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AR 10006031, Руководство по эксплуатации и обслуживанию

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Modular design of the power supply and RF 

components allow for easy access and repair. 
Use of a switching mode power supply results 
in significant weight reduction. 
Housed in a stylish contemporary cabinet, this 
unit is designed for benchtop use but can be 
removed from cabinet for rack mounting. The 
Model 200T4G8 provides readily available RF 

power for a variety of applications in Test and 
Measurement, (including EMC RF susceptibility 
testing), Industrial and University Research and 
Development, and Service applications. 
See Model Configuration for package alterna-
tives. 
The export classification for this equipment is 
EAR99.  These commodities, technology or 

software are controlled for export in accord-
ance with the U.S. Export Administration Regu-
lations. Diversion contrary to U.S. law is pro-
hibited. 

The Model 200T4G8 is a self contained, 

forced air cooled, broadband traveling wave 
tube (TWT) microwave amplifier designed for 
applications where instantaneous bandwidth 
and high gain are required. A reliable 250 
watt TWT provides a conservative 200 watts 

minimum at the amplifier output connector. 
Stated power specifications are at the funda-
mental frequency. 
The amplifier's front panel digital display 
shows forward and reflected output plus exten-
sive system status information accessed 
through a series of menus via soft keys. Status 

indicators include power on, warm-up, 
standby, operate, faults, excess reflected power 
warning and remote. Standard features in-
clude a built-in IEEE-488 (GPIB) interface, 0 
dBm input, VSWR protection, gain control, RF 

output sample port, plus monitoring of TWT 
helix current, cathode voltage, collector volt-
age, heater current, heater voltage, baseplate 
temperature and cabinet temperature.  

Features 

Specifications 

200T4G8 



M1, M3–M5 



200 Watts CW  



4GHz–8GHz 

AR RF/Microwave  
Instrumentation 
160 School House Rd 

Souderton, PA 18964 
215-723-8181 
 

For an applications engi-
neer call:800.933.8181

  

 

www.arworld.us 

 

 

Содержание 10006031

Страница 1: ...Operating and Service Manual 200T4G8 Model 10006031 Part Number Serial Number 160 School House Road Souderton PA 18964 215 723 8181 Fax 215 723 5688 www arworld us...

Страница 2: ......

Страница 3: ...h the requirements of the EEC EMC Directive 89 336 EEC in accordance with the relative standards listed below EMC EN 50081 1 EN 50082 1 prEN 50082 1 EN 55022 1987 Class A IEC 1000 4 2 1995 4kV Air Dis...

Страница 4: ......

Страница 5: ...clearance on all vented sides of the equipment to permit the airflow required for proper ventilation Do not restrict airflow into the equipment by blocking any vents or air intakes Restricting airflow...

Страница 6: ...a assembly may be heavy requiring two persons to lift Use caution when installing or removing unit Follow all equipment setup and lifting instructions specified in this document Ensure connectors are...

Страница 7: ...quency with Gain set to 100 apply RF drive that will provide rated power This will help indicate if the gain or power is changing and if the traveling wave tube or pre amp needs service Record the fol...

Страница 8: ......

Страница 9: ...Soft Keys 12 3 5 Rear Panel Features 16 3 6 Initial Turn On and Warm up Procedure 17 3 7 Emergency Bypass Operation 18 3 8 Remote IEEE 488 Operation 18 3 9 TWTA General Considerations 23 4 MAINTENANCE...

Страница 10: ...eens 12 Figure 3 4 TWTA Rear Panel Features 16 Table 1 1 Specifications for Model 200T4G8 2 Table 1 2 Model Configurations 3 Table 3 1 Front Panel Features 11 Table 3 2 TWTA Rear Panel Features 16 Tab...

Страница 11: ...les Primary power is 190 260 volts 50 60 Hz single phase An efficient switching power supply design provides minimum power consumption A fast regulation control loop and a high degree of filtering ens...

Страница 12: ...Model 200T4G8 2 Rev F...

Страница 13: ...dband traveling wave tube TWT microwave amplifier designed for applications where instantaneous bandwidth and high gain are required A reliable 250 watt TWT provides a conservative 200 watts minimum a...

Страница 14: ...s 4 dBc maximum Minus 7 0 dBc typical PRIMARY POWER 190 260 VAC 50 60 Hz single phase 2 0 KVA maximum CONNECTORS RF input Type N female on rear panel RF output Type N female on rear panel RF output sa...

Страница 15: ...fier E30069 000 The type N RF input connector is located on the rear panel The RF input is fed to the input connector on the solid state preamp The solid state preamp s output drives the RF input of t...

Страница 16: ...WT DC heater The high voltage power supply consists of the following the Power Factor Correction module A23683 000 converts line voltage to DC for the high voltage switching supply Switching transisto...

Страница 17: ...nt 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 positively...

