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 TM 11-6625-2975-40
RF SECTION OPERATION.
The rf section consists of:
1. Rf modulator assembly A3
2. Synthesizer assembly A4
3. Digitally controlled attenuator A6AT1.
The rf modulator assembly A3 is made up of:
1. Rf strip line assembly A3A1
2. Demodulator/ale assembly A3A2
3. Counter I/O board A3A3.
The rf section generates the rf carrier signal, modulates the carrier signal with the audio modulation
signal, and adjusts the rf output level. The modulated rf signal from digitally-controlled attenuator
A6AT1 is then applied to the RF OUT connector on the front panel.
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