Maxed out - 56.1ps rise time
A direct connection between pulse generator and sampling head has eliminated high frequency loss in coax seen in yesterday's shot. Both the pulse generator and sampling head are each rated at better than 70ps, so together this is a surprisingly good result.
Tek 284 pulse generator
Tek 7854 oscilloscope
Tek 7S11 sampling unit plug-in
Tek S-2 sampling head
Tek 7T11A sampling sweep unit plug-in
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Uploaded on January 25, 2015
Taken on January 25, 2015