Страница 18: ...onnect transport brackets to amplifier two on each bracket Reinstall screws in holes in chassis On the front of the unit remove the four screws two outside screws on each side mounting the front panel...

Страница 19: ...equipment in the same rack especially below the TWTA Failure to provide adequate cooling can result in the unit shutting down from over temperature conditions The TWTA dissipates approximately 1 5 kil...

Страница 20: ...nector J3 If no external isolator is used install a jumper between pins 3 and 4 See section 3 2 6 External Interlock Connector below 3 2 6 External interlock connector The TWTA is provided with extern...

Страница 21: ...tton biases grid off and turns off high voltage 4 ADJUST Rotary knob used as an input device to change values of a variety of parameters 5 EXIT Push button terminates various menu selection routines a...

Страница 22: ...nformational 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 soft key...

Страница 23: ...pply and put the HPA into Sleep Mode see below Pressing S1 SET toggles between ON and OFF Pressing MORE again brings up the SETUP 2 screen which allows the user to change the Auto Sleep Mode timer set...

Страница 24: ...In the event that the alarm is heard the operator should go to MENU 1 to determine the cause Pressing more brings up WARNINGS 2 which allows the under forward power setpoint to be entered Adjusting t...

Страница 25: ...4 brings back the MENU screens Line 3 of MENU 1 which normally displays the operational state of the TWTA is used as a fault display line until the fault is cleared When the fault clears the system wi...

Страница 26: ...VAC IN AC power input connector 2 REMOTE INTERFACE Remote control connector 3 EXTERNAL INTERLOCK Connector to remote temperature switch protecting the isolator load 4 Cooling air intake 5 Cooling air...

Страница 27: ...ory are logged on the test data sheet Push the OPERATE push button You will now see the cathode and the collector voltages rise Verify that the grid collector and cathode voltages are near nominal The...

Страница 28: ...t as well This is a flat square single turn pot R1 CAUTION Do not adjust 20 turn pot R11 its function is to set the foldback VSWR level and it is calibrated at the factory 3 8 REMOTE IEEE 488 OPERATIO...

Страница 29: ...m dBm Pr dBm RDPRW Returns reverse power out W watts Pr W RDPOHID Returns over forward power warning setpoint dBm dBm Pohi dBm SPOHID Sets over forward power warning setpoint dBm dBm RDPOLOD Returns u...

Страница 30: ...have remote enabled 51 Remote system is not ready to accept commands 60 Command is not allowed in current system state 901 Assert error invalid table argument 902 Assert error invalid calibration Ple...

Страница 31: ...r time delay expired 5 Under forward power warning 6 Foldback active 7 MSB Inhibit mode x bit Meaning 8 LSB External inhibit 9 Interlock open 10 ALC 11 MSB not used w bit Meaning 12 LSB not used 13 Sl...

Страница 32: ...hour heater auto off time delay 2 1 5 hour heater auto 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...

Страница 33: ...ic operation Availability For critical missions and after long periods of storage it is recommended that TWTA operation be checked sufficiently in advance of the mission to permit repair if required T...

Страница 34: ...loss for radiated fields may be used to lower the noise received by the broadband measurement device Explanation of Limiting the Time in Standby mode and of Repeated Operate Selection Traveling wave t...

Страница 35: ...users should reduce the likelihood of occurrence of this problem by limiting the amount of time in the Standby mode The service measures involve pulsing of the tube beam current and gradually increas...

Страница 36: ...Model 200T4G8 26 Rev F...

Страница 37: ...vely established that the high voltage filter capacitors have been discharged to a known safe level CAUTION A malfunctioning power supply can cause damage to the TWT If you are troubleshooting the TWT...

Страница 38: ...ds Remove any dirt from around the five high voltage connectors While the cover is off check for loose wires components or fasteners Reassemble in reverse order 4 4 TROUBLESHOOTING Symptom Possible Ca...

Страница 39: ...h the internal mechanical construction to permit correct re assembly Limited troubleshooting may be conducted with caution based on the failure symptom and an understanding of the logic schematic diag...

Страница 40: ...Model 200T4G8 30 Rev F...

Страница 41: ...ended 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 d...

Страница 42: ...y 1A1A8A1 A10008 000 Anode HV Assy 1A1A8A1T1 A09407 000 Pulse Top XFMR for L Band 1A1A8A1T2 A09228 000 Feedback XFMR Hand Wound 1A1A8A2 A10009 000 Modulator Control 1A1A9 A10010 000 Heater Power Suppl...

Страница 43: ...000 HPA Logic and Control A16485 000 10 24369 000 Remote Control Board with Foldback A24369 000 10 24380 000 Microwave Power Assembly A24380 030 10 28880 000 HPA 200W 10 1 2 Series A28880 932 10 25444...

Страница 44: ...Model 200T4G8 34 Rev F...

