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AR 10013130, Руководство по эксплуатации и обслуживанию

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EC Declaration of Conformity 

We; 

AR RF/Microwave Instrumentation 
160 School House Road 
Souderton, PA  18964 

declare that our product; 

the Model 2000TP2G8B amplifier 

to which this declaration relates is in compliance with the requirements of the EEC EMC 
Directive (89/336/EEC) and Low Voltage Directive (73/23/EEC) in accordance with the 
relative standards listed below: 

EMC: 

EN 50082-1: 1992 

Electromagnetic compatibility – Generic immunity standard 

EN 50081-1: 1992 

Electromagnetic emissions requirements for Industrial, Scientific, and 
Medical (ISM) Equipment 

Safety: 
EN 60950 (1995) 

The CE marking is affixed on the device according to the EC Directives. 

Donald R. Shepherd 
President 

Содержание 10013130

Страница 1: ...Operating and Service Manual 2000TP2G8B Model 10013130 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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Страница 3: ...ts of the EEC EMC Directive 89 336 EEC and Low Voltage Directive 73 23 EEC in accordance with the relative standards listed below EMC EN 50082 1 1992 Electromagnetic compatibility Generic immunity standard EN 50081 1 1992 Electromagnetic emissions requirements for Industrial Scientific and Medical ISM Equipment Safety EN 60950 1995 The CE marking is affixed on the device according to the EC Direct...

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Страница 5: ...ty 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 not be operated if there is physical damage missing hardware or missing panels MAINTENANCE CAUTION Adjustment maintenance or repair of the equipment must be performed only by qualified personnel Hazard...

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Страница 7: ...fications to the machine may have been made use this information only as a guide Carefully compare the unit s actual configuration and operation to the descriptions in this manual 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 you have technical or ...

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Страница 9: ...onnection 13 3 3 Front Panel Features 14 3 4 Front Panel Display and Soft Keys 15 3 5 Rear Panel Features 19 3 6 Initial Turn On and Warm up Procedure 20 3 7 Remote IEEE 488 Operation 21 3 8 TWTA General Considerations 27 4 MAINTENANCE 29 4 1 Safety Warning 29 4 2 Unauthorized Repairs 29 4 3 Preventive Maintenance 29 4 4 Troubleshooting 30 4 5 Non Repairable Modules 30 5 TECHNICAL DOCUMENTATION 31...

Страница 10: ...IGURES 3 1 Mounting Support Holes 10 3 2 Front Panel Features 14 3 3 Front Panel Display Screens 15 3 4 Rear Panel Features 19 TABLES 3 1 Front Panel Features 14 3 2 Rear Panel Features 19 3 3 Catalog of IEEE 488 Commands 22 3 4 Catalog of Status Codes 24 3 5 Catalog of Fault Codes 24 3 6 Catalog of System State Codes 25 3 7 Catalog of STA Response Codes 25 3 8 Catalog of STB Response Codes 26 3 9...

Страница 11: ...amplifier is 8 75 inches high and the overall unit is 25 inches deep excluding the rear panel connectors Primary power is 190 260VAC 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 ensure performance within specifications over a wide range of operating conditions The amplifier is fully...

Страница 12: ...Model 2000TP2G8B 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 ...

Страница 13: ... excess average or peak reflected power warning and remote Standard features include a built in IEEE 488 GPIB interface 0dBm input TTL Gating VSWR protection gain control RF output sample port auto sleep plus monitoring of TWT helix current cathode voltage collector voltage heater current heater voltage baseplate temperature and cabinet temperature Modular design of the power supply and RF compone...

Страница 14: ... to RF 90 Pulse Width Distortion 30 ns maximum 50 point of output pulse width compared to 50 points of input pulse width Pulse Off Isolation 80 dB minimum 90 dB typical Pulse Input TTL Level 50 Ohm nominal termination NOISE POWER DENSITY pulse on Minus 70 dBm Hz maximum minus 72 dBm Hz typical pulse off Minus 140 dBm Hz typical HARMONIC DISTORTION Minus 0 dBc maximum Minus 1 5 dBc typical PRIMARY ...

