简介:VCD、DVD在维修中经常出现找不到原元件替换的问题,所以需要用其他可以替用的相关元件来替换,以下是笔者在维修中总结出来的一些IC替换的信息,现整理如下:
简介:Basedonthetheoryofthermalradiation,acontacttypeopticalfiberpyrometerappliedinICengineisputforward.Itiscomposedofthreeparts:ablackbodyprobe,opticalsystem,electricalprocesssystem.Thekeytechnologyofdesignisdiscussed.Experimentisgiventoprovethatthepyrometerhasmuchhigherresponsivespeed,distinguishabilityandmuchlongerrunninglifethanotherpyrometers.