Semiconductor switch circuit

Details Semiconductor switch circuit Semiconductor switch circuit

1979-04-06

1981-07-07

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307288, 307315, H03K 1760

Patent

active

042776961

ABSTRACT:
A semiconductor switch circuit comprises first, second and third transistors. The complementary first and second transistors make up an inverted Darlington circuit. The third transistor with the base and collector thereof connected to the collector and base of the inverted Darlington circuit respectively makes up a positive feedback circuit with the inverted Darlington circuit. The conduction current of the switch circuit is split into two conduction currents flowing through the complementary first and second transistors making up the inverted Darlington circuit. By controlling the base current of at least one of the first and second transistors, the switch circuit is subjected to on-off control, thereby making it possible to reduce the required control power and increase the off-controllable load current.

REFERENCES:
patent: 3292005 (1966-12-01), Lee
patent: 3902079 (1975-08-01), Ahmed
patent: 4031412 (1977-06-01), Ohhinata et al.

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