Circuit for reducing offset voltage drift in differential amplif

Details Circuit for reducing offset voltage drift in differential amplif Circuit for reducing offset voltage drift in differential amplif

1982-08-25

1984-10-30

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330149, H03F 126

Patent

active

044802315

ABSTRACT:
A differential pair of transistors is coupled to a current source and an active load to provide an output voltage which has little offset voltage drift with respect to input voltage variation. Biasing means establish a predetermined current which is supplied to the differential pair and which is varied by control means in response to the input signal to reduce offset voltage drift.

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