Oscillator having a limiter composed of a symmetric active clamp

Details Oscillator having a limiter composed of a symmetric active clamp Oscillator having a limiter composed of a symmetric active clamp

1989-08-25

1991-07-02

Grimm, Siegfried H.

Oscillators

Amplitude control or stabilization

Automatic

307547, H03B 500, H03L 500

Patent

active

050288890

ABSTRACT:
Disclosed is an oscillator circuit comprised of a sharp bandpass filter having an input and an output; a linear gain stage having an input and an output, the output of the sharp bandpass filter being connected to the input of the linear stage; a limiter having an input and an output, the output of the linear stage being connected to the input of the limiter; and a feedback loop having an input and an output, the output of the limiter being connected to the input of the feedback loop and the output of the feedback loop being connected to the input of the sharp bandpass filter, wherein the improvement being comprised of the limiter being a symmetrical active clamp.

REFERENCES:
patent: 3137826 (1964-06-01), Boudrias
patent: 3460056 (1969-08-01), Berger
patent: 4797639 (1989-01-01), Driscoll

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