COMMON-MODE REJECTION RATIO FOR CASCADED DIFFERENTIAL-AMPLIFIER STAGES

被引：35

作者：

PALLASARENY, R

WEBSTER, JG

机构：

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 1991年 / 40卷 / 04期

关键词：

D O I：

10.1109/19.85333

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：

We provide a simple equation for calculating the total common mode rejection ratio, CMRR(T), for cascaded differential amplifier stages and apply it to several typical cases in instrumentation circuits. We define two factors for each stage, C and D, and show that, in general, CMRR(T) can be calculated by adding the reciprocals of the equivalent CMRR for each stage, which we define as the product of its C factor and the product of D factors for the preceding stages.

引用

页码：677 / 681

页数：5