Counter/divider, and phase locked loop including such...

Details Counter/divider, and phase locked loop including such... Counter/divider, and phase locked loop including such...

2011-03-01

2011-03-01

Lam, Tuan (Department: 2816)

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

Systems

Pulse multiplication or division

C377S048000

Reexamination Certificate

active

07899147

ABSTRACT:
A counter/divider where the counter/divider comprises a: a pre-scaler operable in a first mode to divide an input signal by M and in a second mode to divide the input signal by N, where N is greater than M; a first programmable counter, and a second programmable counter; and where the first and second programmable counters are responsive to an output of the pre-scaler and an output of the first counter controls whether the pre-scaler operates in the first mode or the second mode, wherein the first counter is operable to count to greater than one.

REFERENCES:
patent: 4184068 (1980-01-01), Washburn
patent: 4633194 (1986-12-01), Kikuchi et al.
patent: 4891774 (1990-01-01), Bradley
patent: 5714896 (1998-02-01), Nakagawa et al.
patent: 5878101 (1999-03-01), Aisaka
patent: 6369623 (2002-04-01), Heinen
patent: 6784751 (2004-08-01), Salmi et al.
patent: 6952121 (2005-10-01), Vu

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