Differential input amplifier stage with frequency compensation

Details Differential input amplifier stage with frequency compensation Differential input amplifier stage with frequency compensation

1994-12-12

1996-06-04

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

323280, 323316, H03F 345

Patent

active

RE0352616

ABSTRACT:
A differential input amplifier stage having improved frequency compensation. Frequency compensation is achieved by cancelling one-half of the signal output of a differential error amplifier in the input stage, such that all error signals must pass through a "current-mirror" type load circuit in which a resistor-capacitor network is provided to roll of gain of the input stage.

REFERENCES:
patent: 3735240 (1973-05-01), Davis et al.
patent: 4341990 (1982-07-01), Davis
patent: 4413226 (1983-11-01), Davies
Data Sheet, "LM120 Series 3-Terminal Negative Regulators," National Semiconductor Corporation 1982 Linear Databook, pp. 1-39 to 1-46.
Data Sheet, "LM747/LM741A/LM41C/LM741E Operational Amplifier," National Semiconductor Corporation 1982 Linear Databook, pp. 3-257 to 3-259.
Data Sheet, "LM101A/LM301A/LM107/LM307 Operational Amplifiers," Linear Technology Corporation 1986 Linear Databook, pp. 2-177 to 2-182.
James E. Solomon, "The Monolithic Op Amp: A Tutorial Study," IEEE Journal of Solid-State Circuits, pp. 314-332, vol. SC-9, No. 6, Dec. 1974.

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