Topic

tdr

2 videos. Ranked by independent recommendations, not by views.

1. 

   1 #37: Use a scope to measure the length and impedance of coax

   w2aew 7 people · 20 months · since Dec 2014

   Shows how to measure a cable's characteristic impedance with an oscilloscope using time domain reflectometry, often cited when transmission line questions come up.

2. 

   2 #88: Cheap and simple TDR using an oscilloscope and 74AC14 Schmitt Trigger Inverter

   w2aew 13 people · 13 months · since Aug 2013

   Builds a simple fast-edge pulse generator from a Schmitt trigger inverter and uses it with an oscilloscope as a makeshift time domain reflectometer for cables.