R-C Oscillators using plural inverters

Details R-C Oscillators using plural inverters R-C Oscillators using plural inverters

1980-01-07

1982-02-16

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331 57, 331DIG3, H03K 303, H03K 3354

Patent

active

043161588

ABSTRACT:
In an oscillator circuit including a variable capacitor for inverting a pair of inverters oppositely to each other with a time period defined by a resistance value of a resistor and a capacitance of the variable capacitor, an additional capacitor is provided to be biased by an inverter function of an additional inverter in voltage polarity opposite to that of the variable capacitor.

REFERENCES:
patent: 3851277 (1974-11-01), Suzuki et al.
patent: 3863179 (1975-01-01), Goo
Electronic Design, vol. 23, Jun. 7, 1975, p. 90, "Inexpensive TTL Chip Makes a Verstile Oscillator Circuit".

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