Fail-safe square-wave oscillator

Details Fail-safe square-wave oscillator Fail-safe square-wave oscillator

1984-08-20

1985-12-24

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331167, H03B 508

Patent

active

045609535

ABSTRACT:
A vital integrated circuit square-wave oscillator having an integrated circuit operational amplifier. A reference voltage dividing resistor network connected to an inverting input of the amplifier for providing a 50--50 duty cycle. An L-C tank circuit connected between the inverting input and a noninverting input for determining the frequency of oscillation. A starting capacitor for initiating the oscillating action and a regenerative feedback circuit for sustaining the oscillations.

REFERENCES:
patent: 4310807 (1982-01-01), McKee
patent: 4509023 (1985-04-01), Heimlicher
English, "One Video Amplifier: Three Oscillators", The Electronic Engineer, Nov. 1969, p. 83.

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