A CMOS digitally programmable universal current-mode filter

被引：29
|
作者：
Alzaher, Hussain. A. [1 ]
机构：
[1] King Fahd Univ Petr & Minerals, Dept Elect Engn, Dhahran 31261, Saudi Arabia
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2008年 / 55卷 / 08期
关键词：
CMOS analog integrated circuits; current-mode (CM) filters;
D O I：
10.1109/TCSII.2008.921599
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 digitally programmable universal current-mode biquad filter is proposed. The filter is based on digitally controlled current followers (DCCFs). It utilizes gains of the DCCFs to provide precise frequency and/or gain characteristics that can be digitally tuned over a wide range. All parameters of the proposed filter can be adjusted independently. Experimental results obtained from a 0.35-mu m standard CMOS chip are provided.
引用
收藏
页码：758 / 762
页数：5
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