Oscillators – Automatic frequency stabilization using a phase or frequency... – Afc with logic elements
Patent
1992-05-14
1993-08-10
Grimm, Siegfried H.
Oscillators
Automatic frequency stabilization using a phase or frequency...
Afc with logic elements
331 11, 331 25, 307516, 328133, H03L 7087
Patent
active
052352900
ABSTRACT:
A method and apparatus for smoothing out phase fluctuations in a monitored input signal by: detecting the partial-cycle differences in phase between the input signal and a reference signal, and generating a first error signal representing the partial-cycle differences in phase; detecting full-cycle differences in phase between the input signal and the reference signal, and generating a second error signal representing the full-cycle differences in phase; and utilizing the first and second error signals for smoothing out the phase fluctuations in the input signal.
REFERENCES:
patent: 3703686 (1972-11-01), Hekimian
patent: 4587496 (1986-05-01), Wolaver
patent: 4940952 (1990-07-01), Kegasa
Barish Benjamin J.
Grimm Siegfried H.
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