Negative resistance oscillator with electronically tunable base

Details Negative resistance oscillator with electronically tunable base Negative resistance oscillator with electronically tunable base

1993-01-21

1994-12-13

Mis, David

Oscillators

Solid state active element oscillator

Transistors

331177V, H03B 512

Patent

active

053732642

ABSTRACT:
Problems associated with compromise, fixed base inductances in negative resistance oscillators are overcome by use of an electronically tunable base network. Parameters such as phase noise and output power can thereby be optimized over a wide range of operating conditions. The disclosure is illustrated with reference to a 500-1000 Mhz voltage controlled oscillator employing base-tuning varactors that are slaved to the VCO's tuning signal.

REFERENCES:
patent: 3384835 (1968-05-01), Racy
patent: 3582823 (1971-06-01), Pasos
patent: 5045825 (1991-09-01), McJunkin
patent: 5055889 (1991-10-01), Beall
patent: 5097228 (1992-03-01), McJunkin
patent: 5130673 (1992-07-01), McJunkin

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