Resonance mode selection using a resonator-synchronized...

Details Resonance mode selection using a resonator-synchronized... Resonance mode selection using a resonator-synchronized...

2006-02-10

2008-08-19

Pascal, Robert J. (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Particular frequency control means

C331S055000, C331S135000, C331S136000

Reexamination Certificate

active

07414482

ABSTRACT:
A resonator-synchronized oscillator for resonance mode selection is disclosed. In one embodiment, the resonator-synchronized oscillator comprises an oscillation loop, at least one capacitor switching circuit coupled to the oscillation loop, and a multi-mode resonator having an output coupled to the at least one capacitor switching circuit. The output signal of the resonator is used to synchronize the oscillator using switched capacitor structures to instantaneously reset the phase of the resonator-synchronized oscillator.

REFERENCES:
patent: 4988900 (1991-01-01), Fensch
patent: 6377646 (2002-04-01), Sha
patent: 6608504 (2003-08-01), Fujimoto
patent: 6959217 (2005-10-01), DelMain et al.
patent: 2007/0024385 (2007-02-01), Greenberg

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