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TM 11-5820-695-35
NOTE
3-77.
CV-3633/GRC-144(V) Reflected Power Threshold
Test and Calibration
Disregard  status  panel  waveguide
switch FREQUENCY BAND IN USE and
Converter-Multiplier CV-3633/GRC-144(V) reflected
transmitter WAVEGUIDE SW indicator
power threshold test and calibration test assumes that the
alarms.
AN/GRC144(V)4 output power test at 14.4 to 15.0 GHz
and power alarm calibration procedures have been
(2) Insure that transmit switch waveguide is set to
performed and all performance standards are in
the 15 GHz TEST (TC LOAO) position. For the AN/GRC-
accordance with paragraph 3-76.
144(V)4  optional  configuration,  insure  that  Switch,
Waveguide SA-1679/GRC is set to the TO LOAD (TEST)
a. Test Equipment and Materials.
position.
(1) Adapter WG/SMA(F), Narda 4609,
(2)  Attenuator, Narda 4779-3,
(3) Termination Short, Narda 4230-416.
.
b. Test Connections and Conditions
NOTE
(3) Open waveguide connection at Converter-
To  perform  the  AN/  GRC-144(V)4
Multiplier CV-3633/GRC -144(V) ANT 34 output and first
output  power  test  the  waveguide
shelter waveguide connection by removing Screws that
connection at Converter Multiplier CV-
secure  waveguide  and  the  CV-3633/GRC-144(V)
3633/
GRC-144(V)
3A7J4
ANT
together.
waveguide flange must be opened.
(4) Move the waveguide to a safe location.
(5) Interconnect  the  test  equipment  in
(1)  Record the T-1054(P)A/GRC144(V) and CV-
accordance with the test setup shown in figure 3-38.
3633/GRC-144(V) filter 3A3 and 3A4 operating frequency
c. Initial Test Equipment Calibration. None.
and dial settings respectively.
Change 6
3-105


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