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AR 350A400, Operating And Service Manual

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Operating and 
Service Manual 

350A400 
Model 

10043592 
Part Number 

Serial Number 

160 School House Road, Souderton, PA 18964 • 215-723-8181 • Fax 

866-859-0582

 • www.arworld.us

 

Summary of Contents for 350A400

Page 1: ...Operating and Service Manual 350A400 Model 10043592 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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Page 3: ...y 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 1...

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Page 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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Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 15: ...nterface 12 2 4 1 GPIB IEEE 488 Communication 12 2 4 1 1 Setting the GPIB IEEE 488 Address 12 2 4 2 RS 232 Communication 12 2 4 3 Fiber Optic Serial Communication 13 2 4 4 USB Communication 14 2 4 5 Ethernet Communication 14 2 4 6 Remote Commands 15 2 4 6 1 Power On Off 16 2 4 6 2 RF On Off 16 2 4 6 3 Reset Faults 17 2 4 6 4 Level Adjust 17 2 4 6 5 Identity 18 2 4 6 6 IO Board Firmware Revision 18...

Page 16: ...9 4 2 Disassembly Procedure 29 4 3 Troubleshooting 30 4 3 1 General Reading Faults 30 4 3 2 The Unit Cannot Be Operated Remotely 31 4 3 3 Thermal Fault Schematic Diagram Nos 10044770 10039874 31 4 3 4 Interlock Fault Schematic Diagram No 10044770 31 4 3 5 Amplifier Faults Schematic Diagram Nos 10044770 10039874 32 4 3 6 Low or No Power Output DC Tests Schematic Diagram No 10044770 32 4 3 7 Low or ...

Page 17: ... and provides graphical displays of the amplifier s Forward and Reflected power levels 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 remote control Ethernet Communication port for remote control Protection is provi...

Page 18: ...air into or exiting from the unit will not be restricted diverted or re circulated through the unit itself in particular the flow of warm air exiting the rear of the amplifier should not be impeded Do not position the unit next to a wall or other equipment that would restrict the flow of air into the bottom of the unit or out of the rear of the unit 1 4 2 Power The Model 350A400 is designed to ope...

Page 19: ...igh gain and linearity are re quired Available in a stylish contemporary cabinet for benchtop use or with cabinet re moved for rack mounting The Model 350A400 when used with a sweep generator will provide a minimum of 350 watts of RF power Included is a front panel gain control which permits the operator to conveniently set the desired output level The 350A400 is protected from RF input overdrive ...

Page 20: ...ONIC DISTORTION Minus 20 dBc maximum at 300 watts SPURIOUS Minus 73 dBc typical PRIMARY POWER 100 240 VAC 50 60Hz 1750 watts CONNECTORS RF Input N female RF Output N female REMOTES PACKAGE IEEE 488 24 pin female RS 232 9 pin subminiature D female Fiber optic ST Conn Tx and Rx RS 232 USB 2 0 Type B Ethernet RJ 45 Safety Interlock 15 pin subminiature D COOLING Forced air self contained fans WEIGHT W...

Page 21: ...Page 3 350A400 350 Watts CW 10kHz 400MHz Graphs ...

Page 22: ...Page 4 350A400 350 Watts CW 10kHz 400MHz Graphs ...

Page 23: ...eer 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 022218 350A400 350 Watts CW 10kHz 400MHz Envelope Drawing ...

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Page 25: ...ed to withstand without damage RF input power levels up to twenty 20 times its rated input of 1mW However signal levels higher than 20mW or transients with high peak voltages can damage the amplifier Also accidental connection of the Model 350A400 s output to its input either through direct connection or parasitic feedback paths will cause oscillations that may permanently damage the unit s input ...

Page 26: ...light emitting diode LED in the switch indicates whether the 350A400 power is on or off The main power supply fans are active when power is on The LCD touch display is active as long as the main circuit breaker for the 350A400 power entry module is on 2 2 1 3 Adjust Knob The ADJUST knob is used to set the RF Gain of the amplifier The range of RF Gain is 0 to 100 percent The ADJUST knob can be rota...

