Phase-locked digital synthesizers

Details Phase-locked digital synthesizers Phase-locked digital synthesizers

1996-02-21

1997-05-20

Chin, Stephen

Pulse or digital communications

Synchronizers

375376, H04L 2300

Patent

active

056319339

ABSTRACT:
A master and a slave digital frequency synthesizer are phase-locked such that the master synthesizer is always selected to minimize the phase hits which occur when switching the master to be a slave and vice versa. The switching rearrangement is done automatically and rapidly in the event of failure of the master frequency synthesizer.

REFERENCES:
patent: 4030045 (1977-06-01), Clark
patent: 4330854 (1982-05-01), Zeitraeg
patent: 4970473 (1990-11-01), Lietar
patent: 5194828 (1993-03-01), Kato et al.
patent: 5391996 (1995-02-01), Marz

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