Bias control for high efficiency inverter circuit

Details Bias control for high efficiency inverter circuit Bias control for high efficiency inverter circuit

1979-12-14

1981-12-22

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

363 22, 363133, H02M 7537, H03K 330

Patent

active

043073530

ABSTRACT:
An improved high efficiency push-pull inverter circuit employing a pair of switching transistors that are alternately triggered into conduction by a control circuit, for converting DC voltage into high frequency AC voltage. The control circuit includes a pair of saturable transformers that are non-coupled to each other and are each connected to the base of a respective transistor. The bases are isolated from ground potential by a capacitor, and significant reverse voltage signals are developed and alternately applied to the base of a conducting transistor for rapidly turning it off, thereby increasing device switching speed and overall efficiency of the circuit.

REFERENCES:
patent: 4002999 (1977-01-01), Hesler et al.
patent: 4004251 (1977-01-01), Hesler et al.

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