Voltage controlled oscillator with low operating supply voltage

Details Voltage controlled oscillator with low operating supply voltage Voltage controlled oscillator with low operating supply voltage

1992-10-29

1993-11-02

Mis, David

Oscillators

Solid state active element oscillator

Transistors

331 74, 331177V, 331177R, H03B 512

Patent

active

052587266

ABSTRACT:
A voltage controlled oscillator (VCO) circuit (10) for operating at low supply voltages has been provided. The VCO circuit includes an oscillation stage which utilizes a negative resistance technique for oscillation and includes a first inductor (38) for allowing the oscillation stage to operate at low supply voltages. The VCO circuit also includes an output stage which includes a second inductor (52) and a first capacitor (51) for allowing the output resistance of the VCO circuit to be adjusted for maximum output drive capability.

REFERENCES:
patent: 4591809 (1986-05-01), Regan et al.
patent: 4602221 (1986-07-01), Regan et al.
patent: 5107228 (1992-04-01), Pham et al.
Spencer, T. "V.H.F. Solid-State Power Amplifier Design" Electronic Engineering, Feb. 1967 pp. 72-77.

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