Страница 15: ...rs is maximum 1 5 dB See TF Type Filter Specifications table below Add filter weights plus add 1 kg 2 lbs for switch kit Model Number Features 2000TP2G8B E S 2000TP2G8B E1 2000TP2G8B M1 E2 2000TP2G8BM2 E2S 2000TP2G8BM3 E1 S2K 2000TP2G8BM4 E2 S2K 2000TP2G8BM5 E2S S2K S2K TF FILTER TYPE SPECIFICATIONS Microwave Filter Model For Use with AR TWTA Model Pass Band GHz Insertion Loss dB max Reject Band G...

Страница 16: ...6 Rev ...

Страница 17: ...oupler The RF Output connector on the rear panel is Type N female An optional external harmonic filter switch assembly may be used to further reduce harmonic power in a sub band The TWTA output connects to the input of a two position switch via a coax cable Switching is controlled locally through the TWTA front panel or remotely over the TWTA s GPIB interface The switch routes the RF to the approp...

Страница 18: ... power supply assembly is provided by the low voltage power supply module A23687 001 Control logic and TWT protection circuits are contained in the HPA Logic and Control Assembly A16485 000 The Heater Power Supply Module A10010 000 powers the TWT DC heater Bias and pulse top voltage for the TWT grid are provided by the Modulator Assembly A23684 101 The high voltage power supply consists of the fol...

Страница 19: ...plugged and it has been positively established that the high voltage filter capacitors have been discharged to a known safe level WARNING Safety Ground Improper grounding of this equipment can result in electric shock The TWTA must be operated only with a line cord with a safety ground wire It is the user s responsibility to ascertain that the power connector is properly wired and that the power o...

Страница 20: ...he unit remove all of the screws holding the front panel to the cabinet Carefully slide the entire amplifier out of the front of the cabinet CAUTION Never rack mount the TWTA using the front panel alone The chassis is likely to be damaged unless its weight is supported Bottom support rails or side slide rails must be used in a rack mount configuration See Figure 3 1 below for the locations of thre...

Страница 21: ...lower duty cycles result in much lower total power dissipation 3 2 4 AC Line Power Connections AC line power connection to the amplifier is made at the Power Supply AC inlet J1 which is a female IEC 320 connector A line cord suitable for the type of AC outlet used and consistent with local electrical codes must be obtained to mate with J1 Minimum wire size for the line cord is 14 gauge The amplifi...

Страница 22: ...ure is to disable the RF output for equipment protection Use proper operating and safety procedures to ensure that power is removed for personnel safety When an optional external harmonic filter switch assembly is installed the switch control is via the same external interlock connector The interlock function operates as described above with access via the plug P1 on the switch control cable 3 2 7...

Страница 23: ... pass band for the filter Band Frequency range Low 2 5 to 4 6 GHz High 4 6 to 7 5 GHz 3 2 8 1 Assembly Instructions for Harmonic Filter Switching Kit 2 Filters The Harmonic Filter Switching Kit can be used connected to the TWTA or either filter can be removed from the kit and used individually To assemble the kit to the TWTA connect the coax cable E01036 000 to the RF output connector of the TWTA ...

Страница 24: ...n 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 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 fault messages 11 Keylock Switch Allows operator t...

Страница 25: ...number 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 soft key or by pressing the EXIT key When a soft key is active its function is displayed on the bottom line of the display Figure 3 3 provides a roadmap for navigating between the screens Figure 3 3...

Страница 26: ...x current Iw Help Screens On each of the menu screens soft key S3 is labeled HELP If S3 is selected a message describing the functions of that 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 SETUP selects the first of several setup screens SETUP 1 This al...

Страница 27: ... 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 peak power setpoint to be entered Adjusting this to the minimum value causes OFF to be selected disabling this alarm In WARNINGS 3 the maximum reverse peak power level is set Note that these are warning levels at which the beep sounds the actual maximum reve...

Страница 28: ...em will automatically resume the standby state and operate on will be enabled once again Some faults O PLS WIDTH OVER DUTY and EXTERNAL INHIBIT will turn off RF while the fault is being displayed on the screen HV will remain on during these faults Once the fault is corrected the fault will clear and the system will turn RF back on automatically Factory Service Screens A number of screens intended ...

