NEW CURRENT-MODE BIQUAD FILTERS USING CURRENT FOLLOWERS

被引:35
作者
LIU, SI
CHEN, JJ
HWANG, YS
机构
[1] Department of Electrical Engineering, National Taiwan University, Taipei
来源
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-FUNDAMENTAL THEORY AND APPLICATIONS | 1995年 / 42卷 / 07期
关键词
D O I
10.1109/81.401150
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
Three new configurations for realizing the current-mode biquad filters using current followers (CF's) are presented, They can realize the allpass, notch, lowpass, bandpass, and highpass filters, Some of the proposed circuits can be directly cascaded without buffers, Two configurations can generate two kinds of filtering functions simultaneously. The natural frequency omega(o) of the proposed filters will be insensitive to the current tracking error of the CF. Experimental results that confirm the theoretical analysis are obtained.
引用
收藏
页码:380 / 383
页数:4
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