Страница 45: ...Model 200T4G8 5 3 WIRING DIAGRAMS 20 22520 000 TWT Power Supply 10 1 2 Series A22520 090 Rev F 35...

Страница 46: ...Model 200T4G8 36 Rev F...

Страница 47: ...ontrol Assembly A22520 090 C Band Power Supply for TWT 5889 A24324 000 HPA System Front Panel Assembly A24369 000 Remote Control Board A24380 030 Microwave Power Assembly A25444 000 HPA Interface Boar...

Страница 48: ...SUB PCB RIGHT ANGLE AMP 747252 4 1 J18075 000 MALE SCREW LOCK FOR D SUBMIN CONN AMP 205817 1 1 J4 J5 J18086 000 CONN SMA JACK RECEPTACLE RIGHT ANGLE 0 18GHZ PC MOUNT JOHNSON COMPONENTS 142 0701 301 2...

Страница 49: ...R15 R32020 000 TRIMPOT 10K 1 2W 10 CERMET 20T SIDE ADJ BECKMAN 67X 2 U4 U5 U6 U02390 000 IC QUAD COMPARATOR NAT LM139J 3 U7 U03240 000 IC LOW POWER OP AMP NAT LM324 1 U9 U10070 000 REFERENCE PRECISIO...

Страница 50: ...E 1 A11 A10017 090 PWM BOARD 1 A3 A16485 000 HPA LOGIC AND CONTROL MODULE 1 A5 A16487 001 POWER BOARD ASSY C MODE 1 A6 A21425 090 HIGH VOLTAGE DIODE CAP ASSY FOR TWT 5889 1 A7 A21457 001 HV FILTER MOD...

Страница 51: ...00 PAL NUT FOR AR ESCUTCHEON AR 14048 2 J26 J01031 000 CONN MALE 3 PIN 063 MOLEX 03 06 20332 1 XJ26 J03013 000 CONN PIN MALE 063 MOLEX 002 06 2103 3 N21564 001 DISPLAY VIEW WINDOW 1 XA2 N22922 900 COV...

Страница 52: ...ERTICAL EF JOHNSON 105 0852 001 1 TP3 J16213 000 TEST JACK ORANGE VERTICAL EF JOHNSON 105 0856 001 1 J2 J4 SEE NOTE J18086 000 CONN SMA JACK RECEPTACLE RIGHT ANGLE 0 18GHZ PC MOUNT JOHNSON COMPONENTS...

Страница 53: ...SCO MDC8065 14 1 E20066 000 ATTENUATOR 10DB 2W DC 18GHZ OMNI SPECTRA 2082 6147 10 1 W3 E20101 000 CABLE ASSY FLEX COAXIAL 0 410 OD 22 N PLUGS STORM 90 078 022 1 E20130 000 ADAPTER SMA MALE TO SMA FEMA...

Страница 54: ...6 117 121 125 132 167 C31036 000 CAP 0 1MF 100VDC 10 CER 1 FAILURE KEMET CKR06 SERIES W V OPTION 61 C12 C14 C21 C27 C29 C31 C34 C36 C38 C17 C18 C19 C37 C54 C55 C56 C57 C58 C59 C60 C61 C118 C119 C120 C...

Страница 55: ...K 1 2W 10 CERMET 100PPM 20T TOP ADJ BECKMAN 67W 2 R9 R12 R15 R22 R35 R36 R40 R44 R30103 000 RES 10K 1 8W 1 MF AXIAL 100PPM DALE CMF 50 RN50C1002F 9 R17 R19 R20 R21 R23 R25 R28 R31 R42 R43 R46 R18 R301...

Страница 56: ...GNITUDE COMPARATOR 74HCT688 SSD 1 U22 U24 U57 U28008 000 IC QUAD 2 INPUT AND 74HC08 SSD 3 U4 U49 U58 U28032 000 IC QUAD 2 INPUT OR 74HC32 SSD 3 U44 U46 U28040 000 IC 12 BIT DECADE COUNTER 74HCT4040 SS...

Страница 57: ...ONTROL FRONT PANEL ASSEMBLY 1 A2 A24380 030 MICROWAVE POWER ASSEMBLY 200C 1 A9 A24381 030 HPA CABINET 200C 10 1 2 SERIES DO NOT KIT 1 A6 A24382 000 COOLING SYSTEM 10 1 2SERIES 1 A5 A25444 000 HPA INTE...

Страница 58: ...87 001 Power board assembly A21457 001 High voltage filter assembly A21425 090 High voltage diode cap assembly A23683 000 Power factor correction 100 250V input A23687 001 Low voltage power supply mod...

Страница 59: ...URE 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 1060 1095 I...

Страница 60: ...Model 200T4G8 50 Rev F...

Страница 61: ...cover If the security label is removed and or cut the warranty of the module will be voided Vacuum tubes in the L series amplifiers traveling wave tubes in TWT amplifiers and power heads will be free...

Страница 62: ......

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