The trouble of disable opening X-ray tube in ARL9400 X-ray fluorescence spectrograph caused by destroied field effect transistor was discussed.

 
  • 介紹由于X射線(xiàn)熒光檢測器探頭的前置放大電路場(chǎng)效應管損壞而導致X射線(xiàn)光管不能打開(kāi)的故障原因及故障排除方法。
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