The purpose of this paper is to demonstrate a systematic approach to design high performance signal conditioning circuits,and to show how to implement the 4-20 mA analog current-loop transmitter and receiver circuits ...The purpose of this paper is to demonstrate a systematic approach to design high performance signal conditioning circuits,and to show how to implement the 4-20 mA analog current-loop transmitter and receiver circuits by using isolation amplifier.The basic principle and typical applicable circuits of the 4-20 mA current loop isolation chip T1100N,the current-limiting circuit and filter circuit are presented.And the experimental testing data of the circuits are analyzed.展开更多
基金Core-University Program(CUP) and Knowledge Innovation Project and Key Project of CAS(No.KJCX-L07)
文摘The purpose of this paper is to demonstrate a systematic approach to design high performance signal conditioning circuits,and to show how to implement the 4-20 mA analog current-loop transmitter and receiver circuits by using isolation amplifier.The basic principle and typical applicable circuits of the 4-20 mA current loop isolation chip T1100N,the current-limiting circuit and filter circuit are presented.And the experimental testing data of the circuits are analyzed.
