Compensated operational amplifier circuit

Details Compensated operational amplifier circuit Compensated operational amplifier circuit

1978-11-27

1980-07-29

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330260, 330289, H03F 345, H03F 130

Patent

active

042153174

ABSTRACT:
A thermal drift compensation circuit for operational amplifiers wherein a second operational amplifier is utilized to sense the error voltage between the input terminals of a first operational amplifier and generate a current therefor which compensates for errors resulting from thermal effects within the first operational amplifier.

REFERENCES:
patent: 3701036 (1972-10-01), Stefenel
patent: 3753139 (1973-08-01), Spencer

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