文章详细信息 关键词： 低压低功耗;;高共模抑制比;;电流运算放大器;;宽带 [gap=485]Keywords: low voltage and low power;high CMRR;CFOA;wide-band
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It does not need any matched components to reach high CMRR and its bandwidth is not gain-bandwidth product limited.
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。
Instrumental amplifiers with high input impedance, high CMRR and low drift are widely used in the small signal amplifying field.
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。
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.
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。
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