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To order AR Products, call 215.723.8181. For an applications engineer call:800.933.8181. Direct to Service call: 215.723.0275 or

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For Faxing Orders:866.859.0582 (Orders Only Please)

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Approved for public release by AR RF/Microwave Instrumentation

071216

Page 3

2000W1000D



2000 Watts CW



80MHz–1000MHz

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Содержание 2000W1000D

Страница 1: ...Operating and Service Manual 2000W1000D Model 10039853 Part Number Serial Number 160 School House Road Souderton PA 18964 215 723 8181 Fax 866 859 0582 www arworld us ...

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Страница 3: ...ety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements UL 61010 1 Issued 2012 05 11 Ed 3 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements CAN CSA C22 2 61010 1 Issued 2012 05 11 Ed 3 Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part...

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Страница 5: ...en Minimalwerte der Schirmdämpfung und Filterung in den unterschiedlichen Leistungsklassen empfohlen Hochfrequenzleistung min Schirmdämpfung 100 Watt 50 dB 101 1000 Watt 60 dB 1001 10 000 Watt 70 dB Falls andere elektrische oder elektronische Geräte gleichzeitig mit dem Gerät betrieben werden kann es zu Beeinflussungen kommen Da das Gerät zur Erzeugung von Hochfrequenzenergie dient ist es daher au...

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Страница 7: ... 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 can result in damage to the equipment intermittent shut downs or safety hazards Keep equipment away from extremely hot or cold temperatures to ensure that it is used within the specified operating r...

Страница 8: ...na 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 appropriate for intended operation Connectors are specified in the user manual and product specification sheet Do not exceed the maximum RF input level stated in the specifications Refer to the user ...

Страница 9: ...4 2 4 3 IEEE 488 USB and RS 232 Interfaces 14 2 4 4 Safety Interlock Connector 15 2 5 Amplifier Operation 15 2 5 1 Local Operation 15 2 6 Remote OPERATION 15 2 6 1 IEEE 488 GPIB Communication 15 2 6 2 RS 232 Communication 16 2 6 3 Fiber Optic Communication 17 2 6 4 USB Communication 18 2 6 5 Ethernet Communication 18 2 6 6 Remote Commands 19 3 THEORY OF OPERATION 31 3 1 Introduction 31 3 2 RF Ampl...

Страница 10: ...37 4 3 1 General Reading Faults 37 4 3 2 Power Supply Faults 38 4 3 3 Thermal Faults 38 4 3 4 ALC Fault 38 4 3 5 RF Module Faults 38 4 3 6 Fault Troubleshooting Guide 39 4 4 Diagnosing and Replacing Amplifier Modules 40 4 4 1 Locating Modules 40 Appendix A Installing Software Upgrades 41 FIGURES 1 1 AC Line Cord Installation 3 2 1 Digital Control Panel DCP Features 10 2 2 Rear Panel Features 11 2 ...

Страница 11: ...t of the amplifier s RF Gain during CW mode operation and provides graphical displays of the amplifier s Forward and Reflected power levels RF output level protection A General Purpose Interface Bus GPIB IEEE 488 2 interface for remote control of the amplifier s operating functions RS232 serial communications including both wire and fiber optic ports for remote control USB Communication port for r...

Страница 12: ...tts and 1500 watts respectively will initiate limiting or smooth drive level fold back in a low level stage of the amplifier chain If the limiting circuits cannot keep the amplifier s levels below the limit threshold the protection circuits will invoke a shutdown of the main power supplies and low level driver in the amplifier Power amplifier modules are monitored for both over current and under c...

Страница 13: ...e variety of power systems available internationally line cords are not shipped with this unit The user must determine and install the appropriate line supply to the unit To install the line cord first remove the three screws that hold the AC power input cover in place Carefully lay the panel down horizontally to gain access to the AC Power feed thru terminal block Prepare a line cord capable of s...

Страница 14: ...lter the coaxial cables length or substitute other coaxial cables for them The outputs of the sub amplifiers will not combine properly if these coaxial cables are not matched in phase this will cause low power output and cause additional stress to be placed on the sub amplifiers and the final combiner Fiber optic system control cables link each 500 watt amplifier to the driver amplifier for system...

Страница 15: ...ned air cooled broadband completely solid state amplifier designed for applications where in stantaneous bandwidth and high gain are required Push pull circuitry is utilized in all high power stages in the interest of lowering distortion and improving stability The Model 2000W1000D when used with an RF sweep generator will provide a minimum of 2000 watts of RF power The Model 2000W1000D is equippe...

