Carrier recovering circuit for phase modulated signal

Details Carrier recovering circuit for phase modulated signal Carrier recovering circuit for phase modulated signal

1980-03-26

1982-07-06

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Afc with logic elements

329 50, 329122, 331 8, 331 12, 331 36C, 331117R, H03L 708

Patent

active

043385745

ABSTRACT:
The voltage controlled oscillator (VCO) in a phase-locked loop carrier recovery circuit is provided with two control signals, one based upon a phase error between the phase modulated carrier and VCO output and the other based upon a frequency error between the phase modulated carrier and VCO output.

REFERENCES:
patent: 4100503 (1978-07-01), Lindsey et al.
patent: 4156204 (1979-05-01), Hargis
patent: 4255713 (1981-03-01), Yoshida

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