Page 27: ...um 2 Connect the load to the unit s RF OUTPUT connector 3 Set the REMOTE LOCAL switch to LOCAL 4 Check to see that the MAIN POWER switch on the unit s rear panel is set to the on position 5 Press the POWER switch 6 Place the unit in the Operate mode by pressing the RF ON OFF touch screen button 7 Adjust the amplifier s gain by pressing the Select button on the Main Menu then the RF Gain button in ...

Page 28: ...ction screen Section 3 3 1 5 4 To get there from the Main Menu touch the User menu button followed by the I O menu button and finally the GPIB menu button Touching any of the buttons labeled 1 to 30 immediately sets the GPIB address to the corresponding value A thin black outline indicates the present GPIB address selection When the back button is pushed the address selection is stored to non vola...

Page 29: ...a TIMEOUT_ERROR message followed by a Line Feed is sent out from this port The baud rate for the Fiber Optic Serial 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 outline indicates the present baud rate selection When the ...

Page 30: ...nated with a Line Feed character The cable required to make this connection is a USB 2 0 A B peripheral device cable The cable can be no longer than 5 meters If a longer distance is required a USB hub must be used A cable carrying the official USB logo is recommended When connected to a PC running Windows 2000 or XP a window will pop up labeled Hardware Wizard If this PC has National Instruments L...

Page 31: ...ne Feed character is indicated by LF in subsequent command and query definitions All queries can be sent when the Toggle switch is in the LOCAL or REMOTE position All commands can only be sent when the Toggle switch is in the REMOTE position All spaces in command and query definitions are indicated by space If a query is recognized its associated response is echoed out the port it came in on A COM...

Page 32: ...x Parameters State x OFF power off ON power on Response Format None No query for this command Example To turn the power on send the following command POWER ON LF To turn the power off send the following command POWER OFF LF 2 4 6 2 RF On Off This command controls the RF on off state of the 350A400 Syntax RF x Parameters State x OFF power off ON power on Response Format None No query for this comma...

Page 33: ...end the following command RESET LF 2 4 6 4 Level Adjust This command sets the RF gain of the 350A400 Syntax LEVEL xy Parameters Parameter x GAIN RF Gain Value y For RF Gain 0 Minimum 100 Maximum Response Format None No query for this command Example To set the RF Gain to minimum send the following command LEVEL GAIN0 LF To set the RF Gain to 50 send the following command LEVEL GAIN50 LF ...

Page 34: ...entity of the 350A400 send the following command IDN LF Response AR RF MICROWAVE INST XXXXXXXX 1 0 LF 2 4 6 6 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 Response Format INTERFACE_BOARD_SW_REVx LF Where x firmware revision Example To get the firmware rev of the I O Board send the following command ...

Page 35: ...tions can be found in the table below NOTE Bits labeled NOT USED may be read as a bit state of 1 or 0 Table 2 5 States BIT STATE BIT POSITION BIT DESCRIPTION 0 1 NOTES x 0 NOT USED 1 NOT USED 2 NOT USED 3 REMOTE CONTROL DISABLED ENABLED Response to Toggle 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...

Page 36: ...occurred with the 350A400 Syntax FSTA Parameters None Response Format FSTA space 00xx Where xx 0 to 17 Hexadecimal Table 2 6 Faults xx Decimal Description 00 0 No Fault 01 1 PS3 02 2 Interlock 03 3 PS1 04 4 PS2 05 5 Thermal A7 06 6 Thermal A6 07 7 Thermal A5 08 8 Thermal A4 09 9 Thermal A2 0A 10 Thermal PS2 0B 11 Thermal PS3 13 19 Amp A7 14 20 Amp A6 15 21 Amp A5 16 22 Amp A4 17 23 Amp A2 Example ...

Page 37: ...wing query OH LF Response OH space space space space 37 LF The system has spent 37 Hours in an RF On state 2 4 6 11 Operating Hours Power On Query to get the Power On operating hours Syntax OHP Parameters 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 t...

Page 38: ...e x firmware revision Example To get the firmware rev of the piggyback SBB assembly send the following command SBB LF Response SBB_SW_REV2 60 LF 2 4 6 13 System Serial Number Query to get the serial number of the system Syntax SN Parameters None Query only always requires a character Response Format x LF Where x serial number 6 to 8 characters Example To get the serial number send the following co...

