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Page Title:
FREQUENCY RESPONSE PERFORMANCE TEST. |
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 TM 11-6625-2975-40
TEST EQUIPMENT REQUIRED: Power Meter HP 432A with thermistor mount 478A
RF Cable RG-58/U
EQUIPMENT SETUP: Connect test set to 115 vac power source.
Connect power meter/sensor to test set as indicated in the following diagram.
EL9LY013
Turn equipment on. Allow at least 30 minutes for warmup.
PROCEDURE
Enter frequency 74.60 MHz into test set.
1.
Set test set RF LEVEL to 6 dBmW.
2.
Remove modulation by extinguishing all lit TONE SELECT keys.
3.
Power meter should indicate- 6 dBmW 0.5 dB. If not, go to troubleshooting
4.
chart 2-1, sh 7.
Repeat procedure at frequencies 75.00,75.40, 108.00, 110.00, 111.95,114.00,
5.
116.00, 117.95,329.15,331.10, 333.50, and 335.00 MHz.
NOTE
Test set TONE SELECT keys must be extinguished after each frequency change.
OUTPUT ATTENUATOR ACCURACY PERFORMANCE TEST.
TEST EQUIPMENT REQUIRED: Same as Frequency Response Performance Test (para 2-6).
EQUIPMENT SETUP: Same as Frequency Response Performance Test (para 2-6).
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