H - Electricity – 03 – K
Patent
H - Electricity
03
K
330/15
H03K 17/00 (2006.01) H03F 3/26 (2006.01) H03K 19/013 (2006.01)
Patent
CA 1111519
A.C. POWERED SPEED UP CIRCUIT ABSTRACT OF THE DISCLOSURE 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.
277281
Howard Donald D.
Schettler Helmut
International Business Machines Corporation
Na
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