Voltage controlled oscillator (VCO) with amplitude control

Details Voltage controlled oscillator (VCO) with amplitude control Voltage controlled oscillator (VCO) with amplitude control

2005-10-11

2005-10-11

Callahan, Timothy P. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Converting input current or voltage to output frequency

C331S03600C, C331S167000

Reexamination Certificate

active

06954088

ABSTRACT:
A structure and associated method for controlling an amplitude of oscillation in a voltage controlled oscillator. The voltage controlled oscillator circuit comprises a drive circuit, an inductor/capacitor (LC) tank circuit, and a diode. The LC tank circuit and the drive circuit collectively comprise a first oscillating node and a second oscillating node. The first oscillating node is adapted to have a first voltage. The second oscillating node is adapted to have a second voltage. The first diode is adapted to control an amplitude of the first voltage and an amplitude of the second voltage.

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