Switching network with suppressed switching transients

Details Switching network with suppressed switching transients Switching network with suppressed switching transients

1982-10-29

1985-04-23

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 27, 358 74, 358243, H04N 9535

Patent

active

045133220

ABSTRACT:
A switching network for selectively supplying current to a clamping capacitor comprises a pair of output transistors with outputs coupled to the clamp capacitor, a pair of control transistors respectively coupled to the output transistors, and a pair of equal value bias resistors included in output circuits of the control transistors for determining the bias of the output transistors. When the control transistors conduct, the control transistors conduct equal output currents, equal currents flow in the bias resistors, and bias voltages developed across the bias resistors exhibit equal rates of change with a sense for rendering the output transistors non-conductive simultaneously.

REFERENCES:
patent: 3646362 (1972-02-01), Limberg
patent: 4198541 (1980-04-01), Fukushima
patent: 4387405 (1983-06-01), Hinn
patent: 4414577 (1983-11-01), Tallant

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