该结构不需要任何精确匹配的电阻就能达到高的共模抑制比，并且其带宽不受带宽增益积的限制。
It does not need any matched components to reach high CMRR and its bandwidth is not gain-bandwidth product limited.
仪表放大器电路以其高输入阻抗、高共模抑制比、低漂移等特点在传感器输出的小信号放大领域得到了广泛的应用。
Instrumental amplifiers with high input impedance, high CMRR and low drift are widely used in the small signal amplifying field.
本文研究了几种常用仪表放大器电路结构，发现多需通过激光调 阻技术来提高电 阻 网络的 匹配精度以达到高的共模抑制比。
The fact that most of these topologies need laser-trimming technique to improve the match precision to reach high CMRR is found after investigating several instrumentation amplifier topologies.
应用推荐