Phase locked loop for synchronizing VCO with digital data pulses

Details Phase locked loop for synchronizing VCO with digital data pulses Phase locked loop for synchronizing VCO with digital data pulses

1976-06-14

1977-10-25

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Afc with logic elements

307232, 328133, 328155, 331 11, 331 27, 360 51, H03B 304

Patent

active

040558142

ABSTRACT:
A phase-locked loop is provided with a phase detector capable of providing phase error magnitude and direction information for synchronizing a voltage controlled oscillator with a train of data pulses spaced apart in integral multiples of a fundamental clock period using an edge-triggered flip-flop and simple digital logic gates.

REFERENCES:
patent: 3383619 (1968-05-01), Naubereit et al.
patent: 3671876 (1972-06-01), Oshiro
patent: 3943454 (1976-03-01), Gefgen
patent: 3944940 (1976-03-01), Desai

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