Electronic circuit including operational amplifier and clamping

Details Electronic circuit including operational amplifier and clamping Electronic circuit including operational amplifier and clamping

1996-02-01

1997-09-02

Cunningham, Terry

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327325, 327379, 327561, H03K 508

Patent

active

056636717

ABSTRACT:
An electronic clamping circuit is provided in one preferred embodiment, the clamping circuit includes a pair of series-connected diodes, both having the same bias, which are shunted across a feedback path of a transimpedance amplifier circuit. A capacitive element is connected to a node in-between the diodes and a potential (e.g., ground). The arrangement of the diodes and capacitive element serve to keep the amplifier circuit's operation within its linear limits without severely degrading its bandwidth.

REFERENCES:
patent: 3943467 (1976-03-01), Yamada et al.
patent: 4578576 (1986-03-01), Wheeler et al.

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