Page 39: ...gs back to their factory defaults 2 All applicable defaults can be queried except DEFAULT FACTORY by adding a character in place of the setting parameter 3 If the ALC Lockout Feature not available on all models is engaged the default ALC values set with this command will not be used Example 1 To set the default RF Gain to 75 send the following command DEFAULT LEVEL GAIN75 LF Example 2 To query the...

Page 40: ...osed circuit from interlock connector pin 1 to pin 8 is required for normal operation Opening the Inhibit Interlock connection will inhibit the amplifier and display Fault Interlock on the front panel Touch Display When the Inhibit Interlock circuit is restored to a closed condition the Inhibit Interlock fault can be cleared by pressing the RESET button on the front panel LCD or by using the remot...

Page 41: ... 1 A1 Pre Amplifier Assembly Schematic 10045472 The Pre Amplifier PWB Assembly consists of a variable attenuator circuit Q1 Q4 a gain stage U4 a resistive splitter R13 R14 R16 an RF power detector U6 and associated control circuitry The overall gain of the pre amplifier assembly is approximately 6 8 dB at minimum attenuation The power detector U6 is used to sense the input RF power and it increase...

Page 42: ...litude equal phase signals The amplitude of each signal is 6 6 5dB below the input signal when all outputs are terminated into 50Ω loads 3 2 4 A4 A7 100W 400MHz Module Assembly Schematic 10039874 The 100W 400MHz Module Assembly consists of RF matching circuits an RF transistor Q1 a bias control circuit and a fault detection circuit The RF input is fed to a 4 1 balun transformer composed of T1 and ...

Page 43: ...odules Primary AC circuit protection is provided by the circuit breaker in the Power Entry Module Power Supply PS3 is a single output supply which provides 40VDC to the A4 and A5 power modules and the A9 regulator assembly Primary AC circuit protection is provided by the circuit breaker in the Power Entry Module 3 4 CONTROL SYSTEM 3 4 1 A12 Control Fault Board Schematic 10042218 The A12 Control Fa...

Page 44: ...Model 350A400 28 Rev B ...

Page 45: ...ue to the importance of the amplifier s alignment it is recommended that when failure is caused by breakdown of any of the components in the signal circuits the amplifier be returned to the factory for part replacement and amplifier realignment Shipping instructions are as follows To return an item contact AR Customer Service for an RMA number and shipping instructions Returns from outside the Uni...

Page 46: ...e described in the sections that follow 4 3 1 General Reading Faults 4 3 2 The Unit Cannot be Operated Remotely 4 3 3 Thermal Fault 4 3 4 Interlock Fault 4 3 5 Amplifier Faults 4 3 6 Low or No Power Output DC Tests 4 3 7 Low or No Power Output RF Test 4 3 1 General Reading Faults The Model 350A400 incorporates relatively simple fault detection circuitry which makes use of the digital display panel...

Page 47: ...3 24 25 26 or 27 should be 0 1V 3 If the voltage on A12 J5 pin 23 24 25 26 or 27 is high check the connection to J3 5 and C53 4 3 4 Interlock Fault Schematic Diagram No 10044770 The Model 350A400 is equipped with an interlock connector which is located on the rear panel The interlock circuit can be used to sense the openings of doors to screen rooms test chambers and so forth and to turn off RF en...

Page 48: ...n control is it set to maximum gain 2 Check the RF input to the unit is it the correct amplitude and frequency 3 Check the RF output connection from the unit is it correctly connected to the load Is the coaxial cable okay 4 Check the following voltages on the Power Supply If any of the voltages are out of tolerance correct them before further troubleshooting PS1 J18 Pin 5 15 V 0 5 V PS1 J18 Pin 8 ...

Page 49: ...before conducting the RF tests specified in the following sections 1 The Model 350A400 s typical gain response at 20 dBm input and 0 dBm input is shown in Figure 4 1 and Figure 4 2 The actual gain may vary considerably from that shown in Figure 4 1 but should be 55 5 dBm at 0dBm input Figure 4 1 Typical Response at 20dBm Input Figure 4 2 Typical Response at 0 dBm Input ...

Page 50: ...Model 350A400 34 Rev B Figure 4 3 Typical A Module Response 2 The typical response for the A1 Pre Amplifier at maximum gain setting is shown in Figure 4 4 Figure 4 4 Typical A1 Pre Amplifier Response ...

Page 51: ... 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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