888-009 CABLE,RF FLEX, 9,SMA,MALE TO MALE,20 GHZ,50 OHM,0.141 CABLE,INSULATED JACKET,[SRC 150-150-150090] E00888-015 CABLE,RF FLEX,15,SMA,MALE TO MALE,20 GHZ,50 OHM,0.141 CABLE, INSULATED JACKET, [SRC 150-150-150150] E00888-024 CABLE,RF FLEX,24,SMA,MALE TO MALE,20 GHZ,50 OHM,BLUE FEP TEFLON (DICAR EZ402-2121-24) E01167-000...

  • Page 64: Parts List, Hpa Interface Board (Plastic), A25444-000

    Model 300T2G8 5.4.6 Parts List, HPA Interface Board (Plastic), A25444-000 REF. DESIG. ETM P/N DESCRIPTION QUANTITY B25444-000 HPA INTERFACE BOARD C161 C03105-000 CAP,0.01MF,100V,CER,10%,RADIAL,(AVX SR201C103KAA) C171 C04223-000 CAP,0.22MF,35V,TANT,RADIAL, [JAMCO 33507] C20, C32, C100 C05153-000 CAP,1.5MF,35V,TANT,RADIAL,(JAMECO TM1.5/35) C129, C163 C05223-000 CAP,2.2MF,35V,10%,SOLID SEALED TANT,RADIAL,(SPRAGUE 199D225X9035BA1) C80, C81, C164 C06103-000...
  • Page 65 REF. DESIG. ETM P/N DESCRIPTION QUANTITY J16211-000 TEST JACK,BROWN,VERTICAL,(EF JOHNSON 105- 0858-001) J16212-000 TEST JACK,RED,VERTICAL,(EF JOHNSON 105-0852- 001) J16213-000 TEST JACK,ORANGE,VERTICAL,(EF JOHNSON 105- 0856-001) J16214-000 TEST JACK,YELLOW,VERTICAL,(EF JOHNSON 105- 0857-001) J16215-000 TEST JACK,GREEN,VERTICAL,(EF JOHNSON 105- 0854-001) J16216-000 TEST JACK,BLUE,VERTICAL,(EF JOHNSON 105-0860- 001) J18167-000 D-SUB,37 PIN,FEMALE,PCB MOUNT,RIGHT ANGLE...
  • Page 66 Model 300T2G8 REF. DESIG. ETM P/N DESCRIPTION QUANTITY AD524A) (SSD) U00725-000 IC,DUAL 16 BIT DIGITAL TO ANALOG CONVERTER,(BURR-BROWN DAC-725) (SSD) U03171-000 IC,ADJUSTABLE VOLTAGE REGULATOR,15W,1.5A, TO-220,(NAT LM317T) U9, U10, U18 U04090-000 IC,4CH ANALOG MULTIPLEXER,(DATEL MXD-409) DP2, DP4, DP5, DP8, DP9 U08010-000 IC,8 COMMON CATHODE CLAMPIMG DIODES,9 PIN SIP,(ROHM DAN801) DP1, DP3, DP6, DP7, DP10...
  • Page 67 REF. DESIG. ETM P/N DESCRIPTION QUANTITY RP1-RP5 U32103-000 IC,10K FEED-THROUGH RES NETWORK,16 PIN DIP,(A/B 316B103) U40008-000 REGULATOR,OIL,5V,100MA,TO-92,[MOTOROLA MC78L05ABP] U40012-000 FLIP-FLOP,OCTAL D-TYPE LATCH WITH RESET,[NATIONAL MM74HC273N] Rev A...

  • Page 68: Parts List, 300 Watt Sc Band Twta Ar 6U, A28880-963

    Model 300T2G8 5.4.7 Parts List, 300 Watt SC Band TWTA AR 6U, A28880-963 REF. DESIG. ETM P/N DESCRIPTION QUANTITY A22520-052 POWER SUPPLY FOR 200SC (GRIDDED TWT MTG- 5082H) A24324-000 HPA SYSTEM CONTROL FRONT PANEL ASSEMBLY A24380-066 MICROWAVE POWER ASSEMBLY 200SC WITH +\-2DB...

  • Page 69: Recommended Spare Parts

    RECOMMENDED SPARE PARTS A10010-000 Heater power supply module A10017-051 PWM board A16487-001 Power board assembly A21422-101 Modulator assembly A21455-050 High voltage diode/cap assembly A21461-005 High voltage filter assembly A23683-000 Power factor correction, 100-250V input A23687-001 Low voltage power supply module (220 V) E00809-000 Power supply, 28V, 150 W (Kepco FAW 28-3.5k) Y10051-000...

  • Page 70: Sample Program For Ieee-488 Communication

    Model 300T2G8 SAMPLE PROGRAM FOR IEEE-488 COMMUNICATION 1000 ! *********************************************** 1010 IEEE-488 COMMUNICATIONS SOFTWARE 1030 7/24/92 AARON D. McCLURE 1040 ! *********************************************** 1041 DIM F$[80] 1042 DIM A$[80] 1050 CLEAR SCREEN 1060 INPUT "INPUT COMMAND TO SEND TO POWER SUPPLY. EXIT TO QUIT.",A$ 1070 IF A$="EXIT"...
  • Page 71 These modules are not field- repairable and should never be opened outside of AR’s Microelectronics Lab. The modules in these product lines have a security label on two sides of the modules between the housing and lid/cover. If the security label is removed and or cut, the warranty of the module will be voided.

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