VCO circuit with broad tuning range and amplitude control

Details VCO circuit with broad tuning range and amplitude control VCO circuit with broad tuning range and amplitude control

2007-03-27

2007-03-27

Kinkead, Arnold (Department: 2817)

Oscillators

Solid state active element oscillator

Transistors

C331S1170FE, C331S167000, C331S074000, C331S17700V

Reexamination Certificate

active

10959117

ABSTRACT:
A voltage-controlled oscillator circuit. A pair of inductors are coupled to a first power source. A pair of capacitors respectively coupled between a variable resistor and the pair of inductors in serial. A pair of first switches respectively coupled between the pair of capacitors and a second power source. The first switch of the pair has a first control gate coupled to a connection point of the other first switch and the corresponding capacitor.

REFERENCES:
patent: 6680655 (2004-01-01), Rogers
patent: 6909336 (2005-06-01), Rajagopalan et al.
patent: 7116183 (2006-10-01), Wu

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