On Sunday, December 23, 2018 07:33:38 PM Doug wrote: > RE: Time Domain Reflectometer: > > Theoretically, you can build your own with a fast pulse generator and an > oscilloscope. The trick is, you need a REALLY FAST oscilloscope! The > pulse generator is easy, just a couple of transistors, maybe a diode. > The circuit is probably in every edition of the Radio Amateur's > Handbook. The scope is expensive. If you don't have at least a 1GHz > digital sampling scope, don't bother! > > --doug, WA2SAY, retired RF engineer
Hmm, with CPU clocks hitting 4 GHz, I wonder how expensive an ADC converter to work at corresponding speeds would be? (Just an idle question ;-)