Frequency synthesizing system for AM.multidot.SSB transceiver

Details Frequency synthesizing system for AM.multidot.SSB transceiver Frequency synthesizing system for AM.multidot.SSB transceiver

1979-04-16

1981-01-20

Pitts, Harold T.

Telecommunications

Transmitter and receiver at same station

With frequency stabilization

455 87, H04B 140

Patent

active

042465397

ABSTRACT:
A frequency synthesizing system for use in an AM.multidot.SSB transceiver of double conversion type comprising a single crystal oscillator in its PLL synthesizer. The fundamental frequency of the PLL synthesizer provided by the oscillation of the crystal oscillator is selected to be n times (where n is an even number) the second intermediate frequency of the transceiver so that all the frequencies required for the operation of the AM.multidot.SSB transceiver can be derived from the oscillation frequency of the single crystal oscillator, whereby to simplify the structure of the AM.multidot.SSB transceiver and to facilitate the adjustment of the transceiver.

REFERENCES:
patent: 4097805 (1978-06-01), Fujii

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