A novel approach to common mode gain in differential amplifiers

被引：1
|
作者：
Contreras, VM [1 ]
机构：
[1] Microelect Res Ctr, Havana 8, Cuba
来源：
INTERNATIONAL JOURNAL OF ELECTRONICS | 1998年 / 85卷 / 01期
关键词：
D O I：
10.1080/002072198134337
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：
The analysis of common mode behaviour in monolithic active loaded differential amplifiers has been a complicated task that is beyond simplified models, and therefore designers have left it to simulation programs. A new and simpler method of analysis is presented in which the circuit is divided in two parts which are analysed separately. Calculations are notably simplified and a reasonable accuracy is obtained. Furthermore, the influences of finite offsets on common mode and differential mode gains are determined. The proposed method is illustrated with a practical circuit, which is simulated using PSPICE.
引用
收藏
页码：43 / 53
页数：11
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