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.

 
  • 本文研究了幾種常用儀表放大器電路結構,發(fā)現多需通過(guò)激光調阻技術(shù)來(lái)提高電阻網(wǎng)絡(luò )的匹配精度以達到高的共模抑制比。
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