IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
CFOA-based state-variable biquad and its high-frequency compensation
A. K. SinghR. Senani
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JOURNAL FREE ACCESS

2005 Volume 2 Issue 7 Pages 232-238

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Abstract

A four-Current feedback operational amplifier (CFOA)-based state variable biquad is described which permits the accommodation of or compensation for the z-pin parasitic impedances of the CFOAsand offers a number of advantages over previously known CFOA-based biquad configurations. The workability of the circuit has been confirmed by SPICE simulation results based on commercially available AD844 type CFOAs.

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© 2005 by The Institute of Electronics, Information and Communication Engineers
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