FSK signal demodulator

Details FSK signal demodulator FSK signal demodulator

1987-08-13

1989-03-14

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

329104, 329126, H03D 300

Patent

active

048130583

ABSTRACT:
An FSK signal demodulator for demodulating digital data from a frequency shift keying signal. A timing clock for the digital data is extracted from the FSK signal, and a sampling circuit samples the FSK signal by means of a clock having a frequency which is almost equal to one frequency of the FSK signal or which is almost equal to an integral multiple of that fequency.

REFERENCES:
patent: 3670249 (1972-06-01), Meslener
patent: 4616187 (1986-10-01), Watanabe
patent: 4656431 (1987-04-01), Chapman
patent: 4723288 (1988-02-01), Borth et al.

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