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Versatile high input impedance voltage-mode three-inputs universal biquadratic filter

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3 Author(s)
Wei-Yuan Chiu ; Department of Electronic Engineering, Chung Yuan Christian University, Chung-Li, 32023, Taiwan ; Jiun-Wei Horng ; Zhao-Ren Wang

This paper presents a new high input impedance voltage-mode universal biquadratic filter with three inputs and six outputs using three plus-type differential difference current conveyors (DDCCs), two grounded capacitors, and three resistors. The proposed circuit can realize all the standard filter functions (low-pass, high-pass, band-pass, notch, and all-pass). Moreover, the circuit enjoys (i) the employment of two grounded capacitors, (ii) high input impedance and (iii) low active and passive sensitivity performance. HSPICE simulation results confirm the theoretical analysis.

Published in:

Circuits and Systems (APCCAS), 2010 IEEE Asia Pacific Conference on

Date of Conference:

6-9 Dec. 2010