Current-tunable current-mode multifunction filter based on dual-output current-controlled conveyors

被引：50
|
作者：
Tangsrirat, Worapong [1 ]
机构：
[1] King Mongkuts Inst Technol Ladkrabang, Fac Engn, Res Ctr Commun & Informat Technol, Bangkok 10520, Thailand
来源：
AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2007年 / 61卷 / 08期
关键词：
dual-output current-controlled conveyor (DO-CCCII); multifunction filter; current-mode circuit;
D O I：
10.1016/j.aeue.2006.09.005
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 paper, a current-tunable current-mode multifunction filter with two inputs and two outputs employing only four dual-output current-controlled conveyors (DO-CCCIIs) and two grounded capacitors is proposed. By appropriately connecting the input and output terminals, the proposed circuit can provide lowpass, bandpass, highpass, bandstop and allpass current responses. The filter also offers an independent electronic control of the natural frequency (omega(0)) and the quality factor (Q) through adjusting the bias currents of the DO-CCCIIs. No critical matching conditions are imposed for realizing all the filter responses, and all the incremental parameter sensitivities are low. The characteristics of the proposed circuit are simulated using PSPICE to confirm the theory. (c) 2006 Elsevier GmbH. All rights reserved.
引用
收藏
页码：528 / 533
页数：6
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