Method to differentially control LC voltage-controlled...

Details Method to differentially control LC voltage-controlled... Method to differentially control LC voltage-controlled...

2007-11-06

2007-11-06

Pascal, Robert (Department: 2817)

Oscillators

L-c type oscillators

C331S03600C, C331S1170FE, C331S17700V

Reexamination Certificate

active

11112527

ABSTRACT:
A method of differentially controlling an LC voltage controlled oscillator (VCO) includes providing an LC-VCO comprising at least one inductor, measuring an inductor common voltage (CMV) output at a point along the at least one inductor, utilizing the measured inductor CMV as an input to a charge pump, and outputting from the charge pump a plurality of differential control voltages to control an output of the LC-VCO.

REFERENCES:
patent: 5818306 (1998-10-01), Lee et al.
patent: 6650195 (2003-11-01), Brunn et al.
patent: 6717478 (2004-04-01), Kim et al.
patent: 7005936 (2006-02-01), Tanzawa
patent: 7026883 (2006-04-01), Muthali et al.

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