Fractional-N divider configurable as a polynomial function...

Details Fractional-N divider configurable as a polynomial function... Fractional-N divider configurable as a polynomial function...

2006-10-19

2008-11-11

Lam, Tuan T (Department: 2816)

Electrical pulse counters, pulse dividers, or shift registers: c

Systems

Pulse multiplication or division

C377S048000

Reexamination Certificate

active

07450680

ABSTRACT:
This invention adds a non-linear sweep accumulator to the conventional sigma-delta fractional-N divider to produce a N.F value that is a polynomial function of time. This allows any non-linear sweep profiles to be approximated.

REFERENCES:
patent: 6236703 (2001-05-01), Riley
patent: 6353649 (2002-03-01), Bockleman et al.
patent: 6614813 (2003-09-01), Dudley et al.
patent: 2007/0211819 (2007-09-01), Greenberg

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