Notch filter

Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network

Patent

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Details

333 70R, 333 76, 333 82B, H03H 710, H03H 714, H03H 1300

Patent

active

040074340

ABSTRACT:
A notch filter for the selective attenuation of a narrow band of frequencies out of a larger band wherein a helical resonator is connected to an input circuit and an output circuit through discrete and equal capacitors, and a resistor is connected between the input and the output circuits.

REFERENCES:
patent: 3538456 (1970-11-01), Contus

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