Smart charge-pump circuit for phase-locked loops

Details Smart charge-pump circuit for phase-locked loops Smart charge-pump circuit for phase-locked loops

2007-09-18

2007-09-18

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S148000, C363S059000

Reexamination Certificate

active

11241311

ABSTRACT:
The smart charge-pump circuits basically include a high-performance charge-pump circuit as well as a smart lock-in circuit. After the smart charge-pump circuit sensors an initial condition and responds accordingly, it will begin to operate fully as a high performance charge-pump.

REFERENCES:
patent: 5179356 (1993-01-01), Kroner
patent: 5359296 (1994-10-01), Brooks et al.
patent: 6160432 (2000-12-01), Rhee et al.
patent: 6535051 (2003-03-01), Kim
patent: 6586976 (2003-07-01), Yang
patent: 7005896 (2006-02-01), Chen et al.
patent: 2004/0066220 (2004-04-01), Chen
patent: 2006/0132208 (2006-06-01), Park
patent: 2006/0226917 (2006-10-01), Park

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