Reflectometer Schematics

Electronics Infoline Web

Time Domain Reflectometer

http://www.web-ee.com/Schematics/TDR/tdr.htm

produces very sharp pulses in range of 10 ns to 5 us

http://www.epanorama.net/circuits/tdr.html

usage techniques and application notes

http://www.ostgate.com/riserbond.html

http://www.web-ee.com/Schematics/Refelectometer/reflectometer.htm

http://www.mrs.bt.co.uk/dubus/8301-4.pdf

http://www.mrs.bt.co.uk/dubus/8302-2.pdf