Variable on-and off-time relaxation oscillator

Details Variable on-and off-time relaxation oscillator Variable on-and off-time relaxation oscillator

1976-02-27

1977-07-26

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331111, 331150, 331177R, H03K 302

Patent

active

040386112

ABSTRACT:
A relaxation oscillator comprising three cascaded operational voltage comparators is described. The on-time of the inventive circuit is established in accordance with a variable input element to the first operational comparator. The off-time is established by an RC network in the input circuit of the second operational comparator. The first and second operational comparators are interconnected so that the turning on or off of the second operational comparator affects the first operational comparator to cause it to also turn on or off.

REFERENCES:
patent: 3763322 (1973-10-01), Garcia et al.
Kovach et al., "Simple Precision RC Oscillator", IBM Technical Disclosure Bulletin, vol. 16, No. 10, Mar. 1974, pp. 3174, 3175.

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