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Model 1000T2G8B 

36 

Rev - 

Summary of Contents for 1000T2G8B

Page 1: ...Operating and Service Manual 1000T2G8B Model 10013175 Part Number Serial Number 160 School House Road Souderton PA 18964 215 723 8181 Fax 215 723 5688 www ar worldwide com...

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Page 3: ...EEC EMC Directive 89 336 EEC in accordance with Article 10 2 of the directive with the provision that the user must install the equipment as directed by the Instructions for European EMC Conformity in...

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Page 5: ...ein um die Emissionsspezifkation einzuhalten Es werden folgenden Minimalwerte der Schirmd mpfung und Filterung in den unterschiedlichen Leistungsklassen empfohlen Hochfrequenzleistung min Schirmd mpfu...

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Page 7: ...y ground of sufficient size to the input wiring terminals power cord or supplied power cord set The equipment MUST NOT BE USED if this protection is impaired PHYSICAL DAMAGE The RF amplifier should no...

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Page 9: ...al before you undertake to operate service or modify this machine Any variance or modification should be noted dated and initialed in the discrepant part of all manuals on hand for future reference If...

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Page 11: ...t Panel Display and Soft Keys 12 3 5 Rear Panel Features 16 3 6 Initial Turn On and Warm up Procedure 17 3 7 Remote IEEE 488 Operation 18 3 8 TWTA General Considerations 23 5 MAINTENANCE 27 4 1 Safety...

Page 12: ...5 5 6 Sample Program for IEEE 488 Communication 56 FIGURES 3 1 TWTA Front Panel Features 10 3 2 Front Panel Display Screens 12 3 3 TWTA Rear Panel Features 16 TABLES 3 1 Front Panel Features 11 3 2 Re...

Page 13: ...ly 63 inches high including castors and lifting eyes 22 inches wide at the base and 33 inches deep at the base excluding projecting rear panel connectors Primary power is 190 255 volts 50 60 Hz three...

Page 14: ...Model 1000T2G8B 2 Rev 1 5 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...

Page 15: ...cooled broadband traveling wave tube TWT microwave amplifier designed for applications where instantaneous bandwidth high gain and high power output are required Reliable TWT subsystems provide a con...

Page 16: ...load impedance May oscillate with unshielded open due to coupling to in put Should not be tested with connector off MODULATION CAPABILITY Will faithfully reproduce AM FM or pulse modulation appearing...

Page 17: ...1000 watts minimum from 3 7 GHz 1000T2G8BM4 See Individual Specification Sheet Version offers 400 Hz primary power and a blanking input 1000T2G8BM5 See Individual Specification Sheet Version offers r...

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Page 19: ...y an address byte in the data stream from the microprocessor To make the connections between various chassis backpanels the fiberoptic data is converted to twisted shielded pairs by line driver receiv...

Page 20: ...has a 400 Hz cooling fan and a fan inverter A23692 000 The power supply assembly is of modular construction Low voltage power for logic and control of the entire power supply assembly is provided by...

Page 21: ...s present in microwave tube amplifiers in general and with this equipment in particular Never handle the TWT leads or the high voltage connectors unless the unit has been unplugged and it has been pos...

Page 22: ...out of the rack at the same time Although unlikely the weight of the drawers assemblies may cause the rack to tip over 3 2 3 Cooling Requirements The TWTA is provided with a number of cooling fans It...

Page 23: ...lt in RF output if the TWTA is operated without a load The VSWR detection and foldback circuit is provided to protect the tube from progressive failure or mismatch of the output load it should not be...

Page 24: ...personnel protection The intent of the external interlock feature is to disable the RF output for equipment protection Use proper operating and safety procedures to ensure that power is removed for p...

Page 25: ...ton terminates various menu selection routines and returns to the previous menu level 6 9 S1 S4 Soft Key push buttons various menu selection functions 10 Display Displays numerous parameter values and...

Page 26: ...mber of informational screens are programmed It is important for the operator to be able to select the screen with the required information Screen selection is accomplished by pressing an appropriate...

Page 27: ...hat screen will be displayed Use the ADJUST knob to scroll through the message The EXIT key will return you to the screen from which the help screen was called Setup Screens From MENU 2 S1 labeled SET...

Page 28: ...at which the beep sounds the actual maximum reverse power level that generates a system fault is set in hardware in the TWT power supply HPA Logic and Control module A16485 MORE brings up WARNINGS 4 w...

Page 29: ...ill remain on during these faults Once the fault is corrected the fault will clear and the system will turn RF back on automatically This automatic return to operation is provided for selected faults...

Page 30: ...Model 1000T2G8B 16 Rev 3 5 REAR PANEL FEATURES Figure 3 3 Rear Panel Features...

Page 31: ...delay is active Allow the heater warm up delay to expire Line three will indicate OFF READY CAUTION Do not allow the TWTA to remain in the STANDBY state for extended periods of time If the TWTA will n...

Page 32: ...s gain adjustment and control unit status The following tables summarize the commands and the return codes Table 3 3 Catalog of IEEE 488 Commands Command Function Units Response format RDSTAT Returns...

