Dynamic current supply

Details Dynamic current supply Dynamic current supply

1975-05-27

1977-01-18

Rolinec, Rudolph V.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

323 4, 330 19, 330 35, H03F 304

Patent

active

040042448

ABSTRACT:
A dynamic current supply is connected between the emitter electrode of an output transistor and a point of reference potential, to progressively increase the magnitude of the flow of current therebetween, as the output signal at the emitter electrode approaches the point of reference potential. The dynamic current supply includes a current mirror, the output of which is in the path of and controls the flow of current. An MOS transistor, the conductivity of which is a function of the difference in potential between the operating voltage supplied to the output transistor and the output signal, supplies the input or control current to the current mirror.

REFERENCES:
patent: 3894290 (1975-07-01), Schoeff

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