On the realization of an all-pass or a notch filter

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Jan 1970Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:Proceedings of the IEEE, volume 58, pages 603-604 (issn: 0018-9219,

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Authors: B.B. Bhattacharyya; M.N.S. Swamy;

doi: 10.1109/proc.1970.7710

On the realization of an all-pass or a notch filter

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Abstract

It is shown that it is possible to realize either a second-order all-pass or a notch filter by a structure consisting of a grounded operational amplifier and two RC one-ports, Y 1 =G 1 +sC 1 and Y 2 =[R 2 +(1/sC 2 )]-1. It is also shown that these filters may be realized by the same structure with Y 1 and Y 2 interchanged. These realizations possess minimum sensitivity with respect to the amplifier gain.

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