首页|Systematic Synthesis for Multiple-Feedback Filter Using OTAs and CCCIIs

Systematic Synthesis for Multiple-Feedback Filter Using OTAs and CCCIIs

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In order to obtain the multiple-feedback filter with simpler structure and electronic control,this paper first derives nodal admittance matrix (NAM) equation of the multiple-feedback filter.Furthermore,in accordance with the pathological models of the operational transconductance amplifier (OTA) and second generation current-controlled conveyor (CCCII),the multiplefeedback filter based on OTAs and CCCIIs are respectively synthesized by the NAM expansion method.The filter employing three OTAs has eight equivalent realizations and the filter employing three CCCIIs has 16 equivalent realizations.24 different forms of the current-mode filters are synthesized in all.fo and Q of the synthesized filters can be tuned by tuning bias currents of the active elements.The hand analysis and computer analysis are ineluded to support the method to be utilized.

current-mode filtercurrent controlled conveyoroperational transconductance amplifier(OAT)nodal admittance matrix expansion

LI Yongan、CHEN Bo

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School of Information Engineering, Shaanxi Institute of International Trade & Commerce, Xi'an 712046, Shaanxi, China

School of Physics and Electronic Engineering, Xianyang Normal University, Xianyang 712000, Shaanxi, China

Supported by the Shaanxi Provincial Key Research and Development Program,China

2018NY-158

2020

武汉大学自然科学学报(英文版)
武汉大学

武汉大学自然科学学报(英文版)

CSTPCDCSCD
影响因子：0.066
ISSN：1007-1202
年,卷(期)：2020.25(1)
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