Circuit to improve rise time and/or reduce parasitic power suppl

Details Circuit to improve rise time and/or reduce parasitic power suppl Circuit to improve rise time and/or reduce parasitic power suppl

1977-02-28

1979-01-02

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307214, 307270, 307300, H03K 1700

Patent

active

041329066

ABSTRACT:
An improvement in output rise time and a reduction in the parasitic power supply strike current is achieved in bipolar transistor logic circuits using an AC coupled feedback circuit. During the low to high transition of the output, an internal voltage is AC coupled to an amplifier which in turn provides a low impedance path at the base of a lower output drive transistor which is coming out of conduction.

REFERENCES:
patent: 3194979 (1965-07-01), Toy
patent: 3531660 (1970-09-01), Engberg
patent: 3824408 (1974-07-01), Brunel
patent: 3958136 (1976-05-01), Schroeder
patent: 4006370 (1977-02-01), Erler

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