Page 33: ...ain RDHTDREM Returns remaining heater time delay sec HTD s RDPOD Returns forward power out dBm dBm Po dBm RDPOW Returns forward power out W watts Po W RDPRD Returns reverse power out dBm dBm Pr dBm RD...

Page 34: ...mand not allowed 901 Assert error invalid table argument 902 Assert error invalid table argument Please call a service representative if you observe this error Table 3 5 Catalog of Fault Codes The RDF...

Page 35: ...red 5 Under forward power warning 6 Foldback active 7 MSB Inhibit mode x bit Meaning 8 LSB External inhibit 9 Interlock open 10 not used 11 MSB not used w bit Meaning 12 LSB not used 13 Sleep Mode Act...

Page 36: ...uto off time delay 3 2 0 hour heater auto off time delay 4 2 5 hour heater auto off time delay 5 3 0 hour heater auto off time delay Command syntax is in this form command mnemonic parameter carriage...

Page 37: ...if required Though service life is not improved by periodic operation users experiencing amplifier trip due to body over current may benefit by periodically operating a unit with high voltage and gri...

Page 38: ...lector or high voltage is applied to the collector but the grid is off This is the normal state after a tube s warm up time just prior to entering the Operate mode In this state the cathode end of the...

Page 39: ...y of the pulsing until the unit will operate continuously Note that a similar condition can exist for tubes with grids when the TWTA is in the Operate mode high voltage is on but gating control input...

Page 40: ...Model 1000T2G8B 26 Rev...

Page 41: ...and with this equipment in particular Never handle the TWT leads or the high voltage connectors unless it has been positively established that the high voltage filter capacitors have been discharged t...

Page 42: ...ve any other cables 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 unit out of the front of the cabinet Dep...

Page 43: ...pply module No high voltage Keylock switch on INHIBIT or REMOTE Defective high voltage power supply Voltages normal but no RF output helix current low No RF input Defective SSA Gain turned down After...

Page 44: ...Model 1000T2G8B 30 Rev...

Page 45: ...cian 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 majo...

Page 46: ...Model 1000T2G8B 32 Rev...

Page 47: ...5 A23719 000 H BRIDGE BOARD FOR 2000W LOAD SIMILAR TO 1A2 A3A1A5L1 A09405 000 INDUCTOR 1A2 A3A1A5T1 E42 A09402 000 XFMR GATE DRIVE HAND WOUND 1A2 A3A1A5T2 E41 A09403 000 XFMR GATE DRIVE HAND WOUND 1A2...

Page 48: ...ROL ASSY 20 CIJ 50X 1A4A1A1 A25450 000 CPU BOARD W POWERFAIL 20MHZ 1A4A1A2 A25425 000 HPA DISPLAY BOARD 1A4A1A3 A22488 003 GPIB INTERFACE BOARD 3U TWT PRODUCTS 1A4A3 A21175 000 DATA STEERING BOARD 7 P...

Page 49: ...830 002 Remote Control Board Foldback only A24830 002 10 25444 000 HPA Interface A25444 000 10 27444 000 Switcher Combiner Interface Board A27444 001 10 28005 001 RF Combiner SC band A28005 004 10 280...

Page 50: ...Model 1000T2G8B 36 Rev...

Page 51: ...Model 1000T2G8B Rev 37 5 3 BLOCK DIAGRAM 25 28005 000 RF Combiner for L Band A28005 004...

Page 52: ...Model 1000T2G8B 38 Rev...

Page 53: ...for TWT 5196 A24830 002 Emergency Bypass Board A25444 000 HPA interface A27444 001 Switcher Combiner Interface Board A27995 003 Combiner RF Components 1000T SC A28002 304 1000 W TWTA S C Band 208VAC...

Page 54: ...16SST 6 J2 J10370 000 CONN 37 PIN MALE D SUB PCB RIGHT ANGLE AMP 747252 4 2 J18075 000 MALE SCREW LOCK FOR D SUBMIN CONN AMP 205817 1 2 J4 J5 J18086 000 CONN SMA JACK RECEPTACLE RIGHT ANGLE 0 18GHZ PC...

Page 55: ...3K 1 2W 1 MF 100PPM DALE RN55D 2 R12 R15 R32020 000 TRIMPOT 10K 1 2W 10 CERMET 20T SIDE ADJ BECKMAN 67X 4 U4 U5 U6 U02390 000 IC QUAD COMPARATOR NAT LM139J 6 U7 U03240 000 IC LOW POWER OP AMP NAT LM32...

Page 56: ...AND CONTROL MODULE 2 A8 A21422 000 GRID MODULATOR MODULE 2 A6A A21425 296 DIODE CAP ASSY FOR TWT 5296 2 A6 A21425 500 DIODE CAP ASSY FOR TWT MEC5196 2 A7 A21461 500 HV FILTER FOR 5196 2 A4 A23683 000...

