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Letters to the Editor

A Note on Single-Grounded-Resistor-Controlled Variable Frequency Active RC Notch Filter

, , , FIETE &
Pages 25-27 | Received 10 Nov 1988, Published online: 02 Jun 2015
 

Abstract

Important reservations regarding the validity of two recently published circuits have been brought out. Corrected circuits are given in place of earlier ones.

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