Please use this identifier to cite or link to this item:
Title: Multiple-input-multiple-output log-domain universal biquad filter
Authors: Shah, N A
Khanday, F A
Keywords: Analog circuits;Circuit synthesis;Filters;Integrated circuits;Signal Processing;Continuous-time filters;Multifunction active filters;Companding filters;Log-Domain filters
Issue Date: Dec-2012
Publisher: NISCAIR-CSIR, India
Abstract: A simple log-domain technique based Multiple-Input-Multiple-Output (MIMO) universal biquad realizing simultaneously all the standard filtering functions viz; Lowpass (LP), Highpass (HP), Bandpass (BP), Bandstop (BS), and Allpass (AP) is presented in this paper. The biquad being designed by log-domain technique offers all its advantages. The circuit besides permitting independent electronic adjustment of pole frequency (ωo) and the Quality factor (Q) is: simultaneously Single-Input-Multiple-Output (SIMO) and Multiple-Input-Single-Output (MISO), free from matching conditions, capable of absorbing the shunt parasitic capacitances, amenable for monolithic integration, composed of merely a few exponential transconductor cells and grounded elements. The other features of circuit are its low sensitivity and good linearity. Simulated and experimental results are obtained to prove the theoretical analyses.
Page(s): 928-934
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.50(12) [December 2012]

Files in This Item:
File Description SizeFormat 
IJPAP 50(12) 928-934.pdf357.27 kBAdobe PDFView/Open

Items in NOPR are protected by copyright, with all rights reserved, unless otherwise indicated.