Flexible waveform generator with extended range capability

Details Flexible waveform generator with extended range capability Flexible waveform generator with extended range capability

2008-07-25

2010-06-01

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synthesizer

Reexamination Certificate

active

07728634

ABSTRACT:
A frequency synthesizer includes a first clock running at a frequency fCLK1, a second clock running at a frequency fCLK2, wherein frequency fCLK2is higher than frequency fCLK1, the frequencies having a fixed ratio QFB=fCLK2/fCLK1; and a counter driven by the first clock. A decoder for produces QFBoutput values in parallel for each cycle of the first clock, and parallel-serial converter serially outputs these QFBoutput values at the frequency of the second clock.

REFERENCES:
patent: 3500213 (1970-03-01), Ameau
patent: 3657657 (1972-04-01), Jefferson
patent: 4068178 (1978-01-01), Tunzi
patent: 5598448 (1997-01-01), Girardeau, Jr.
patent: 6127859 (2000-10-01), Lim

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