Frequency demodulator and method for asynchronously demodulating

Details Frequency demodulator and method for asynchronously demodulating Frequency demodulator and method for asynchronously demodulating

1994-07-29

1995-12-12

Mis, David

Demodulators

Frequency shift keying or minimum shift keying demodulator

375324, 375334, H03D 300

Patent

active

054753074

ABSTRACT:
An improved digital frequency demodulator and method for demodulating a sampled asynchronous FM input signal that determines the time duration of each successive half cycle by counting the number of successive samples of the same polarity and by interpolating between the samples immediately before and immediately after the detected zero crossings at the beginning and the end of each half cycle.

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