Three-terminal operational amplifier/comparator with offset comp

Details Three-terminal operational amplifier/comparator with offset comp Three-terminal operational amplifier/comparator with offset comp

1981-08-14

1984-07-17

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330149, H03F 345, H03F 126

Patent

active

044608748

ABSTRACT:
An operational amplifier has one noninverting input lead (116), and two inverting input leads (117a, 117b). One of these inverting input leads (117a) is utilized to compensate for the effects of the inherent offset voltage (V.sub.off) of the operational amplifier, and the second inverting input lead (117b) receives an input signal to be amplified or compared.

REFERENCES:
patent: 3877023 (1975-04-01), Spicer et al.
patent: 3988689 (1976-10-01), Ochi et al.
patent: 4336501 (1982-06-01), Ishikawa et al.

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