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Operating and 

Service Manual 

800A3B 
Model 

10036390 
Part Number

Serial Number 

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

866-859-0582

 • www.arworld.us

 

Содержание 10036390

Страница 1: ...Operating and Service Manual 800A3B Model 10036390 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: ...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 Measure...

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Страница 5: ...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...

Страница 6: ...a 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...

Страница 7: ...von 10 2 cm 4 in auf allen bel fteten Seiten des Ger ts ein um eine ausreichende Luftzirkulation zu gew hrleisten Beintr chtigen Sie den Luftstrom des Ger ts nicht indem Sie L ftungs ffnungen oder de...

Страница 8: ...allen in diesem Dokument angegebenen Anweisungen zur Anbringung Stellen Sie sicher dass alle Anschl sse f r den beabsichtigten Betrieb geeignet sind Informationen zu den Anschl ssen erhalten Sie im Be...

Страница 9: ...tilation Ne limitez pas le flux d air allant dans l quipement en bloquant tout vent ou entr e d air La restriction du flux d air peut endommager l quipement causer des coupures intermittentes ou des d...

Страница 10: ...dent lorsque vous installez ou retirez l unit Respectez toutes les instructions concernant l installation et le levage de l quipement indiqu es dans ce document Assurez vous que les connecteurs sont a...

Страница 11: ...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 a...

Страница 12: ...nstellen 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 gebruikershand...

Страница 13: ...Indicator Functions 7 2 2 1 Keylock Switch 7 2 2 2 POWER Switch 7 2 2 3 Main Power Circuit Breaker 9 2 2 4 RF ON OFF 9 2 2 5 RESET Function 9 2 3 Digital Control Panel DCP Operations 10 2 3 1 Amplifi...

Страница 14: ...Transformer Mode 27 3 THEORY OF OPERATION 29 3 1 General 29 3 2 Amplifier 29 3 2 1 Amplifier RF Input 29 3 2 2 Driver Assembly 29 3 2 2 1 Variable Gain Amp 29 3 2 2 2 Low level amplifier 29 3 2 2 3 4...

Страница 15: ...placement 38 LIST OF FIGURES 2 1 Digital Control Panel DCP Features 8 2 2 Rear Panel Features 9 2 3 Touch Panel Display Menu Map 11 2 4 Typical Setup 12 4 1 Module Locations 37 LIST OF TABLES 2 1 RS 2...

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Страница 17: ...graphical displays of the amplifier s Forward and Reflected power levels RF output level protection An internal RF detector which provides an output for use in self testing or operational modes A Gene...

Страница 18: ...amplifier Power amplifier modules are monitored for both over current and under current A RESET function is provided to permit re powering of the amplifier in case of transient or temporary activatio...

Страница 19: ...mplifier before servicing the unit 1 6 CONNECTORS 1 6 1 Amplifier Input Connector The RF input connector for the amplifier is located on the left side of the control panel It is a female Type N connec...

Страница 20: ...2 IEEE 488 A standard 44 pin female GPIB panel connector is provided on the rear panel 1 6 4 3 USB A standard USB B connector is provided on the rear panel 1 6 4 4 RS 232 Fiber Optic A standard F O ST...

Страница 21: ...nce with the U S Export Administration Regu lations Diversion contrary to U S law is pro hibited The Model 800A3B is a self contained air cooled broadband solid state amplifier de signed for applicati...

Страница 22: ...mote control and power an external impedance transformer RF POWER DISPLAY 0 1000 Watts full scale Direc tional power monitor allows separate display of for ward and reflected power COOLING Forced air...

Страница 23: ...accidental connection of the Model 800A3B s output to its input either through direct connection or parasitic feedback paths will cause oscillations that may permanently damage the unit s input transi...

Страница 24: ...E 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...

Страница 25: ...according to control settings and amplifier RF input In the RF OFF state there will be no RF output 2 2 5 RESET Function The RESET function is a touch screen menu selection that will cause the amplifi...

Страница 26: ...ON OFF button The RF ON OFF button causes the power amplifier sections to produce RF output power from the output connector based on the various settings and the input level to the amplifier To the f...

Страница 27: ...Model 800A3B Rev D 11 Figure 2 3 Touch Panel Display Menu Map Values shown on screens are for illustration only...

Страница 28: ...the input attenuator of the preamplifier leveler module This control simply adjusts the output power level for a fixed input power level Adjust the RF Gain value using the adjust knob Please note that...

