VCO with automatic calibration

Details VCO with automatic calibration VCO with automatic calibration

2005-02-15

2005-02-15

Mis, David (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Particular error voltage control

C331S00100A, C331S016000, C331S03600C, C331S17700V, C331S179000, C331SDIG002

Reexamination Certificate

active

06856205

ABSTRACT:
Voltage-controlled oscillator with apparatus for automatic calibration. The voltage-controlled oscillator includes switches connecting associated coarse-tuning capacitors to an LC resonant tank of the oscillator. The voltage-controlled oscillator also comprises a calibration loop used to appropriately set the switches associated with the coarse tuning apparatus based on a oscillator control signal.

REFERENCES:
patent: 5648744 (1997-07-01), Prakash et al.
patent: 5739730 (1998-04-01), Rotzoll
patent: 6114920 (2000-09-01), Moon et al.
patent: 6583675 (2003-06-01), Gomez
patent: 6639474 (2003-10-01), Asikainen et al.
patent: 6683509 (2004-01-01), Albon et al.

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