Transmission gate relaxation oscillator having comparator

Oscillators – Solid state active element oscillator – Transistors

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Details

331143, 331153, 331173, 331DIG3, 328 66, 328261, H03K 326

Patent

active

045353050

ABSTRACT:
An oscillation circuit having a reference voltage circuit for forming a reference voltage by dividing a power supply voltage. The reference voltage circuit supplies the reference voltage to one of the input terminals of the comparing circuit. A charge/discharge voltage is supplied from a junction between a transmission gate circuit and a CR circuit to the other input terminal of the comparing circuit. The comparing circuit compares the charge/discharge voltage with the reference voltage to produce pulse signals.

REFERENCES:
patent: 2121117 (1938-06-01), Conover
patent: 4301427 (1981-11-01), Suzuki et al.
patent: 4359649 (1982-11-01), Mundel
patent: 4365212 (1982-12-01), Gentile et al.
patent: 4479097 (1984-10-01), Larson et al.
Adams, B. C. "Novel VCO" New Electronics, vol. 10, No. 4, p. 50, Feb. 22, 1977.
J. Graeme & G. Tobey, Operational Amplifiers, Ch. 10 at 370-396, (1971).

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