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Summary of Contents for AR 6900TP2G4M10
- Page 1 Operating and Service Manual 6900TP2G4M10 Model 10042909 Part Number Serial Number 160 Schoolhouse Road, Souderton, PA 18964 • 215-723-8181 • Fax 866-859-0582 • www.arworld.us...
- Page 3 EC Declaration of Conformity Amplifier Research 160 School House Road Souderton, PA. 18964 declare that our product(s); the Model 6900TP2G4 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: Safety : EN 60215-1:1989...
- Page 5 Instructions for European EMC Conformity WARNING It is the responsibility of the user of this equipment to provide electromagnetic shielding, filtering and isolation which is necessary for EMC compliance to Directive 2014/30/EU. The equipment must therefore be operated in a shielded area which provides a sufficient level of attenuation to meet the radiated emissions and immunity specifications.
- Page 7 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 8 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 9 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 10 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 11 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 12 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 13 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 14 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 15 ADDITIONAL WARNINGS & NOTES WARNING: This equipment operates at potentially lethal voltages. Only trained, qualified personnel should operate, maintain, or service it. Hazardous energy may be present while protective covers are removed from the equipment even if disconnected from the power source. Contact may result in personal injury.
- Page 17 ADDENDUM This addendum is applicable to and is only for use with TWTA models that are supplied: • without the outer cabinet • without the outer cabinet, with carry handles • without the outer cabinet - supplied with slides and front handles installed Refer to the Model Specification sheet in the manual to determine the applicability to a specific model.
- Page 18 CAUTION: Do not use front mount handles to carry unit. Front handles are for use in sliding the unit out of a rack. Before pulling unit, remove front rack mounting screws and disconnect all connectors from the rear of the unit. The slide detents will latch in the forward position of the unit.
- Page 19 Illustration of Typical TWTA Slide Assembly...
- Page 21 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.
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Page 23: 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 aSSEMBLY ................ - Page 24 Models 6900TP2G4M10 FIGURES Rack Mounting Configuration ................12 Front Panel Features ..................... 15 Front Panel Display Screens ................. 16 Rear Panel Features ....................19 TABLES Front Panel Features ..................... 15 Rear Panel Features ................... 19 Catalog of IEEE-488 Commands ................. 22 Catalog of Status Codes ..................
- Page 25 • Equipment calibration • General laboratory instrumentation SPECIFICATIONS Refer to the AR Data Sheet at the end of this section for detailed specifications. ACCESSORIES AR offers a number of accessories for use with this amplifier including: • Directional coupler •...
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Page 26: Test Data Sheet
Models 6900TP2G4M10 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 27 Industrial and University Research series of menus via soft keys. Status indicators and Development, and Service applications. AR include power on, warm-up, standby, operate, also offers a broad range of amplifiers for CW faults, excess average or peak reflected power (Continuous Wave) applications.
- Page 28 190-260VAC single phase, 50/60Hz, 5kVa max Model number example: Model 6900TP2G4M2 would have option E3H front pull handles in- stalled. 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...
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Page 29: Theory Of Operation
2. THEORY OF OPERATION DESIGN OF THE AMPLIFIER The AR Model 6900TP2G4M10 Amplifier consists of four principal subsystems. Two of these subsystems, the microwave power assembly (A33066-001) and the power supply for MEC-3102 tube (A33068-001) are discussed in Sections 2.2 and 2.3, respectively. -
Page 30: Description Of The Power Supply
Models 6900TP2G4M10 DESCRIPTION OF THE POWER SUPPLY The TWT power supply is of modular construction. All modules are connected through a motherboard, and are very easy to replace. This makes maintenance fast and easy. Low Voltage Module: AC / DC converter which generates the +15VDC/-15VDC/+5VDC needed for house- keeping. -
Page 31: Description Of Electronic Crowbar
Model 6900TP2G4M10 DESCRIPTION OF ELECTRONIC CROWBAR Because the charge in the Cathode voltage capacitor storage module exceeds the maximum energy which can be safely dissipated during a TWT tube arc, the amplifier is provided with an electronic crowbar which can shunt the stored energy through a resistor network rather than through the TWT in the event of anomalous tube behavior. -
Page 32: Crowbar Driver Board
Models 6900TP2G4M10 2.4.2 Crowbar Driver Board The Crowbar Driver Board contains the actual crowbar switch, which is a triggered gas gap between the cathode supply and ground. The gap has a self-breakdown voltage of 20KV and will not fire when cathode voltage is applied to it unless triggered by a high voltage pulse to its trigger electrode. -
Page 33: 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 34: Mounting
Models 6900TP2G4M10 3.2.2 Mounting The TWTA may be operated as a standalone bench top unit or it may be installed in a 19" rack. If rack mounting is desired, first remove the amplifier from the cabinet, then install the amplifier in the rack. -
Page 35: Cooling Requirements
Model 6900TP2G4M10 3.2.3 Cooling Requirements The TWTA is provided with two cooling fans. 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 intakes or outlets are blocked, or that the exhaust flows are directed into the intakes. -
Page 36: Rf Output Connections
Models 6900TP2G4M10 3.2.5 RF Output Connections The RF output connector is Type DIN 7-16. CAUTION: Never operate the TWTA without a matched output load rated for at least 15,000 peak and 1,000 watt average. Full reflected power may irreparably damage the TWTs. The over reverse power detection circuit is provided to protect the tube from progressive failure or mismatch of the output load;... -
Page 37: Front Panel Features
Model 6900TP2G4M10 FRONT PANEL FEATURES Refer to Figure 3-2 below. Figure 3-2. Front Panel Features Table 3-1. Front Panel Features Item Title Function MAIN POWER Switchable 16 A. circuit breaker; connects primary power to power supplies. OPERATE Push-button; turns on high voltage and SSA when all faults and heater delay are cleared. -
Page 38: Front Panel Display And Soft Keys
Models 6900TP2G4M10 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. - Page 39 Model 6900TP2G4M10 Menu screens: The screens at the highest level are called menu screens. There are seven 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 40 Models 6900TP2G4M10 Remote: When Remote is off, a device connected to the TWTA computer interface may monitor the amplifier's status but may not control the Operate , Standby , RF Off or RF On, or Reset keys. When Remote is On, the external device has full control of the amplifier for safety reasons. Pressing the RF Off or Standby keys cancels the Remote mode, and causes the system to revert to local control.
