RC filter for low and very low frequency applications

Details RC filter for low and very low frequency applications RC filter for low and very low frequency applications

1993-07-23

1995-07-18

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Unwanted signal suppression

327558, 333172, H03H 1146

Patent

active

054345359

ABSTRACT:
An RC filter for low or very low frequency applications, comprising a resistor between the filter input and output, and an amplifier connected after the resistor and having an output fed back to the amplifier input through a capacitor. This simple design allows the known Miller Effect to be utilized to produce a filter having a high time constant while employing small-size components which occupy little space in integrated circuits.

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patent: 5089789 (1992-02-01), Van Tran
patent: 5168180 (1992-12-01), Bayer et al.
patent: 5241226 (1993-08-01), Rossi et al.

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