Three-Input One-Output Voltage-Mode Biquadratic Filter Using Single VDBA

被引：2

作者：

Roongmuanpha, Natchanai ^{[1
]}

Pukkalanun, Tattaya ^{[1
]}

Tangsrirat, Worapong ^{[1
]}

机构：

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

来源：

2020 8TH INTERNATIONAL ELECTRICAL ENGINEERING CONGRESS (IEECON) | 2020年

关键词：

Voltage Differencing Buffered Amplifier (VDBA); electronically tunable; voltage-mode circuit; biquadratic filter; DIFFERENCING BUFFERED AMPLIFIER;

D O I：

10.1109/iEECON48109.2020.229503

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this article, a voltage-mode universal biquadratic filter with triple inputs and single output (TISO) is presented. The circuit consists of only one voltage differencing buffered amplifier (VDBA) along with two capacitors and one resistor. The proposed circuit can realize all five standard biquadratic filter functions namely, lowpass (LP), highpass (HP), bandpass (BP), bandstop (BS) and allpass (AP) without disturbing the circuit structure. The quality factor (Q) and the natural angular frequency (omega(0)) of the proposed circuit can be controlled by means of the transconductance gain of the VDBA. The circuit also provides low sensitivity performance. The potentiality of the proposed TISO biquadratic filter has been proved by PSPICE program based on TSMC 0.25-mu m CMOS technology.

引用

页数：4

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