Operational amplifier

Details Operational amplifier Operational amplifier

1981-04-08

1983-09-20

Mullins, James B.

Amplifiers

With amplifier bypass means

330253, 330255, H03F 345

Patent

active

044059000

ABSTRACT:
An operational amplifier having a first amplifier stage and a second amplifier stage, which is driven by the first amplifier stage. According to the invention such an operational amplifier can be corrected for high frequencies in a very simple and effective manner by including a capacitance in parallel with the second amplifier stage between an output of the first stage and an output of the second stage which is comparatively high-ohmic relative to said output of the first stage. The second stage, which is bypassed by said capacitance, is then non-inverting for the part bypassed by said capacitance.

REFERENCES:
patent: 3408586 (1968-10-01), Ordower
Hosticka et al., "MOS Sampled Data Recursive Filters Using Switched Capacitor Integrators", IEEE Journal of Solid-State Circuits, vol. SC-12, No. 6, Dec. 1977, pp. 600-608.

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