Transceiver with only one reference frequency

Details Transceiver with only one reference frequency Transceiver with only one reference frequency

1977-04-27

1979-07-24

Griffin, Robert L.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

325 25, 333165, H04B 140

Patent

active

041624467

ABSTRACT:
A transceiver includes a first mixer and a detector in the receive signal path and a second mixer and modulator in the transmit signal path, all of which are coupled to and are operated by programmable counter circuits clocked by a single reference frequency generator. In one embodiment, a charge transfer device filter, which is connectable to both the receive and transmit signal paths by a switch and which has an adjustable bandwidth and center frequency, is also coupled to and operated by a programmable counter circuit which is clocked by the single reference frequency generator.

REFERENCES:
patent: 3588701 (1971-06-01), Kahn
patent: 3641434 (1972-02-01), Yates
patent: 3835384 (1974-09-01), Liff
patent: 3983484 (1976-09-01), Hodama
patent: 4027242 (1977-05-01), Yamanaka

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