Filter circuit arrangement

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Unwanted signal suppression

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Details

327558, 327344, 333172, 330109, H03K 500

Patent

active

059296984

ABSTRACT:
A low-pass filter circuit including a first sub-filter designed in integrated circuit technology. The first sub-filter includes high-impedance resistor elements and smaller capacitances. A second sub-filter preceding the first sub-filter is constructed with low-impedance resistor elements and higher capacitances.

REFERENCES:
patent: 4110692 (1978-08-01), Pradal
patent: 5740716 (1998-04-01), Stilson
Article: U. Tietze, Ch. Schenk, Electronic Circuits --Designs and Applications, Berlin, Heidelburg, 1991, pp. 376-379.

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