Very low input power oscillator with improved amplitude stabilit

Details Very low input power oscillator with improved amplitude stabilit Very low input power oscillator with improved amplitude stabilit

1989-06-13

1990-08-07

Mis, David

Oscillators

Solid state active element oscillator

Transistors

331114, 331117R, H03B 512, H03L 500

Patent

active

049471392

ABSTRACT:
An improved control circuit for maintaining constant amplitude of the sinusoidal output signal of an oscillator circuit by synchronously demodulating the signal using a push-pull transistor pair operating in saturation to generate a control signal for comparison with a reference voltage in a direct coupled negative feedback loop to the oscillator. The configuration of the feedback loop provides effectively instantaneous control response to eliminate low frequency modulation propagated internally in the oscillator due to noise generation in circuit components.

REFERENCES:
patent: 3763444 (1973-10-01), Tavis
patent: 3837227 (1974-09-01), Tavis

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