Differential amplifier with gain compensation

Details Differential amplifier with gain compensation Differential amplifier with gain compensation

1989-03-27

1990-05-29

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330261, H03F 345

Patent

active

049299093

ABSTRACT:
A differential amplifier including circuit means for generating a tail current which is not only porportional to absolute temperature, but also is adjusted to compensate for the non-ideal transistor geometries and properties, including finite beta and non-zero, temperature-dependent intrinsic resistances, so as to result in an amplification ratio which is substantially independent of all component variations.

REFERENCES:
patent: 4238738 (1980-12-01), Komori
patent: 4274061 (1981-06-01), Kraemer
patent: 4323854 (1982-04-01), Hester
patent: 4604586 (1986-08-01), Rinderle
patent: 4724337 (1988-02-01), Maeda et al.

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