Self-biased active VCO level shifter

Details Self-biased active VCO level shifter Self-biased active VCO level shifter

2007-03-13

2007-03-13

Shingleton, Michael B (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Particular frequency control means

C331S17700V, C331S1170FE, C327S566000, C257S312000, C257S595000, C257S600000

Reexamination Certificate

active

10747521

ABSTRACT:
A voltage-controlled oscillator (VCO) circuit includes first, second, third, and fourth transistors, each with a first terminal, a second terminal, and a control terminal. The first terminal of the first transistor communicates with the first terminal of the second transistor. The control terminals of the third and fourth transistors communicate with the second terminals of the first and second transistors, respectively. The first terminals of the third and fourth transistors communicate with the control terminals of the first and second transistors, respectively. First ends of first and second capacitances communicate with the second terminals of the first and second transistors, respectively. Second ends of the first and second capacitances communicate with the control terminals of the first and second transistors, respectively.

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