Fast frequency hopping synthesizer

Details Fast frequency hopping synthesizer Fast frequency hopping synthesizer

1977-09-23

1978-07-25

Kominski, John

Oscillators

Automatic frequency stabilization using a phase or frequency...

Afc with logic elements

331 16, H03B 308

Patent

active

041032500

ABSTRACT:
The output of a fast frequency hopping VCO is mixed with the output of a conventional slow acquisition frequency synthesizer to produce an IF which is applied to a frequency discriminator where the IF is compared with a reference IF to provide an error signal which is digitized and stored in a memory. Subsequently, the error signal is applied together with a command signal to the VCO to obtain the desired frequency output.

REFERENCES:
patent: 3675146 (1972-07-01), Langham
patent: 3974457 (1976-08-01), Bates et al.
patent: 4023103 (1977-05-01), Malm

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