Level control for a voltage controlled oscillator

Details Level control for a voltage controlled oscillator Level control for a voltage controlled oscillator

1985-05-06

1986-09-02

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331117FE, 331177V, 331183, H03B 512, H03L 500

Patent

active

046098844

ABSTRACT:
A voltage controlled oscillator is disclosed wherein a peak detector is used to control the gain of the active device within the oscillator in response to a control signal taken from the resonant circuit. The control signal is a RF potential developed across a voltage divider within the resonant circuit. By controlling the gain of the active device from an RF voltage provided by a voltage divider, the RF output level of the oscillator "tracks" the DC bias level of the steering line. Therefore, varactor diodes rectification is prevented while contemporaniously allowing maximized output power.

REFERENCES:
patent: 3416096 (1968-12-01), Kim
patent: 3739279 (1973-06-01), Hollis
patent: 3959744 (1976-05-01), O'Connor
patent: 4353038 (1982-10-01), Rose et al.
patent: 4450416 (1984-05-01), Mears
patent: 4454485 (1984-06-01), Fisher

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