Страница 29: ...control connector 24 pin hermaphrodite 3 Cooling air intake 4 Cooling air outlet 5 RF INPUT Type N female connector 6 RF SAMPLE OUT Type N female connector 7 RF OUT Type N female connector 8 EXTERNAL INTERLOCK SWITCH CONTROL Connector to remote temperature switch protecting the isolator or load Connector for optional RF switch control cable D sub 15 pin female 9 PULSE GATE External pulse input BNC...

Страница 30: ...equency in specified range Connect a load suitable for 200 watts continuous operation to the RF output The load VSWR should be less than 2 0 1 A power meter and suitable attenuators may be connected to the RF reverse power sample port The RF sample port calibration factors on the rear of the unit or on the Info screen in MENU 2 show the relation between the amplifier output power and the RF sample...

Страница 31: ...nce is obtained when the input RF drive is set at or just below the level that causes the highest level of peak power output Do not set input drive above 0 dBm Input drive above 13 dBm may damage the unit The reverse power level should remain below 10 of the forward power assuming that the load is properly matched An alternate procedure is to pre set the TWTA gain to minimum set the RF generator t...

Страница 32: ...temp F F TWTF F RDTMPTWTC Returns TWT temp C C TWTC C 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 C TWTOTC C STWTOTC Sets TWT overtemp warning setpoint C C RDPSOTF Returns power supply overtemp warn...

Страница 33: ...er forward power warning setpoint W Peak watts RDPOLOWP Returns under forward power warning setpoint W Peak watts Polo W Pk SPOLOWP Sets under forward power warning setpoint W Peak watts RDPRHIDP Returns over reverse power warning setpoint dB Peak dBm Prhi dBm Pk SPPRHIDP Sets over reverse power warning setpoint dBm Peak dBm RDPRHIWP Returns over reverse power warning setpoint W Peak watts Prhi W ...

Страница 34: ... wrong polarity 50 Last command failed Local system does not have remote enabled 51 Remote system is not ready to accept commands 901 Assert error invalid table argument 902 Assert error invalid calibration Please call a service representative if you observe this error Table 3 5 Catalog of Fault Codes The RDFLT command causes the TWTA to return a string in the form flt code where code is an ASCII ...

Страница 35: ...SB Heater 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 not used 11 MSB not used w bit Meaning 12 LSB not used 13 Sleep Mode Active 14 not used 15 MSB not used Table 3 7 STA Response Codes The command STA causes the TWTA to send a string indicative of the current system state STA response Meaning SLEEP...

Страница 36: ... 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 is in this form command mnemonic parameter carriage return where command mnemonic consists of one of any valid command found in Table 3 3 parameter as applicable consists of one ASCII space character followed by a number carriage return consists of a...

Страница 37: ...r 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 grid on but no rf drive Such operation for about one hour on a weekly basis should effectively reduce nuisance tripping Since the cathode structure has finite life extended periods of non functional ope...

Страница 38: ... collector 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 TWT is heating up but the electron Beam is off In other words there is no cathode current As the cathode heats up gas trapped in the structure of the tube can be released thus corrupting the vacu...

Страница 39: ...nt 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 to a known safe level CAUTION A malfunctioning power supply can cause damage to the TWT If you are troubleshooting the TWTA remove the TWT and substitute suitable loads to prevent damage to the TWT 4 2 UNAUTHORIZED REPAIRS...

Страница 40: ...es not come up unit does not beep when powered up Shorted or defective control module power supply Control module failure Control module does not boot EPROM s missing Control head PC board defective Control module datalink failure error appears HPA interface failure Data steering board failure Fiberoptic link failure 15 VDC supply failure Heater power supply does not come up Defective low voltage ...

Страница 41: ...ician 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 only documentation pertaining to the highest levels of the system and to system control logic is included ...

Страница 42: ...Model 2000TP2G8B 32 Rev ...

