TM 11-6625-1696-12
radio frequency modules test facility (fig. 1-8). A
A location chart for the accessories is stenciled on the
location chart for the accessories is stenciled on the
internal lid of the receiver test facility case. This lid is
internal lid of the RF modules test facility case.
shown closed in figure 1-3 and open in figure 1-4.
g.
AccessoryKit,TestMK-1985(V)l/ GRM-95(V)2
consists of Case, Accessory Kit, Test Facility CMC 538-
consist of a front panel and a rear chassis on which are
800071-004, which contains various accessories as
mounted plug-in subassemblies.
All connections
itemized in paragraphs 1-7 and 1-8. These accessories
between the front panels and rear chassis are made
and their storage positions in the accessory kit case are
through three connectors.
The front panels are
identified by two stenciled location charts, one in each
supported and guided by slides during removal and
half of the accessory kit case.
replacment.
h. Test Fixtures.
e. Accessory Kit, Test Facilities
Set
MK-
(1) Test Fixture, Frequency Multiplier TS-
1173(V)2/GRM-95(V)2consists of
Case,
3824/GRM-95(V)2 is a mechanical jig used to test and
Accessory Kit CMC 407-703/1, Power Supply PP-
aline Frequency Multiplier SM-D-696351 (33A2A1) of
6304/GRM-95(V)2, and test sets, synthesizer extension
Radio Set AN/GRC-103(V)2. The unit is contained in
boards, dummy loads, detectors, directional coupler,
Case CMC 538-800078-000, which is used for storage
fixed and variable attenuators, bandpass filters, depth
and transportation purposes only. For testing, the unit is
gages, an impedance bridge, a return loss bridge, a
removed from its protective case.
double balanced mixer, a radio frequency switch, a loss
(2) Test Fixture, Bandpass Filter CMC 617-
800417-000 is a mechanical jig used to test and aline
parts and their storage positions in the accessory kit
Bandpass Filter SM-E--696353 (33A2FL1) of Radio Set
case are identified by two stenciled location charts, one
ANIGRC-103(V)2. The unit is contained in Case CMC
in each half of the accessory kit case. These lids are
538-800079-000. The case is used for storage and
shown closed in figure 1-5 and open in figure 1-6.
f.
transportation puroses only.
Facility, Radio Frequency Modules TS-
(3) Test Fixture, Amplifier-Frequency Multiplier
3837(V)2/GRM-95(V)2 consists of Case, Test Facility,
TS-3826/GRM-95(V)2 is a test stand which provides a
Radio Frequency Modules CMC 538-800070-000 and
mechanical function and also provides access for dc
Panel Test, Electrical- Assembly (test panel) TS-
electrical connection to Panel,
Test, Electrical
3832/GRM-95(V)2 (fig. 1-7). The RF modules test
Assembly TS-3832/GRM-95(V)2. This test fixture is
facility extends the capabilities of the transmitter and
used to test and aline Frequency Multiplier SM-D-
receiver test facilities, to provide testing of the
865053 (37A1) and Amplifier- Frequency Multiplier SM-
subassemblies of the RF heads of Radio Set AN/GRC-
E-696507 (38A1) of Radio Set AN/GRC-103(V)2, and 3
103(V)2, 3, and 4. The RF modules test facility is also
respectively. The unit is contained in Case CMC 538-
used in conjunction with Test Fixture Amplifier-
800080-000 which is used for storage and transportation
Frequency Multiplier TS-3826/GRM-95(V)2; Test
purposes only.
Fixture, Radio Frequency Amplifier TS-3828/GRM-
(4) Test Fixture, Bandpass Filter TS-3827/GRM-
95(V)2; and Test Fixture, Frequency Multiplier TS-
95(V)2 is a mechanical jig which is used to aline and
3829/GRM-95(V)2. Power to the test panel of the RF
test the input vswr, bandwidth, rejection, and insertion
modules test facility is supplied by the transmitter or
loss following the prescribed tuning law of Filter,
receiver test facilities when testing modules from the
Bandpass SM-E-696469 (34A2FL1). Bandpass Filter
transmitter or receiver RF heads respectively. Metering
34A2FL1 is part of Radio Set AN/GRC-103(V)3. The
of the signals from modules being tested by the RF
test fixture is contained in Case CMC 538-800081-000,
modules test facility is provided by meter M1 on the
which is used for storage and transportation purposes
transmitter or receiver test facilities. Also required is an
only.
external 13-volt power supply which is used to power the
(5) Test Fixture, Radio Frequency Amplifier TS-
voltage regulator section of the test panel. The test
3828/GRM-95(V)2 has both a mechanical and electrical
panel is normally stored in one-half of the RF modules
function to aline and test Amplifier Radio Frequency
test facility case as shown in figure 1-7, and can be
SM-E-794114 (40AR1).
The mechanical function
operated while in the case. It can also be removed and
includes use as a mechanical jig as well as providing
installed in a standard 19-inch relay rack. Cable
connection to the transmitter test facility in order to
assemblies, test leads, adapter-connectors, dummy
supply cooling air
loads, attenuators, waveguide probes, an air hose and
filters are stored in two layers in the other half of the
1-24
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