Page 57: ...VERTICAL EF JOHNSON 105 0856 001 1 J2 J18086 000 CONN SMA JACK RECEPTACLE RIGHT ANGLE 0 18GHZ PC MOUNT JOHNSON COMPONENTS 142 0701 301 1 J1 J31055 000 CONN D SUB 15 PIN FEMALE STRAIGHT PCB MOUNT AMPH...

Page 58: ...105 107 108 109 110 111 112 113 114 115 116 117 121 125 132 167 1 2 3 4 5 C31036 000 CAP 0 1MF 100VDC 10 CER 1 FAILURE KEMET CKR06 SERIES W V OPTION 122 C12 C14 C21 C27 C29 C31 C34 C36 C38 C17 C18 C19...

Page 59: ...R22332 000 RES 33 2K 1 2W 1 MF 100PPM DALE RN55D 2 R3 R5 R30071 000 TRIMPOT 10K 1 2W 10 CERMET 100PPM 20T TOP ADJ BECKMAN 67W 4 R9 R12 R15 R22 R35 R36 R40 R44 R45 R30103 000 RES 10K 1 8W 1 MF AXIAL 10...

Page 60: ...TER 74HC40103 SSD 2 U43 U26889 000 IC 8 BIT MAGNITUDE COMPARATOR 74HCT688 SSD 2 U22 U24 U57 U28008 000 IC QUAD 2 INPUT AND 74HC08 SSD 6 U4 U49 U58 U28032 000 IC QUAD 2 INPUT OR 74HC32 SSD 6 U44 U46 U2...

Page 61: ...16 15 14 11 9 8 7 6 3 2 C31036 000 CAP 0 1MF 100VDC 10 CER 1 FAILURE KEMET CKR06 SERIES W V OPTION 56 145 135 134 133 128 127 126 125 124 122 121 120 119 117 116 115 114 113 107 106 105 104 103 102 10...

Page 62: ...F 3 RP4 RP8 RP14 R32104 000 RES NET 100K 200MW 1 FILM 7 RES PCB MNT 0 01PPM DALE MSP08A 01 1003F 3 U1 U13 U00027 000 IC ULTRA LOW NOISE PRECISION OP AMP ANALOG DEVICES OP27GP 2 U64 U00029 000 CONVERTE...

Page 63: ...40 SSD 2 U12 U26 U27 U39 U49 U54 U56 U28074 000 IC DUAL D FLIP FLOP W RESET 74HC74 SSD 7 U33 U28123 000 IC DUAL RETRIGGERABLE 1 SHOT 74HC123 SSD 1 U4 U6 U19 U28164 000 IC 8 BIT SERIAL IN PARALLEL OUT...

Page 64: ...SUB MINATURE INMET 18A 10 1 A4 E20131 000 LINE STRETCHER DC 18GHZ ARRA 9428T MF 1 A19 E20245 000 DIRECTIONAL COUPLER 10DB 2 8 GH8 MAC TECH C2045 10 1 D1 D2 E20284 000 ZERO BIAS SCHOTTKY DETECTOR 10MHZ...

Page 65: ...28005 004 RF COMBINER ASSY SC BAND CONTINUOUS FRONT PORTS 1 A4 A28010 300 CONTROL UNIT 1000T 380VAC 3 PHASE AR 1 A2 A3 A28012 000 1000T S C BAND P S 2 A8 A7 A28014 000 TWT CONTROL CABLE 2 A9 A28015 00...

Page 66: ...44 001 1000T COMBINER VPC INTERFACE BOARD COMPONENT SIDE CONNECTORS 1 A1 A27995 003 COMBINER RF COMPONENTS 1000T SC BAND WG OUTPUT TWT NO SUBBAND SWITCHING WITH INT COMBINER ASSY 1 A9 A27998 000 COMBI...

Page 67: ...ER 3 A10 A28045 000 CONTROL MODULE CABINET ASSY AR 1000T 380VAC 1 A9 A28046 000 CONTROL MODULE WIRING KIT 1 A2 E00765 000 P S 85 264VAC 47 440HZ TO 5VDC 3 0A KEPCO FAW 5 3K CA 24 1 A8 E00810 000 POWER...

Page 68: ...CRIPTION QUANTITY A4 A23692 000 INSULATED FAN DRIVER 2 A1 A24801 501 3U POWER SUPPLY FOR TWT 5196 1 PHASE 2 A3 A25444 000 HPA INTERFACE BOARD PLASTIC FIBERS 2 A10 A27772 000 1000T S C BAND CABINET ASS...

Page 69: ...le A21422 000 Grid Modulator Assembly A21461 500 HV Filter A21425 500 Diode Cap Assembly A16487 000 Power Board Assembly A23687 001 Low Voltage Power Supply Module A23683 000 Average Current Power Fac...

Page 70: ...ON 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 THEN 1130 1080 OUTPUT 701 A 1090 IF A 1 2 RD THEN GOTO 10...

Page 71: ...e responsibility in fulfilling these warranties shall be to repair or replace any goods which do not conform to the foregoing warranties or at seller s option to give buyer credit for defective goods...

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