Two-Input Two-Output Current-Mode Universal Biquad Using Only VDTAs and Grounded Capacitors

被引：0

作者：

Moonmuang, Pitchayanin ^{[1
]}

Mongkolwai, Pratya ^{[2
]}

Tangsrirat, Worapong ^{[1
]}

机构：

[1] King Mongkuts Inst Technol Ladkrabang, Fac Engn, Bangkok 10520, Thailand

[2] Rajamangala Univ Technol Rattanakosin RMUTR, Fac Engn, Nakhon Pathom 73170, Thailand

来源：

2018 3RD INTERNATIONAL CONFERENCE ON CONTROL AND ROBOTICS ENGINEERING (ICCRE) | 2018年

关键词：

Voltage Differencing Transconductance Amplifiers (VDTA); universal biquad filter; electronically tunable; DIFFERENCING TRANSCONDUCTANCE AMPLIFIER; FILTER;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A two-input two-output current-mode universal biquad employing only two voltage differencing transconductance amplifiers (VDTAs) and two grounded capacitors is introduced. By appropriately connecting the input and output terminals, the proposed circuit can realize lowpass, bandpass, highpass, bandstop and allpass current responses. It also exhibits an independent electronic control of the natural angular frequency (omega(o)) and the quality factor (Q) by properly setting the transconductance values of the VDTAs. No critical component matching choices are imposed for generating all the filter functions, and all incremental parameter sensitivities are low.

引用

页码：139 / 142

页数：4

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