Differential amplifier

Details Differential amplifier Differential amplifier

1975-06-25

1977-01-11

Segal, Robert

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330 22, 330 69, H03F 368

Patent

active

040029930

ABSTRACT:
A differential amplifier with two input transistors whose emitters are each connected to the emitter of a third transistor via a resistor. With the aid of a gate circuit, which is constituted by connecting the base of the third transistor via two semiconductor junctions to each of the emitters of the input transistors, the quiescent current setting of the input transistors is varied with the input signal, so that the slew rate of the differential amplifier is increased for large input signals.

REFERENCES:
patent: 3538449 (1970-11-01), Solomon
patent: 3764826 (1973-10-01), Okada

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