What is Impedance? Review
Posted on by LSDsmurf
As you probably know if you've been shopping for cables, coax for most video applications is "75 ohm" coax--but what the heck does that mean, anyway? This article is a short, non-technical explanation of impedance, and its significance in video and other circuitry, for those who have always scratched their heads at this one.
Link: Ecoustics