HIGH INPUT IMPEDANCE FILTERS WITH LOW COMPONENT SPREAD USING CURRENT-FEEDBACK AMPLIFIERS

被引：65
|
作者：
LIU, SI
机构：
[1] Department of Electrical Engineering, National Taiwan University, Taipei
来源：
ELECTRONICS LETTERS | 1995年 / 31卷 / 13期
关键词：
CURRENT CONVEYORS; ACTIVE FILTERS;
D O I：
10.1049/el:19950725
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：
A new configuration for high input impedance bandpass, lowpass and highpass filters with low component spread using two current-feedback amplifiers is presented. It has the following features: orthogonal control of the natural frequency and quality factor by grounded resistors or capacitors, simple conversion into a voltage-controlled filter, minimum active components, low active and passive sensitivities, low component spread suitable for high-Q applications and low output impedance. Experimental results are given to demonstrate the feasibility of the proposed circuits.
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页码：1042 / 1043
页数：2
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