Fully integrated universal biquads using operational transresistance amplifiers with MOS-C realization

Universal biquadratic filters employing operational transresistance amplifiers are presented. All 5 different second-order filtering functions, namely low-pass, high-pass, band-pass, notch, and all-pass, can be realized. The quality factor of the fil...

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Veröffentlicht in:Elektrik : Turkish journal of electrical engineering & computer sciences 2011-01, Vol.19 (3), p.363-372
Hauptverfasser: GÖKÇEN, AHMET, KILINÇ, SELÇUK, ÇAM, UĞUR
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container_title Elektrik : Turkish journal of electrical engineering & computer sciences
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KILINÇ, SELÇUK
ÇAM, UĞUR
description Universal biquadratic filters employing operational transresistance amplifiers are presented. All 5 different second-order filtering functions, namely low-pass, high-pass, band-pass, notch, and all-pass, can be realized. The quality factor of the filters can be adjusted electronically without affecting resonant frequency. The configuration can be made fully integrated based on MOS-C realization, by making use of the current differ- encing and internally grounded inputs of OTRA. PSpice simulation results are given to verify the theoretical analysis.
doi_str_mv 10.3906/elk-1002-416
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subjects amplifier
Amplifikatör
Analog signal
Analog sinyal
Benzetim
Electricity, Magnetism and Optics
Electronic Engineering
Elektrik, Manyetizma ve Optik
Elektronik Mühendisliği
MOS structure
MOS yapısı
signal processing
simulation
Sinyal işleme
title Fully integrated universal biquads using operational transresistance amplifiers with MOS-C realization
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