Frequency synthesizer for a transmitter-receiver

Details Frequency synthesizer for a transmitter-receiver Frequency synthesizer for a transmitter-receiver

1984-05-16

1985-09-24

Ng, Jin F.

Telecommunications

Transmitter and receiver at same station

With frequency stabilization

455158, 455183, 455185, 331 1A, H04B 140

Patent

active

045436614

ABSTRACT:
A frequency synthesizer for a transmitter-receiver includes a variable frequency divider which is programmed by coded information supplied by a display device through a code conversion circuit constituted by memories, the contents of said memories not utilized for programming the divider being utilized for programming the control information which permits, through suitable decoder circuits, the direct control of the devices producing the different functions of the transmitter-receiver.

REFERENCES:
patent: 4156196 (1979-05-01), Someno et al.
patent: 4186342 (1980-01-01), Kyle
patent: 4218773 (1980-08-01), Imamura
patent: 4236251 (1980-11-01), Ohgishi et al.

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