CV-3633/GRC-144(V) Reflected Power Threshold Test and Calibration

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