Страница 16: ...ON CAPABILITY Faithfully reproduces AM FM or Pulse modulation appearing on input signal HARMONIC DISTORTION Minus 20 dBc maximum at 1800 watts 20 dBc typical 2000 watts THIRD ORDER INTERCEPT POINT 70 dBm typical NOISE FIGURE 8 dB maximum 6 dB typical PRIMARY POWER specify voltage 200 240 VAC Delta connected 4 wire 380 415 VAC Wye connected 5 wire 50 60 Hz three phase 9000 watts CONNECTORS RF Input...

Страница 17: ...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 071216 Page 3 2000W1000D 2000 Watts CW 80MHz 1000MHz Graphs ...

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Страница 19: ...1000D s output to its input either through direct connection or parasitic feedback paths will cause oscillations that may permanently damage the unit s input transistors The 2000W1000D Amplifier is protected from input overdrive by an automatic level control circuit The 2000W1000D RF power transistors are protected from over temperature by sensing the chassis temperature near the RF output transis...

Страница 20: ...in power circuit breaker of the amplifier power entry module is on 2 3 4 5 1 6 7 Figure 2 1 Digital Control Panel DCP Features Item Title Function 1 INHIBIT LOCAL REMOTE Keylock Switch 3 position key removal in INHIBIT position only 2 POWER POWER control with indicator LED 3 DISPLAY TOUCH SCREEN Numerous parameter values and fault messages plus manual input control 4 ADJUST Adjust knob to change s...

Страница 21: ...e The status of the function is indicated on the display as RF ON or RF OFF In the RF ON state RF output is enabled according to control settings and amplifier RF input Main cooling fans will operate In the RF OFF state there will be no RF output 2 2 5 RESET Function The RESET function selected by the touch screen button will cause the amplifier to attempt to reset Selecting Reset may clear the fa...

Страница 22: ...is an ADJUST knob This knob is used to adjust many of the variables shown on the graphic touch display The graphic touch display is active and illuminated whenever AC power is supplied to the unit and the main circuit breaker is on At the top of the Main Menu screen is a bar graph and numeric value blue which is used to indicate whichever user adjustable parameter is selected These parameters are ...

Страница 23: ...Model 2000W1000D Rev B 13 Figure 2 3 Touch Panel Display Menu Map Values shown on screens are for illustration only ...

Страница 24: ...r It should be connected to a RF signal generator or sweep generator 2 4 2 RF Output This Type 1 5 8 EIA female connector is the RF output of the amplifier CAUTION Do not connect or disconnect any loads or cables from the amplifier s RF Output when the amplifier is in the Operate mode Dangerous voltages that could cause serious injury to the user exist at the RF Output when the amplifier is under ...

Страница 25: ...ed to a device such as a personal computer All ports are active at all times however only one port may be used at a time Communicating through two or more ports at one time will cause data collisions and lost commands or queries The Keylock switch on the front panel allows the amplifier to be controlled using the remote communications ports the front panel controls or neither depending on its posi...

Страница 26: ...econds At this time the internal buffer is cleared and a TIMEOUT_ERROR message followed by a Line Feed character is sent out from this port The baud rate for the RS 232 port is user selectable from the RS 232 Fiber Optic Serial Baud Rate selection screen To get there from the Main Menu touch the User menu button followed by the I O menu button and finally the Serial menu button A thin black outlin...

Страница 27: ...o optically isolate the controlling PC from the amplifier This can be useful in an environment where RF Microwave energy could be coupled onto a connection to one of the wired communications ports and fed back to the controlling PC Both optical connections TX and RX are optimized to work with light at a wavelength of 820nm For more detailed specifications on this port consult the Avago HFBR series...

Страница 28: ...cation The Ethernet port allows remote control through a Transmission Control Protocol TCP data channel All commands and queries through this port must be terminated with a Line Feed character By default this port is setup to work on a network with a Dynamic Host Configuration Protocol DHCP server Upon connection an Internet Protocol IP address is assigned based on the internal Media Access Contro...

Страница 29: ...pment of application programs requires an understanding of the operation of the amplifier as well as the intended application An application program on the computer controller should issue only one character string command or query at a time After each functional command is issued the amplifier s status should be checked to ensure that the command has been properly executed The application program...

