High gain differential amplifier with positive feedback

Details High gain differential amplifier with positive feedback High gain differential amplifier with positive feedback

1979-06-14

1980-11-04

Smith, Alfred E.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330260, H03F 345, H03F 316

Patent

active

042322707

ABSTRACT:
An improved high gain, field effect transistor differential amplifier including first and second cascade connected inverter stages, a feedback controlled source of current connected to each of the stages, including a source of controlled positive feedback for increasing the voltage gain. A positive feedback path is connected between an output terminal of the differential amplifier and the source of current so that the current in each inverter stage is more precisely controlled.

REFERENCES:
patent: 3970950 (1976-07-01), Freeman et al.
patent: 4079332 (1978-03-01), Padget

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