Oversampling rotational frequency detector

Details Oversampling rotational frequency detector Oversampling rotational frequency detector

1997-07-01

2000-04-25

Chin, Stephen

Pulse or digital communications

Synchronizers

Phase displacement, slip or jitter correction

375374, 375376, 331 1A, 331 25, H03D 324

Patent

active

060552867

ABSTRACT:
This invention provides a simple yet robust solution to the phase-locked loop frequency acquisition problem in clock and data recovery circuits by using a frequency detector with a deadband, which is constructed in part with an oversampling rotational frequency detector.

REFERENCES:
patent: 4308505 (1981-12-01), Messerschmitt
patent: 4587496 (1986-05-01), Wolaver
patent: 4594564 (1986-06-01), Yarborough, Jr.
patent: 4803705 (1989-02-01), Gillingham et al.

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