Astable multivibrator

Details Astable multivibrator Astable multivibrator

1974-12-03

1976-03-02

Kominski, John

Oscillators

Solid state active element oscillator

Transistors

307290, H03K 3282

Patent

active

039421341

ABSTRACT:
The base of a first transistor is coupled through a first capacitor to the collector of a second transistor and the base of the latter is coupled through a second capacitor to the collector of the first transistor. The capacitors are alternately charged by means of first and second relatively constant current sources connected to the collectors of the first and second transistors, respectively. The charging current supplied by the first current source to the second capacitor flows into the base of the second transistor, causing it to saturate and conduct the current supplied by the second current source. The charging current supplied by the second current source to the first capacitor flows into the base of the first transistor, causing it to saturate and conduct the current supplied by the first current source.

REFERENCES:
patent: 3201718 (1965-08-01), Trojak
patent: 3204195 (1965-08-01), Maestre
patent: 3336510 (1967-08-01), Itoh
patent: 3341788 (1967-09-01), Nishioka
patent: 3371289 (1968-02-01), Luna et al.

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