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DDCCs based voltage-mode one input five outputs biquadratic filter with high input impedance

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4 Author(s)
Wei-Yuan Chiu ; Department of Electronic Engineering, Chung Yuan Christian University, Chung-Li, 32023, Taiwan ; Jiun-Wei Horng ; Yi-Sing Guo ; Ching-Yao Tseng

A new high input impedance voltage-mode universal biquadratic filter with one input terminals and five output terminals is presented. The proposed circuit uses three plus-type differential difference current conveyors, two resistors and two grounded capacitors. The proposed circuit can realize all the standard filter functions: lowpass, bandpass, highpass, notch and allpass, simultaneously, without component matching conditions. The proposed circuit offers the features of high input impedance and the use of only grounded capacitors.

Published in:

2011 International Symposium on Integrated Circuits

Date of Conference:

12-14 Dec. 2011