Transmission and reception control circuit for a transceiver

Details Transmission and reception control circuit for a transceiver Transmission and reception control circuit for a transceiver

1977-05-12

1979-07-17

Griffin, Robert L.

325 25, H04B 140

Patent

active

041616952

ABSTRACT:
A transmission and reception control circuit for a transceiver adapted to compare the output frequency of a fixed frequency divider with that of a variable frequency divider thereby to automatically control the output frequency of a voltage-controlled oscillator, in which the output of a phase detector is compared with any of the output of a code converter, that of a channel-selection code generator and that of a press-to-talk switch singly or in combination thereby to control the operation of the transmitting and receiving stages.

REFERENCES:
patent: 3543053 (1970-11-01), Mustain
patent: 3887872 (1975-06-01), Sharpe
patent: 3971985 (1976-07-01), Arai
patent: 3983484 (1976-09-01), Hodama
patent: 4002995 (1977-01-01), Reed
patent: 4061973 (1977-12-01), Reimers et al.
patent: 4065720 (1977-12-01), Pogue

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