hello, @nsaspook
im working on pic18f46k80 ,for measuring time of a pulse wave in a coax.cable for that can you help with a code

Mod: Created your Thread, link to old.
https://forum.allaboutcircuits.com/threads/light-link-system-tester.114228/post-889311

 

Speed of pulse -

http://web.physics.ucsb.edu/~lecturedemonstrations/Composer/Pages/76.18.html


A "standard" UP cannot thru direct measurement handle necessary speeds in anything but extremely long
cables.

Another approach -

https://www.eevblog.com/forum/projects/building-a-poor-man_s-time-domain-reflectometer/


Regards, Dana.

 

To the TS, what exactly is your question?
https://www.flickr.com/photos/nsaspook/sets/72157629114207524/
https://forum.allaboutcircuits.com/threads/ctmu-time-measurement.115365/#post-900384

CTMU TDR usage example: https://www.edn.com/use-time-domain...r-low-cost-liquid-level-measurement-part-iii/