Страница 43: ...AND WOUND 1A1A8A1T6 NOTE 7 A18478 000 PULSE TOP SUPPLY TRANSFORMER 1A1A8A2 A23715 101 PIJ PSC MODULATOR CONTROL BOARD 1A1A9 A10010 000 HEATER POWER SUPPLY MODULE 1A1A9T1 A09409 000 XFMR HEATER FEEDBACK 1A1A9T2 A09408 000 XFMR HEATER POWER 1A1A10 A21459 020 PULSED PWM BD TWT 3041 1A1A11 A25398 020 FACTORY SELECT FOR 13PSC REV F LOGIC BD 1A1A12 A21458 005 CAPACITOR BANK 1A2 A27502 318 MICROWAVE POWE...

Страница 44: ...Model 2000TP2G8B 34 Rev ...

Страница 45: ...00 10 23687 001 LV Power Supply Module A23687 001 10 24830 000 Remote Control Board Foldback only A24830 000 10 25444 001 HPA Interface A25444 001 10 30528 000 Harmonic Filter Switching Kit Two filters 10 30681 000 RF Switch Control Cable Two switches 10 30750 000 Pulse Monitor Board A30750 000 10 27500 913 1000W Pulsed TWT Amplifier SC Band AR A27500 913 ...

Страница 46: ...Model 2000TP2G8B 36 Rev ...

Страница 47: ...826 018 Pulsed TWT Power Supply A24830 000 Remote Control Board Foldback A25444 001 HPA interface A27500 913 TWTA 2kW Pulsed SC Band A27502 318 Microwave Power Assembly A27507 913 Wiring Kit 13PSC Single Phase A30528 000 Harmonic Filter Switching Kit Two filters ...

Страница 48: ...SST 3 J2 J10370 000 CONN 37 PIN MALE D 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 J1 N25003 000 HYPERTRONICS CONN 29 PIN MALE RIGHT ANGLE CUT ENDS 1 Q2 Q22907 000 TRANSISTOR PNP 2N2907A TO 18 1 R1 R9 R19 R37 R44 R50 R00100 000 RES 10 OHM 1 4W ...

Страница 49: ...2W 1 MF 100PPM DALE RN55D 1 R12 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 PRECISION 10V LINEAR TECH LT1031DCH 1 U8 U17805 000 IC 5V REGULATOR TO 220 NAT LM340T 5 0 1 U1 U2 U3 U20148 000 IC HEX INVERTER SCHMIDTT TRIGGER 74HC14 SSD 3 RP8 U30106 000 IC 1...

Страница 50: ... BOARD ASSEMBLY PULSED TWTA 1 A6 A21425 020 HV DIODE CAP MODULE FOR TWT 3041B 1 A7 A21458 004 HV FILTER 1 A12 A21458 005 CAPACITOR BANK 1 A10 A21459 020 PULSED PWM BD TWT 3041 1 A1 A23280 000 HEAT SINK MOTHER BOARD 1 A4 A23683 100 POWER FACTOR MODULE 500W 1 A8 A23684 101 PIJ PSC GRID MODULATOR MODULE REGULATED REFERENCE 1 A2 A23687 001 LOW VOLTAGE POWER SUPPLY MODULE 1 A11 A25398 020 FACTORY SELEC...

Страница 51: ... T1 3 4 XC55G 1 J1 J18180 000 CONN D SUB 15 PIN MALE STRAIGHT PCB MOUNT POSITRONIC MD15M3000 1 J31014 000 SPRING LATCH KIT D SUB AMPHENOL 17 529 2 Q1 Q3 Q22222 000 TRANSISTOR NPN 2N2222A TO 18 3 R3 R5 R7 R02220 000 RES 2 2K 1 4W 5 CC A B RC07GF222J 3 R4 R6 R8 R03100 000 RES 10K 1 4W 5 CC A B RC07GF103J 3 R1 R12107 000 TRIMPOT 1K 1 2W 10 CERMET 1T SIDE ADJ BECKMAN 72XL 1 S2 S3 S22004 000 SWITCH TOG...

