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VZ-28 Circuit Description

一．RECEIVER

The signal from the antenna is passed through a transmission/reception

selector circuit and is amplified by T217. The signal after amplified enter to 1846

for processing then output the audio, the audio signal is amplified by UTC2822

and output by the speaker at last.

二.TRANSMITTE

The signal from the microphone passes through 1846, after modulation in

the carrier modulation, the modulation signal with the carrier promotes by

buffer T121,T131, and amplified by T141 then sends to the antenna terminals.

Motorola solutions Mag One VZ Series User Manual

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