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All amplifier control functions and status indi-

cations are available remotely in GPIB/IEEE-
488 format and RS-232 hardware and fiber
optic, USB and Ethernet. The buss interface
connector is located on the back panel and
positive control of local or remote operation is

assured by a keylock on the front panel of the
amplifier.

Housed in a single equipment rack, the
3000W1000B provides readily available RF
power for typical applications such as RF sus-
ceptibility testing, antenna and component
testing, watt meter calibration, and as a driver

for frequency multipliers and higher power
amplifiers. A safety interlock can be imple-
mented via a rear panel connector.

The 3000W1000B has the ability to be up-

graded at a later date to the 4000W1000B,
4000 watt amplifier.

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 3000W1000B is a self-contained,

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
3000W1000B, when used with an RF sweep
generator, will nominally provide over 3000
watts of RF power.

The Model 3000W1000B is equipped with a
Digital Control Panel (DCP) which provides
both local and remote control of the amplifier.

The DCP uses a color LCD touch screen and a
single rotary knob to offer status reporting and
control capability. The display provides opera-
tional presentation of Forward Power and Re-
flected Power plus amplifier status. Special

features include a gain control, internal auto-
matic level control (ALC) with front panel con-
trol of the ALC threshold, forward and reflec-
tive RF sample ports for precise power meas-
urements and RF output level protection. Pro-

tection is provided by DC current level sensing
of all output stages.

Features

Specifications

3000W1000B



3000 Watts CW



80MHz–1000MHz

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

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Содержание 10036484

Страница 1: ...Operating and Service Manual 3000W1000B Model 10036484 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: ...von 10 2 cm 4 in auf allen belüfteten Seiten des Geräts ein um eine ausreichende Luftzirkulation zu gewährleisten Beinträchtigen Sie den Luftstrom des Geräts nicht indem Sie Lüftungsöffnungen oder den Lufteinlass blockieren Wird der Luftstrom eingeschränkt kann dies zu Schäden am Gerät periodischen Abschaltungen und anderen Gefahren führen Halten Sie das Gerät von extrem heißen oder kalten Tempera...

Страница 10: ...n in diesem Dokument angegebenen Anweisungen zur Anbringung Stellen Sie sicher dass alle Anschlüsse für den beabsichtigten Betrieb geeignet sind Informationen zu den Anschlüssen erhalten Sie im Benutzerhandbuch und im Produktspezifikationsblatt Überschreiten Sie nicht den in Spezifikationen angegebenen maximalen HF Eingangspegel Informationen zum geeigneten HF Pegel erhalten Sie im Benutzerhandbuc...

Страница 11: ...imitez pas le flux d air allant dans l équipement en bloquant tout évent ou entrée d air La restriction du flux d air peut endommager l équipement causer des coupures intermittentes ou des dangers pour la sécurité Tenez l équipement à l écart de températures extrêmement chaudes ou froides pour veiller à ce qu il soit utilisé dans la plage de fonctionnement indiquée Lorsque vous installez des acces...

Страница 12: ...z prudent lorsque vous installez ou retirez l unité Respectez toutes les instructions concernant l installation et le levage de l équipement indiquées dans ce document Assurez vous que les connecteurs sont appropriés pour l utilisation prévue Les connecteurs sont indiqués dans le manuel d utilisation et la fiche signalétique du produit Ne dépassez pas le niveau d entrée RF maximal indiqué dans les...

Страница 13: ...g is voor goede ventilatie mogelijk te maken Belemmer de luchtstroom in het apparaat niet door ventilatieopeningen of luchtinlaten te blokkeren Het belemmeren van de luchtstroom kan leiden tot schade aan het apparaat onregelmatige uitvallen of veiligheidsrisico s Houd het apparaat uit de buurt van extreem hoge of lage temperaturen om ervoor te zorgen dat het apparaat binnen het gespecificeerde wer...

Страница 14: ...instellen en optillen van de apparatuur die in dit document worden vermeld Zorg ervoor dat de connectoren geschikt zijn voor de beoogde werking De connectoren worden gespecificeerd in de gebruikershandleiding en in het productspecificatieblad Overschrijd het maximale RF ingangsniveau niet dat in de specificaties is vermeld Raadpleeg de gebruikershandleiding en het productspecificatieblad om de toe...

Страница 15: ...4 2 4 2 RF Output 14 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 29 3 1 Introduc...

Страница 16: ...al Interpretation and Diagnosis 35 4 3 1 General Reading Faults 35 4 3 2 Power Supply Faults 36 4 3 3 Thermal Faults 36 4 3 4 ALC Fault 36 4 3 5 RF Module Faults 36 4 3 6 Fault Troubleshooting Guide 37 4 4 Diagnosing and Replacing Amplifier Modules 38 4 4 1 Locating Modules 38 Appendix A Installing Software Upgrades 39 FIGURES 1 1 AC Line Cord Installation 3 2 1 Digital Control Panel DCP Features ...