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Page 41: Rear Panel Features
Model 6900TP2G4M10 REAR PANEL FEATURES See Figure 3-4 below. Figure 3-4. Rear Panel Features Table 3-2. Rear Panel Features Item Title Function AC power input connector: AC POWER IN MS3102A22-22P mates with MS3106F22-22S RF IN RF Input: Type-N female PULSE GATE INPUT... -
Page 42: Initial Turn On And Warm-Up Procedure
Models 6900TP2G4M10 INITIAL TURN ON AND WARM-UP PROCEDURE Before applying power, verify that the equipment line voltage is compatible with the TWTA. Install the TWTA as discussed in Section 3.2. Provide an RF generator to the RF input Type N connector J3. -
Page 43: Emergency Bypass
Model 6900TP2G4M10 To shut the system down, push STANDBY. Allow the TWTA to cool down until the TWT temperature drops below 50°C, then turn off main power. Menu 1 displays COOL-DOWN until the TWT temperature is within 15°C of the cabinet temperature. -
Page 44: Ieee-488 Communication
Models 6900TP2G4M10 IEEE-488 COMMUNICATION The TWTA is provided with an IEEE-488 interface that permits remote emulation of OPERATE, STANDBY, and RESET push-buttons as well as access to parameter measurements, system faults, and control unit status. The following tables summarize the commands and the return codes. -
Page 45: Catalog Of Status Codes
Model 6900TP2G4M10 Command Function Units Response format RDPRDP Returns Peak reverse power out (dBm) Pr=[ ]dBm Pk RDPRWP Returns Peak reverse power out (W) watts Pr=[ ]W Pk RDPOHIDP Returns Peak over forward power warning setpoint (dBm) Pohi=[ ]dBm Pk... -
Page 46: Catalog Of Fault Codes
Models 6900TP2G4M10 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 number whose meaning is given below) Fault Code Meaning No fault System Fault... -
Page 47: Twta General Considerations
Model 6900TP2G4M10 Command syntax is in this form: <command mnemonic> <parameter> <carriage return> where; <command mnemonic> consists of one of any valid command found in Table 4. <parameter> (as applicable) consists of one ASCII "space" character followed by a number. - Page 48 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 49 Model 6900TP2G4M10 fully applied in the Operate mode. Another possible failure mode is a body over-current fault when the beam is turned on and the tube is “gassy”. Occasional arcing is normal for a TWT. The support components are designed to handle this, protecting both the TWT and its support circuitry.
- Page 50 Models 6900TP2G4M10 Rev A...
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Page 51: 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 5) some user service organizations may choose to perform their own corrective maintenance. -
Page 52: Troubleshooting
Models 6900TP2G4M10 To open the enclosure: 1. Remove the amplifier from the cabinet or rack as follows: NOTE: Due to the weight of the unit, the removal of the amplifier from the cabinet or rack is a two person operation. -
Page 53: Non-Repairable Modules
Model 6900TP2G4M10 NON-REPAIRABLE MODULES The following modules are encapsulated and not repairable. Contact an authorized service representative if replacement modules are needed. A27816-004 Heater Power Supply Module A27818-000 Tank Module (No Caps) A33176-000 High Voltage Filter Assembly A33173-000 High Voltage Rectifier & XFMR Module... - Page 54 Models 6900TP2G4M10 Rev A...
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Page 55: Technical Documentation
5. TECHNICAL DOCUMENTATION NOTE: 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. -
Page 56: Top Level Build Tree
Models 6900TP2G4M10 TOP LEVEL BUILD TREE 5.1.1 HPA 83PS, 2 - 4GHZ, A38003-001 Ref Des Item Number Item Description A6,A7,A8 A23692-000 INSULATED FAN DRIVER A24324-003 HPA SYSTEM CONTROL FRONT PANEL ASSEMBLY A25444-001 HPA INTERFACE BOARD (200UM GLASS FIBERS) A26946-001 CONTROL HEAD ENCLOSURE,IEEE-488. -
Page 57: Schematics
Model 6900TP2G4M10 SCHEMATICS 10-38003-001 HPA, 83PS 25-38003-001 RF Block Diagram 10-25444-001 HPA Interface 10-30537-003 HV Breakout Box 10-30655-000 Crowbar Driver Board 10-30750-000 Pulse Control Monitor Board 10-33186-000 Capacitor Bank Rev A... - Page 58 Models 6900TP2G4M10 Rev A...
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Page 59: Sample Program For Ieee-488 Communication
Model 6900TP2G4M10 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. - Page 60 Models 6900TP2G4M10 Rev A...
- Page 61 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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