A.C. powered speed up circuit

Details A.C. powered speed up circuit A.C. powered speed up circuit

1976-05-20

1978-05-30

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307214, 307270, 307300, H03K 1700

Patent

active

040925510

ABSTRACT:
An improved speed up circuit, especially useful with high speed, push pull circuits, is disclosed. This uses only A.C. power to discharge the interelectrode and depletion capacitances of an output transistor thereby eliminating uncontrolled shunt current from the output to ground through the output transistor thereby allowing the output to reach the desired level in a shorter period of time. These desirable results are accomplished by capacitively coupling a resistor-transistor speed up circuit to the base of the output transistor to actively pull the base of the output transistor to ground and discharge the inherent interelectrode and depletion capacitances of the output transistor.

REFERENCES:
patent: 3614467 (1971-10-01), Tu
patent: 3656004 (1972-04-01), Kemerer et al.
patent: 3958136 (1976-05-01), Schroeder
patent: 3979607 (1976-09-01), Beelitz et al.

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