Страница 52: ...77 79 83 85 87 88 89 91 94 96 97 98 102 103 105 107 108 109 110 111 112 113 114 115 116 117 121 125 132 167 C31036 000 CAP 0 1MF 100VDC 10 CER 1 FAILURE KEMET CKR06 SERIES W V OPTION 61 C12 C14 C17 C18 C19 C21 C27 C29 C31 C34 C36 C38 C45 C46 C52 C54 C55 C56 C57 C58 C59 C60 C61 C66 C68 C72 C75 C82 C84 C86 C90 C92 C93 C95 C104 C106 C118 C119 C120 C122 C123 C124 C133 C31040 000 CAP 1MF 50VDC 10 CER 1...

Страница 53: ...ERMET 100PPM 20T TOP ADJ BECKMAN 67W 2 R9 R12 R15 R22 R35 R40 R44 R30103 000 RES 10K 1 8W 1 MF AXIAL 100PPM DALE CMF 50 RN50C1002F 7 R17 R18 R19 R20 R21 R23 R25 R28 R31 R42 R43 R46 R30140 000 RES 1K 1 8W 1 MF 50PPM DALE RN50C 12 R13 R14 R24 R26 R27 R29 R32 R37 R38 R39 R47 R100 R31164 000 RES 100K 1 20W 1 FILM AXIAL 100PPM MIL DALE RN50C1003F 12 U7 U8 U00027 000 IC ULTRA LOW NOISE PRECISION OP AMP ...

Страница 54: ...R 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 SSD 2 U5 U13 U14 U23 U25 U33 U50 U28074 000 IC DUAL D FLIP FLOP W RESET 74HC74 SSD 7 U2 U28123 000 IC DUAL RETRIGGERABLE 1 SHOT 74HC123 SSD 1 U31 U53 U28164 000 IC 8 BIT SERIAL IN PARALLEL OUT SHIFT REGISTER 74HC164 SSD...

Страница 55: ...A25444 001 HPA INTERFACE BOARD 200UM GLASS FIBERS 1 A10 A27501 900 CABINET ASSY ETM 13P SC BAND W IEEE 488 AR 1 A2 A27502 318 MICROWAVE POWER ASSY 2 4 GHZ PULSED HPA 1 A9 A27507 913 HPA WIRING KIT SINGLE PHASE 13PSC GPIB 1 A4 A27509 301 HPA CONTROL CHASSIS ASSY GPIB LINK TRANSCEIVER BOARD 200UM HCS FIBERS 1 A5 A30137 900 FRONT PANEL ASSY 5U FRONT PANEL MOUNT GPIB AR 1 A8 A30750 000 PULSE MONITOR B...

Страница 56: ... 20 GHZ 50 OHM BLUE FEP TEFLON DICAR EZ402 2121 24 1 E00944 000 ISOLATOR 2 0 8 0 GHZ SMAF SMAF DITOM D3I2080 1 V1 E01037 000 TWT 2 0 8 0 GHZ 1KW PULSED 6 4 DB EQ TELEDYNE MTG 3041L 6 4 DB EQ 1 A1 E01136 000 SSPA 2 5 8 GHZ 30DBM 33 DB GAIN VGA CPI CMA2580B XX 1 E20012 000 ATTENUATOR 6DB SMA 2W SUB MINIATURE INMET 18A 6 1 E20130 000 ADAPTER SMA MALE TO SMA FEMALE RIGHT ANGLE CDI 5490CCSF PASTERNACK ...

Страница 57: ...HOUSING FEMALE 03 PIN MOLEX 5197 N 10 01 3036 1 J00040 000 CONN PIN SOCKET 4 PIN FEM STR MOLEX 03 09 1041 1 P29 J01010 000 CONN 1 PIN MALE 250V MOLEX 03 09 2011 1 XP15 28880 J01020 000 CONN PIN SOCKET 2 PIN MALE MOLEX 03 09 2021 1 P11 J01021 000 CONN MALE 2 PIN 063 MOLEX 03 06 2023 1 J01040 000 CONN PIN SOCKET 4 PIN MALE STR MOLEX 03 09 2041 1 XP11 J03013 000 CONN PIN MALE 063 MOLEX 002 06 2103 3 ...