Страница 17: ...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 18: ...ts 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 cu...

Страница 19: ...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 20: ...al 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 control signa...

Страница 21: ...ed 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 3000W1000B when used with an RF sweep generator will nominally provide over 3000 watts of RF power The Model 3000W1000B is equipp...

Страница 22: ... Note 27 MODULATION CAPABILITY Faithfully reproduces AM FM or Pulse modulation appearing on input signal HARMONIC DISTORTION Minus 20 dBc maximum at 2400 watts 20 dBc typical 3000 watts THIRD ORDER INTERCEPT POINT 72 dBm typical NOISE FIGURE 8 dB maximum 6 dB typical PRIMARY POWER specify voltage 200 240 VAC Delta connected 4 wire 360 435 VAC Wye connected 5 wire 50 60 Hz three phase 14kVA CONNECT...

Страница 23: ...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 121115 Page 3 3000W1000B 3000 Watts CW 80MHz 1000MHz Graphs ...

Страница 24: ...Model 3000W1000B 8 Rev A ...

Страница 25: ...1000B 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 3000W1000B Amplifier is protected from input overdrive by an automatic level control circuit The 3000W1000B RF power transistors are protected from over temperature by sensing the chassis temperature near the RF output transis...

Страница 26: ...main 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...

Страница 27: ...n Operate mode 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...

Страница 28: ...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 29: ...Model 3000W1000B Rev A 13 Figure 2 3 Touch Panel Display Menu Map Values shown on screens are for illustration only ...

Страница 30: ...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 31: ...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 32: ...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 33: ...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 34: ...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 35: ...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 36: ...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 37: ...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 38: ...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 39: ...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 40: ...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 41: ...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 42: ... to find the faults that have occurred with the amplifier Syntax FSTA Parameters None Response Format FSTA space xxxx Where xxxx 0000 to 017A Hexadecimal xxxx Dec Description 0000 00 No Fault 0001 01 AC Interlock 0002 02 Interlock 0003 03 PS1 0004 04 PS2 0005 05 unused 0006 06 Thermal A6 0007 07 Thermal A5 0008 08 Thermal A4 0009 09 Thermal A2 000a 10 Monitor Interlock 0013 19 unused 0014 20 Amp A...

Страница 43: ... 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 44: ...ameters None Response Format OHP x LF Where x 0 to 100000 Units are Hours Values can be up to six digits in length Leading zeros are read as spaces Example To find out the Power On operating hours send the following query OHP LF Response OHP space space space 428 LF The system has spent 428 Hours in a Power On state ...

Страница 45: ... Watt 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 sens...

Страница 46: ...hich controls the drain current U3 is a positive 5V regulator It supplies DC to the current sense circuit U2 the op amp U5 and the fault detection circuit U6 SW1 is a thermal 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 A8 A10 Two Way Splitter The Two Way splitter splits the input signal into two equal amp...

Страница 47: ...WATT POWER AMPLIFIER SCHEMATIC 10039099 3 3 1 A4 Two Way Splitter The Two Way splitter splits the input signal into two equal amplitude equal phase signals The amplitude of each signal is 3 3 5 dB below the input signal when both outputs are terminated into 50Ω loads 3 3 2 A5 A6 Four Way Splitters Each Four Way splitter splits the input signal into four equal amplitude equal phase signals The ampl...

Страница 48: ...ut Assembly and A3 Fiber Optic interface for the system control PS2 also supplies 24 VDC at 10 amps 12 VDC at 13 amps 12 VDC at 5 amps PS2 is a switching supply that automatically sets the AC input circuits to the correct connections for the line voltage 90 264 VAC input ranges 47 440 Hz The 24 VDC at 10 0 amp power supply is fed to the fans B1 and B2 The 12 VDC is fed to the A3 overdrive sense bo...

Страница 49: ...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 A13 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 50: ...Model 3000W1000B 34 Rev A ...

Страница 51: ...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 52: ...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 53: ...nd cured 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 B6 Fault Type of Fault Possible Reasons Therm B1 B3 A7 A14 Thermal Amp Fault B1 B3 A7 A14 Under Current Over Current Final module FET is damaged and drawing no current insufficient gate voltage to FET F...

Страница 54: ...000W1000B 38 Rev A 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 55: ...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 57: ...d Traveling Wave Tubes in the 200T2G8A 250T1G3 and 250T8G18 will be free from defects in material and workmanship for a period of two 2 years from date of shipment Vacuum tubes in the L series amplifiers other traveling wave tubes in models not previously listed and power heads will be free from defects in material and workmanship for a period of one 1 year Contact AR RF Microwave Instrumentation ...

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