Страница 30: ...ing command POWER OFF LF 2 6 6 2 RF On Off This command controls the RF on off state of the amplifier Syntax RF x Parameters State x OFF power off ON power on Response Format None No query for this command Example To turn the RF on send the following command RF ON LF To turn the RF off send the following command RF OFF LF 2 6 6 3 Reset Faults This will clear all faults if possible Syntax RESET Par...

Страница 31: ...e ALC mode to Manual mode send the following command MODE MANUAL LF Not available on all amplifier models 2 6 6 5 Level Adjust This command sets the RF Gain ALC Detector Gain ALC Threshold and ALC Response Time Syntax LEVEL xy Parameters Parameter x GAIN RF Gain DET ALC Detector Gain THR ALC Threshold RESP ALC Response Time Value y For RF Gain ALC Detector Gain and ALC Threshold 0 Minimum 100 Maxi...

Страница 32: ...nly always requires a character Response Format f m n LF Where f manufacturer m model designation n firmware revision Example To get the identity of the amplifier send the following command IDN LF Response AR RF MICROWAVE INST MODEL 1 0 LF 2 6 6 7 IO Board Firmware Revision Query to get the firmware revision of the I O Board Syntax IOB Parameters None Query only always requires a character Respons...

Страница 33: ...space GAIN x THRES x RESP y LF Value x For RF Gain Detector Gain and ALC Threshold 0 Minimum 100 Maximum Value y For Response Time 0 Minimum 7 Maximum Response Time Setting Time mS 0 1 1 5 2 10 3 30 4 100 5 1000 6 3000 7 3000 Example To get the machine state send the following command MSB LF Response RF space GAIN 100 DT space GAIN 50 THRES 75 RESP 1 LF RF gain is 100 Detector Gain is 50 ALC Thres...

Страница 34: ...an be found in the table below NOTE Bits labeled NOT USED may be read as a bit state of 1 or 0 BIT STATE BIT POSITION BIT DESCRIPTION 0 1 NOTES x 0 PULSE STATUS OFF PULSE 1 NOT USED 2 NOT USED 3 REMOTE CONTROL DISABLED ENABLED Response to key switch position y 0 POWER STATUS OFF POWER ON 1 STANDBY STATUS OFF STANDBY Also known as RF OFF 2 OPERATE STATUS OFF OPERATE Also known as RF ON 3 FAULT STAT...

Страница 35: ...ng zeros are read as spaces Units are Watts Example To find out the forward power send the following query FPOW LF Response FPOW space space space 54 LF 54 Watts of forward power 2 6 6 11 Reverse Power Query to get the reverse power Syntax RPOW Parameters None Response Format RPOW x LF Where x 0 to 99999 Values are corrected and linearized They can be up to five digits in length Leading zeros are ...

Страница 36: ... to find the faults that have occurred with the amplifier Syntax FSTA Parameters None Response Format FSTA space xxxx Where xxxx 0000 to 00FC Hexadecimal xxxx Dec Description 0000 00 No Fault 0001 01 AC Interlock 0002 02 Interlock 0003 03 PS1 0004 04 PS2 0005 05 Thermal A6 0006 06 Thermal A5 0007 07 Thermal A4 0008 08 Thermal A3 0009 09 Unused 000a 10 Monitor Interlock 0013 19 Amp A6 0014 20 Amp A...

Страница 37: ... A8 0037 55 Thermal A7 0038 56 Amp A14 0039 57 Amp A13 003a 58 Amp A12 003b 59 Amp A11 003c 60 Amp A10 003d 61 Amp A9 003e 62 Amp A8 003f 63 Amp A7 Example To find out what faults have occurred send the following query FSTA LF Response FSTA 0002 LF Interlock Fault 2 6 6 14 Operating Hours RF On Query to get the RF On operating hours Syntax OH Parameters None Response Format OH x LF Where x 0 to 10...

Страница 38: ... following prefix to select commands Syntax DEFAULT Compatible commands Level Adjust LEVEL GAIN LEVEL DET Not available on all models LEVEL THR Not available on all models LEVEL RESP Not available on all models Mode Select MODE MANUAL Not available on all models MODE PULSE Not available on all models MODE ALC space INT Not available on all models MODE ALC space EXT Not available on all models NOTE...

Страница 39: ...end the following command DEFAULT LEVEL GAIN75 LF Example 2 To query the default RF Gain setting send the following command DEFAULT LEVEL GAIN LF Response DEFAULT LEVEL GAIN75 LF Example 3 To set the default mode to manual send the following command DEFAULT MODE MANUAL LF ...

