Multiple Input Single Output Universal Biquad Filter with Current Feedback Operational Amplifiers

被引：40
|
作者：
Nikoloudis, S. [1 ]
Psychalinos, C. [1 ]
机构：
[1] Univ Patras, Elect Lab, Dept Phys, Rion 26504, Greece
来源：
CIRCUITS SYSTEMS AND SIGNAL PROCESSING | 2010年 / 29卷 / 06期
关键词：
Analog filters; Continuous-time filters; Universal biquads; Current feedback operational amplifiers; CURRENT-MODE; CLASSIFICATION; CONVEYORS;
D O I：
10.1007/s00034-010-9194-4
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 novel Multiple Input Single Output (MISO) universal biquad filter topology realized using Current Feedback Operational Amplifiers (CFOAs) is introduced in this paper. With regards to the corresponding already published MISO universal biquads with CFOAs, the proposed topology simultaneously offers the benefits of employing only grounded capacitors, absence of any imposed constraint related to the values of input signals, and orthogonal adjustment between the quality factor and resonant frequency of the filter. The operation of the proposed biquad has been verified through experimental results by utilizing the commercially available AD844 CFOA discrete component.
引用
收藏
页码：1167 / 1180
页数：14
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