The key of transmission circuit is an optical isolated differential amplifier. It has the advantages of lower drift, higher CMRR and electrical isolated between input and output signals.

 
  • 文中设计的变送器是一个光耦合差动放大器,它除了具有低漂移和高共模抑制比等优点外,输入与输出之间还是电隔离的。
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