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Single CCII-based voltage-mode universal filter

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Abstract

A new voltage-mode universal biquad filter is presented which can realize all the five standard filter functions namely lowpass, bandpass, highpass, notch, and allpass employing only one CCII as active element. The new circuit is composed of only one CCII, two capacitors, and three resistors, and realizes five generic filter signals without any inverting-type voltage input signals. This is unlike biquad reported by filter structures which employs more active components and needed an inverting-type voltage input signal to realize allpass signal.

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Acknowledgment

This work was supported by National Science Council, Republic of China, under Grant NSC-98-2221-E-237-011.

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  1. Department of Electronic Engineering, Ming Chi University of Technology, Taishan, Taipei, Taiwan ROC

    Hua-Pin Chen

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  1. Hua-Pin Chen
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Correspondence to Hua-Pin Chen.

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Chen, HP. Single CCII-based voltage-mode universal filter. Analog Integr Circ Sig Process 62, 259–262 (2010). https://doi.org/10.1007/s10470-009-9345-3

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  • DOI: https://doi.org/10.1007/s10470-009-9345-3

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