Страница 58: ... 000 CONN D SUB 15 PIN FEMALE RIBBON CABLE W STRAIN RELIEF PLASTIC AMPHENOL 841 17 DAFR B15S 2 J31014 000 SPRING LATCH KIT D SUB AMPHENOL 17 529 8 L1 L50503 000 EMI SUPPRESSION CORE 0 25HOLE WITH CASE FAIR RITE 0443164251 1 N24373 000 CONNECTOR COVER 1 XA11 N27418 000 COVER TERMINAL EMI FILTER 2 N27728 000 HPA INTERFACE SHIELD 1 R01166 000 RES 160 OHM 2W 5 FILM 2 S2 S3 S25002 000 SWITCH PUSHBUTTON...

Страница 59: ...ANTITY W1 W2 W30020 000 CABLE FIBER OPTIC 1000UM POF NISSHO WAI AMERICAN CORP GH 4001 2 F1 Z20020 000 FUSE 2A 250V 3AG SB LITTELFUSE 313 002 1 Z1 Z31022 000 SURGE ARRESTOR CPCLARE AC240L 1 Z2 Z31024 000 TRANZORB 440V 1 5KE440CA GI 1 5KE440CA 1 ...

Страница 60: ...BS 5 6 9 6 GHZ 250 WATTS CW MIN MDC 102000 152 1 F2 E01022 000 SC BAND ABS COAX HARM FILTER BP 4 8 8 0GHZ BS 9 6 16 0 GHZ 250 WATTS CW MIN MDC 102000 153 1 S1 S2 E01035 000 SWITCH COAX HIGH POWER 300W DC 7 5 GHZ15VDC WITH ONE SET IND LOGUS LMC224ANL9X181 2 W1 W2 W3 W4 E01036 000 0 410 DIA X 12 0 COAXIAL CABLE N SP N SP STORM PRODUCTS 90 078 012 4 L1 L2 E20069 000 TERMINATION COAXIAL 5W N DC 12 4 G...

Страница 61: ...004 HV Filter A21458 005 Capacitor Bank A21459 020 PWM Board A23683 100 Power Factor Module A23684 101 Grid Modulator Regulated Reference A23687 001 Low Voltage Power Supply Module A23692 000 Insulated Fan Driver E01035 000 External RF Switch if optional harmonic filter switching assy is purchased N26677 000 Fan Modification Y10038 ...

Страница 62: ...RON 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 1060 1095 IF A 1 1 THEN GOTO 1100 1100 ENTER 701 F 1110 PRINT OUTPUT FROM COMMAND A IS F 1120 GOTO 1060 1130 CLEAR SCREEN 1140 END ...

Страница 63: ... allows use of peripheral components connectors cables or waveguide directional couplers loads and so forth with lower CW power ratings AR s pulse TWTAs are designed specifically for pulsed applications They cannot be used to produce CW output AR s TP series of pulse TWTAs do incorporate many of the excellent features of AR s T series of CW TWTAs such as foldback protection bright 4 line by 20 cha...

Страница 64: ...cal rise and fall times in the low or sub nanosecond range If the RF input remains and the TTL level goes low logical 0 then the RF output would reach 10 of its prior on value within 300ns Delay The observed RF Fall time would be less than 30ns 10 to 90 See Figure 1 Using the TTL input to modulate the RF output may result in some small distortion of the output pulse width usually shrinkage as comp...

Страница 65: ... specification defines the maximum percentage of the time that the TTL level input can be allowed to remain positive logical 1 For example if the chosen PRF is 5 kHz then the maximum allowable TTL input pulse width is reduced to 8 microseconds 1 5 000 x 04 sec Pulse Off Isolation Pulse off isolation specifies the reduction of signal level input to output when the Pulse Input is not high i e in the...

Страница 66: ...n proper operation of these Pulse TWTAs though TWTA design prevents damage when these conditions are exceeded Be sure to refer to the appropriate AR Data Sheet for detailed amplifier specifications Users should contact AR RF Microwave Instrumentation at 215 723 8181 to discuss any specific application requirements for high burst rates low off level noise and special off level timing such as in NMR...

Страница 67: ...le 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 The warranty is valid only when used in the country specified at time of order Warranty service must be obtained from the repair facility designated at that time If warranty service is not available ...

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