Doping out transmission line difficulties can be a tedious and difficult chore—especially when the load end is not easily accessible. Although there are a number of different methods available, I want to discuss time-domain reflectometry Although the official, bouled-in-bond, 100-proof time-domain reHectometer (TDR) is a terribly expensive piece of equipment, some TDR methods can be used by any amateur who has access to an oscilloscope. Will the residts be as good as professional TDR equipment? In a word: no. Will the results be useful in troubleshooting a transmission line? In a single word: yes.
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Read how to maintain and repair any desktop and laptop computer. This Ebook has articles with photos and videos that show detailed step by step pc repair and maintenance procedures. There are many links to online videos that explain how you can build, maintain, speed up, clean, and repair your computer yourself. Put the money that you were going to pay the PC Tech in your own pocket.