Improved current-feedback op-amp with good DC and CMRR performance

被引：0
|
作者：
Hayatleh, K [1 ]
Su, WJ [1 ]
Lidgey, FJ [1 ]
机构：
[1] Oxford Brookes Univ, Sch Engn, Dept Elect Engn, Oxford OX3 0BP, England
来源：
ISCAS '99: PROCEEDINGS OF THE 1999 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOL 2: ANALOG AND DIGITAL CIRCUITS | 1999年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A novel high DC accuracy and high CMRR performance current-feedback op-amp (CFOA) is presented. The conventional architecture CFOA suffers from poor DC gain accuracy and CMRR due mainly to Early effects in the input stages. The new design is based on a bootstrapping technique applied to the input stage, and results in a CFOA with DC performance, CMRR and gain accuracy all substantially improved. All of these improvements are obtained without increase in circuit complexity and power consumption. Most of the other characteristics of the new CFOA are similar to those of a conventional design.
引用
收藏
页码：263 / 266
页数：4
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