Equipment information:

Amplifier Research 5S1G4 Amplifier
Manufacturer:
Amplifier Research
Model: 5S1G4
Date:
Category: Measurement instruments
Group: Amplifier
Description: Broadband Amplifier
Information:
                                    The Model 5S1G4 is a solid state, self-contained,
air-cooled, broadband amplifier designed for applications
where instantaneous bandwidth and high gain are required.
Housed in a stylish contemporary cabinet, the
unit is designed for benchtop use, but can be removed from
the cabinet for immediate equipment rack
mounting. The 5S1G4, when used with a sweep generator, will
provide a minimum of 5 watts of RF power.
Included is a front panel gain control which permits the
operator to conveniently set the desired output level.
The 5S1G4 is protected from RF input overdrive by an RF
input leveling circuit which controls the RF input level
to the RF amplifier first stage when the RF input level is
increased above 0 dBm. The RF Amplifier stages are
protected from over temperature by removing the DC voltage
to them if an over temperature condition occurs
due to cooling blockage or fan failure. There is a fault
lamp on the rear panel to indicate an over temperature
or power supply fault condition. The unit can be returned to
operate when the condition has been cleared.

These manuals are available for the above equipment:

Amplifier Research -- 5S1G4 -- Service and User Manual
File name: AmplifierResearch-8021-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 136
Size: 2.46 Mbytes (2576829 Bytes)
Language: english
Revision:
Manual-ID/Number: 1007385-501_
Date:
Quality: Scanned document, reading partly badly, partly not readable.
Upload date:
MD5: d3e01f33a8146b233787dcab10aa42ca
ed2kID: 2939a4e59cd65e1ba397914a54705c7c
Downloads: 1 since 10 September 2016
Information:
TABLE O F C O N T E N T S
.............................................................................................................i
1.
1.1
1.2
1.3
G E N E R A L IN F O R M A T IO N
.............................................
....................................... 1
G eneral
Description.............................................................................
........................... 1
Power S
upplies.................................................................................................................
1
Specifications....................................................................................................................
1
2.
2.1
2.2
O P E R A T IN G IN S T R U C T IO N S
................................................................................5
G
eneral...........................................................
....................................................................5
Amplifier
Operation...........................................................................
............................. 6
3.
3.1
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.3
3.3.1
T H E O R Y O F O P E R A T IO N
........................................... 7
Introduction.......................................................................................................................
7
RF Am plifier
Operation...................................................................................................7
A l Variable Gain Amp (Schematic No. 1012338 Part o f
Schematic 1012408).... 7
A3 Linearizer Control Circuit (Schematic 1012335 Part o f
Schematic 1012408) 7
A4 One (1) Watt Amplifier (Schematic 1010591 Part o f
Schematic 1012011)....8
A5 Bias Control (Schematic 1011214 Part o f Schematic
1012011)....................... 8
Quadrature-Coupled Amplifiers (“Quad Am ps”) (Schematic No.
1011064)........8
Power Supply (Schematic
1007413).............................................................................
9
A7 Regulator/Fault Board (Schematic
1007397)...................................................... 9
4.
4.1
4.2
4.3
4.4
4.5
4.6
4.7
M A IN T E N A N C E
..........................................................................................................11
General Maintenance Inform
ation..............................................................................
11
Disassembly
Procedure..................................................................................................11
Troubleshooting..............................................................................................................12
Green Power Indicator LED Doesn't
Light...........................................................
. 12
Thermal Fault..............
...................................................................................................
13
Voltage F a u
lt..................................................................................................................
13
Low or No RF power
output........................................................................................
13
AmplifierResearch-8021-Manual-Page-1-Picture
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