Friday, April 18, 2025

Sensor drive circuit for eddy current displacement sensor:

 2021: Driver Circuit Improvement of Eddy Current Sensor in Displacement Measurement of High-Speed Rotor Maolin Sun , Jinxiang Zhou , Baotian Dong, and Shiqiang Zheng

  1. Instead of using Colpitts oscillator as a drive circuit for the Eddy current sensor, use a mosfet with crystal oscillator source to drive Eddy current sensor
  2. A single mosfet driven source can power multiple  eddy current sensors
     
     
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