Страница 29: ...as determined by the position of the Keylock Switch a special Remote display is shown see Figure 2 3 Front panel controls are deactivated except for the Keylock Switch which can be rotated to LOCAL o...

Страница 30: ...button Adjust the manual gain control for the desired signal output level as measured on the RF wattmeter You are now calibrated for a given output power from the Model 800A3B Place the amplifier in t...

Страница 31: ...B interface terminate the command with a Line Feed character an EOI or both The amplifier will ignore characters following the termination 2 6 1 1 Setting the IEEE 488 GPIB Address The IEEE 488 device...

Страница 32: ...ry is received it is processed and the result is immediately transmitted back over the Fiber Optic interface This port is designed to time out if there is no activity on the bus for more than 5 second...

Страница 33: ...t computer to have a USBTMC driver available All commands and queries through this port must be terminated with a Line Feed character The cable required to make this connection is a USB 2 0 A B periph...

Страница 34: ...character is indicated by LF in subsequent command and query definitions All queries can be sent when the Keylock switch is in the INHIBIT LOCAL or REMOTE position All commands can only be sent when t...

Страница 35: ...ER 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 foll...

Страница 36: ...x GAIN RF Gain Value y 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 se...

Страница 37: ...ain ALC threshold and ALC response time of the amplifier Syntax MSB Parameters None Query only always requires a character Response Format RF space GAIN x DT space GAIN x THRES x RESP y LF Value x For...

Страница 38: ...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 C...

Страница 39: ...eros 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 10 Reverse Power Qu...

Страница 40: ...that have occurred with the amplifier Syntax FSTA Parameters None Response Format FSTA space 00xx Where xx 00 to 1A Hexadecimal xx Dec Description 00 0 No Fault 04 4 Interlock 05 5 PS3 06 6 PS4 0A 10...

Страница 41: ...ing query OH LF Response OH space space space space 37 LF The system has spent 37 Hours in an RF On state 2 6 6 14 Operating Hours Power On Query to get the Power On operating hours Syntax OHP Paramet...

Страница 42: ...T Not available on all models NOTES 1 Use the command DEFAULT FACTORY to reset all applicable settings back to their factory defaults 2 All applicable defaults can be queried except DEFAULT FACTORY by...

Страница 43: ...ce Example To find out the selected output impedance send the following query IMPI LF Response IMPI 3 LF 2 6 6 17 Impedance Transformer Mode Query to get the selected output impedance transformer mode...

Страница 44: ...Model 800A3B Rev D 28...

Страница 45: ...on the control panel the signal travels to the driver which is a self contained RF tight assembly 3 2 2 Driver Assembly The driver assembly has three parts the variable gain amp the low level amp and...

Страница 46: ...ed in the relatively noise and heat free area behind the front display panel in an enclosure where the Automatic Level Control ALC and Fault boards also reside The detected signals are used by the ALC...

Страница 47: ...r RF inhibit pins 1 and 8 if the user so desires Both types can be used simultaneously in their respective circuits If the AC interlock circuit is open a direct logic signal will be applied to the Con...

Страница 48: ...le is covered in Section 3 2 3 Parts dealing with faults are explained here Refer to schematic diagram 10021041 200 Watt Module There are two possible faults that will signal the control system They a...

Страница 49: ...the RF ON command to return to normal operation 3 5 5 2 AC Interlock For interlock applications that are more safety critical where logic circuits are not trusted the AC interlock can be used to disco...

Страница 50: ...Model 800A3B Rev D 34...

Страница 51: ...ust be immediately repaired with a minimum of down time A systematic approach can greatly simplify and thereby speed up repairs The Model 800A3B incorporates fault control and detection circuits inclu...

Страница 52: ...aults Indication PS3 or PS4 The main power supply has failed to produce DC voltage within the design range of the power supply The main power supplies are located on the bottom shelf of the amplifier...

Страница 53: ...3B Rev D 37 4 3 DIAGNOSING AND REPLACING AMPLIFIER MODULES 4 3 1 Locating Modules See Figure 4 1 FRONT OF AMPLIFIER DRIVER COMBINER IMPEDANCE TRANSFORMER A3 A4 A5 A6 Figure 4 1 800A3B Module Locations...

Страница 54: ...signal connector heavy DC power supply connector and the input and output SMA connectors can be disconnected from the module being serviced Take note of any connector that is found loose To remove th...

Страница 55: ...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...

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