【摘要】 应用普通运算放大器LF353和普通光耦TLP521设计了一种新型线性隔离放大器.介绍了设计方案及其电路结构,并分析了其工作原理.实验结果验证了本设计方案的正确性.和同类放大器比较,该隔离放大器除了在性能上和集成模拟隔离放大器相接近外,还具有电路结构简单、易于实现、造价低廉等优点.更多还原

【Abstract】 A novel design method of linear isolated amplifier is introduced,which consists of operation amplifier LF353 and photocoupler TLP521.The structure of the proposed amplifier is given.Its principle is also analyzed.The experimental results prove that the device offers good performances.Compared with other analog integrate isolated amplifiers,the amplifier has the same characters with them.The amplifier has some advantages,such as simple structure,easy to be realized and low cost.更多还原