Oscillator improvement

Details Oscillator improvement Oscillator improvement

1988-04-07

1989-04-04

LaRoche, Eugene R.

Oscillators

Solid state active element oscillator

Transistors

331112, 331113A, 331146, 331151, 363133, H03K 330

Patent

active

048189537

ABSTRACT:
An improved oscillator circuit for avoiding core saturation without the need for auxiliary magnetic devices employs an emitter resistance for regulating base voltage, and a semiconductor base shunt for initiating transistor cut-off when the base voltage increases above the threshold voltage of the semiconductor shunt, the emitter resistance being preselected to activate the base shunt before the transformer core reaches saturation.

REFERENCES:
patent: 4149234 (1979-04-01), Smith

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