Title :
A completely tunable active filter using fixed RC elements
Author :
Bhattacharyya, B.B. ; Giguere, J.C. ; Swamy, M.N.S.
Abstract :
An arbitrary open-circuit voltage transfer function whose poles and zeros may be independently controlled is realized using RC elements and at most (2n + 2) operational amplifiers, with adjustable gains, where n is the higher of the degrees of the numerator and denominator polynomials of the transfer function.
Keywords :
Active filters; Attenuation; Bars; Circuits; Coaxial components; Diodes; Impedance; Inductors; Switches; Voltage;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1967.6081