Method and apparatus for oscillating

Details Method and apparatus for oscillating Method and apparatus for oscillating

2009-07-06

2011-12-20

Pascal, Robert (Department: 2817)

Oscillators

With particular source of power or bias voltage

Regulated

C331S057000, C331S176000

Reexamination Certificate

active

08081040

ABSTRACT:
Aspects of the disclosure provide a voltage controlled oscillator. The voltage controlled oscillator can include a plurality of oscillation stages coupled together to generate an oscillation signal having an oscillation frequency. At least one oscillation stage of the plurality of oscillation stages can include a first portion driven by a first driving power that can be a function of a control voltage and a second portion driven by a second driving power that can be substantially independent of the control voltage. The first driving power can be provided by a first power rail in the form of a driving current that is a function of the control voltage. The second driving power can be provided by a second power rail in the form of a substantially constant voltage that is substantially independent of the control voltage.

REFERENCES:
patent: 5426398 (1995-06-01), Kuo
patent: 7629856 (2009-12-01), Thaller

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