Mixed signal method and system for tuning a voltage...

Details Mixed signal method and system for tuning a voltage... Mixed signal method and system for tuning a voltage...

2007-05-01

2007-05-01

Chang, Joseph (Department: 2817)

Oscillators

With frequency adjusting means

With voltage sensitive capacitor

C331S179000

Reexamination Certificate

active

10943611

ABSTRACT:
A mixed signal method and system for tuning a voltage controlled oscillator is described. The method includes dividing a frequency range of an oscillator circuit into a plurality of regions, digitally selecting and tuning one of the plurality of regions of the divided frequency range of the oscillator circuit, and further tuning the selected region of the frequency range of the oscillator circuit via one or more analog tuning elements.

REFERENCES:
patent: 6496075 (2002-12-01), Justice et al.
patent: 6563392 (2003-05-01), Gomez et al.
patent: 6639474 (2003-10-01), Asikainen et al.
patent: 6774736 (2004-08-01), Kwek et al.
patent: 2004/0189403 (2004-09-01), Suzuki et al.
patent: 2004/0212439 (2004-10-01), Goddard

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