Страница 40: ...Model 2000W1000D 30 Rev B ...

Страница 41: ...att Amplifier Assembly 3 2 1 1 A1 Pre Amplifier PWB Assembly Schematic 10033908 The Pre Amplifier PWB Assembly consists of a stage of gain U1 a variable attenuator U2 a resistive splitter R3 R5 R4 another stage of gain U3 an RF power detector U9 and control circuitry The overall gain of the pre amplifier assembly is approximately 17 dB at minimum attenuation The power detector U9 is used to sense ...

Страница 42: ...rmal switch It closes at a heat sink temperature of approximately 70 to protect the module in the event of an over temperature condition 3 2 4 A10 Dual Detector Assembly Schematic 10033688 The Dual Detector monitors the outputs from the A15 dual directional coupler The dual detector provides sample outputs of the forward and reverse powers and also DC outputs proportional to the forward and revers...

Страница 43: ...rcuit The RF input is fed to a 4 1 transformer composed of T1 T2 and T3 The push pull output signal of the 4 1 transformer is connected to the gates of push pull connected Q1 The drains of Q1 are connected to a 4 1 transformer composed of T4 T4 and T6 The RF transistor Q1 has approximately 22 5 VDC applied to the drains at 4 amps current for the driver and 7 amps current for the finals The RF stag...

Страница 44: ... at 5 amps power supply is fed to the A7 A14 final modules to provide gate voltage for these modules PS1 supplies 23 VDC at 60 amps PS1 is a switching power supply that automatically sets the AC input circuits to the correct connections for the line voltage 120 240 VAC 50 60 Hz PS1 supplies 23 VDC to amplifiers A7 A14 to provide the drain voltage for these amplifiers 3 4 A6 AND A7 SIXTEEN WAY COMB...

Страница 45: ...uts 5 volt tolerant 24 Analog outputs 2 Mixed signal inputs 4 2 channel encoder input 1 Inputs for a keypad 6 Display connectors 1 Serial communication jacks 2 3 6 2 A11 ALC Board Schematic 10023927 This section describes the operation of the level control board The level control board performs the following functions Provides automatic level control of the amplifier s output when the amplifier is...

Страница 46: ...Model 2000W1000D 36 Rev B ...

Страница 47: ...AR Customer Service for an RMA number and shipping instructions Returns from outside the United States are not permitted without prior authorization If shipping from outside of the United States closely follow all directions on the RMA form for return shipping and marking See warranty statement at rear of manual 4 3 FAULT SIGNAL INTERPRETATION AND DIAGNOSIS CAUTION Extreme caution should be exerci...

Страница 48: ...ault cannot be cleared with no RF input drive power then there is a malfunction in the ALC board or associated circuit 4 3 5 RF Module Faults Any RF module fault will trigger amplifier shut down including main power supplies There are three possible module faults Amplifier and Thermal Module faults are displayed as AMP or THERM where indicates the defective module within the 500 watt amplifier or ...

Страница 49: ... by backing off input drive PS1 PS2 Power Supply PS1 or PS2 has failed ALC Leveling ALC circuit is not working and allowing the RF power to exceed a preset limit 500 Watt Power Amplifier B1 B2 B3 and B4 Fault Type of Fault Possible Reasons Therm B1 B4 A7 A14 Thermal Amp Fault B1 B4 A7 A14 Under Current Over Current Final module FET is damaged and drawing no current insufficient gate voltage to FET...

Страница 50: ...000W1000D 40 Rev B 4 4 DIAGNOSING AND REPLACING AMPLIFIER MODULES 4 4 1 Locating Modules See Figures 4 1 and 4 2 Figure 4 1 500W Amp Module Locations Front View Figure 4 2 Driver Amp Module Locations SideView ...

Страница 51: ...the device being upgraded 2 Unzip the AR Firmware Upgrade Utility and run the installer executable 3 After the installation completes unzip the model specific firmware and save it to a safe place on the hard drive do not rename the file The utility will ask for this file later 4 Run the AR Firmware Upgrade Utility and follow the instructions provided 5 Once the utility successfully connects click ...

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Страница 53: ... 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 from defects in material and workmanship for a period of one 1 year Contact AR RF Microwave Instrumentation for warranty information regarding items not listed Seller s sole responsibility in fulfill...

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