Integrated notch filter

Details Integrated notch filter Integrated notch filter

1982-02-10

1985-06-18

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including signal feedback means

330107, 330303, 330305, 330306, H03F 134

Patent

active

045243328

ABSTRACT:
A notch filter is provided having a low-pass section and a summing section which are capable of being integrated on a single semiconductor chip. The summing section provides an output signal which is the sum of a first component signal proportional to an output signal of the low-pass section and a second component signal proportional to current flowing in a capacitor in the low-pass section such that the high-frequency response of the low pass section is compensated to provide an output signal characteristic of a notch filter.

REFERENCES:
patent: 3501709 (1970-03-01), Uetrecht

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