Clock signal generation using digital frequency synthesizer

Details Clock signal generation using digital frequency synthesizer Clock signal generation using digital frequency synthesizer

2007-10-02

2007-10-02

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Clock or pulse waveform generating

C327S105000, C327S156000

Reexamination Certificate

active

11261337

ABSTRACT:
A method of generating a clock signal using a digital frequency synthesizer includes providing a base clock to the digital frequency synthesizer, comparing a phase of an output clock from the digital frequency synthesizer with a phase of a reference signal, and issuing at least one frequency control command to the digital frequency synthesizer to align the phases.

REFERENCES:
patent: 5493243 (1996-02-01), Ghoshal
patent: 5631933 (1997-05-01), Chu et al.
patent: 5815540 (1998-09-01), Aoki
patent: 6285172 (2001-09-01), Torbey
patent: 6931243 (2005-08-01), Goldman
patent: 7123064 (2006-10-01), Parikh
U.S. Appl. No. 11/232,154, filed Sep. 21, 2005, for “Clock Recovery” of Jayen Desai.

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