Equipment information

Amplifier Research 500A100A Amplifier
Manufacturer
Amplifier Research
Model 500A100A
Date 1997
Category: Measurement instruments
Group Amplifier
Description
Information
                                    The Model 500A 100A is a self-contained, air cooled,
broadband, completely solid state Radio Frequency
(RF) amplifier designed for applications where instantaneous
bandwidth and high gain are required.
Push-pull circuitry is utilized in all high-power stages in
the interest o f lowering distortion and improving
stability. The M odel 500A100A, when used with an RF sweep
generator, w ill provide a m inim um o f 500
w atts o f sw ept power.
Special features incorporated into the Model 500A 100A
include the following:
•
 A front panel 4-line vacuum fluorescent display (VFD) for m
onitoring am plifier status and forward
or reflected output power.
•
 A utom atic Level Control (ALC), which can be controlled by
internal circuits or by an external input
with front panel control o f the ALC Threshold.
•
 Pulse input capability.
•
 RF output level protection,
•
 An internal RF detector, w hich provides an output for use
in self-testing or operational modes.
•
 A front panel gain control for adjusting the am plifier’s
gain when operating the am plifier .in the
“M anual” mode.
•
 Provisions are m ade for rem ote control o f all operating
functions of the am plifier via IEEE-488
and R S-232 com puter protocols.
Protection is provided by DC current and voltage sensing o f
each o f the final RF am plifier modules.
Housed in a stylish, contem porary cabinet, the M odel
500A100A provides readily available RF power for
typical applications such as RF susceptibility testing,
antenna and component testing, wattm eter
calibration, and use as a driver for higher power amplifiers.

These manuals are available for the above equipment:

Amplifier Research -- 500A100A -- Service and User Manual
File name AmplifierResearch-8020-Manual-Page-1-Picture
Manual Type Service and User Manual
Pages 40
Size 1.33 Mbytes (1390248 Bytes)
Language english
Revision
Manual-ID/Number
Date 01 January 1997
Quality Scanned document, all readable.
Upload date
MD5 de8eda104a16ddb300e072795f81614e
Downloads 38 since 10 September 2016
Information
G E N E R A L IN F O R M A T IO N
General D
escription............................................................................1-1
Specifications.......................................................................................
1-1
Pow er
Supplies.....................................................................................1-2
Protection C
ircuits..............................................................................
1-2
Installation............................................................................................
1-2
Location.......................................................................
......................... 1-2
P o w e
r.....................................................................................................
1-2
O P E R A T IN G IN S T R U C T IO N S
/ KAΔG en
eral...................................................................................................2-1
Control and Indicator
Functions.......................................................2-1
K eylock S w
itch....................................................................................2-1
P O W E R S w itch
.................................................................................
2-1
STA N D B Y S w itc h
.............................................................................
2-3
O P E R A T E S w itc h
.............................................................................
2-3
R E S E T Sw
itch.....................................................................................
2-3
RF Overload
Alarm.............................................................................
2-3
Digital Control Panel (DCP) O p eratio n
s.......................................2-3
Selecting A m plifier Operating M o d e
............................................. 2-5
Adjusting A m plifier C o n tro
ls.......................................................... 2-6
Inputs and O
utputs..............................................................................
2-7
R F IN P U T
.......................'....................................................................
2-7
R F O U T P U T
........................................................................................2-8
D E T E C T E D O U T P U T
............................................
......................2-8
D E T E C T E D IN P U T (+)
(Positive)...............................................2-8
D E T E C T E D IN P U T (-) (N eg a tiv
e)............................................. 2-8
P U L S E IN P U T
....................................................................................2-8
IEEE-488 and RS-232 In terfa
ces....................................................2-9
A U X (Interlock) C
onnector..............................................................
2-9
A m plifier O
peration............................................................................
2-9
M anual M o d e
.......................................................................................
2-9
Autom atic Level Control (Internal D etector) M o d e
................ 2-10
Autom atic Level Control (External D etector) M o d e
...............2-11
Pulse M o d e
.........................................................................................2-12
Remote O
peration.............................................................................
2-13
T H E O R Y O F O P E R A T IO N
G en
eral...................................................................................................3-1
A m p
lifier..............................................................................................
3-1
Power S u p p ly
.......................................................................................
3-2
Control C
ircuits....................................................................................3-2
Control C
ircuits...................................................................................
3-2
Level Control C
ircuits........................................................................
3-3
TH EO R Y OF O PER A TIO N (CONTINUED)
Fault D etection/Indicator C irc u
its...................................................3-4
Therm al
Faults.......................................................................................3-4
RF O verload
Faults..............................................................................3-4
Final RF A m plifier F
aults..................................................................
3-4
Low -V oltage F a u lts
............................................................................
3-5
Front Panel C o n tro
ls...........................................................................
3-5
TR O U B L E SH O O T IN G AND R E PA IR
/h, G en
eral...................................................................................................
4-1
Д U sing the Digital Control Panel to A id in T
roubleshooting..... 4-2
Pow er Supply F a u
lts...........................................................................
4-2
Thermal F a u
lt........................................................................................4-2
A m plifier F ault......
.........................................................................
....4-2
RF Overload fa u
lt................................................................................
4-2
REPLACEABLE PARTS
Introduction...........................................................................................5-1
Ordering info rm atio n
..........................................................................5-1
N on-Li sted
Parts...................................................................................5-1
Circuit D
esignators..............................................................................5-1
M anufacturer A bbreviation L istin g
................................................ 5-3
M aster L
ist............................................................................................
5-3
Schem atics and Bills o f M aterials (B O M
s).................................. 5-3
A p p en d ix A: M a n u f a c t u r e r s 5 A b b r e v ia
t io n s ..............A -l
R ECO M M ENDED SPARE PA R TS
L ev el o f M
aintenance...........................................................................
6-1
W a r r a n t ie s : Lim it a t io n o f L ia b il it ie s
M odel 500A 100A Front
Panel...........................................................2-2
M odel 500A 100A R ear P
anel............................................................2-2
M odel 500A100A D isplay S c re e n
s................................................ 2-4
M odel 500A100A Signal Flow D ia g ra m
......................................3-1
IEEE-488 Device Address S electio n
.............................................2-15
Remote Error C odes/M
essages.......................................................2-16
RS-232 Connector P in -O u
ts............................................................
2-17

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