Feedforwrd differential amplifier

Details Feedforwrd differential amplifier Feedforwrd differential amplifier

1996-05-03

1998-05-26

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330151, 341156, H03F 345, H03M 112

Patent

active

057572348

ABSTRACT:
A residue amplifier includes input and output differential amplifiers. The output differential amplifier includes temperature-dependent current sources which compensate for temperature dependent gain variations within the input differential amplifier. Amplifier components are chosen to produce an overall gain equal to a ratio of fixed resistors, at a nominal temperature. The compensating current sources maintain this fixed gain value as the amplifier's operating temperature varies.

REFERENCES:
patent: 3548333 (1970-12-01), Bakke et al.
patent: 5105194 (1992-04-01), Mizunoue
patent: 5530444 (1996-06-01), Tice et al.
patent: 5621356 (1997-04-01), Philippe
Paul Horowitz, Winfield Hill, The Art of Electronics, Cambridge University Press, New York, 1989, pp. 621-622.

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