Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options answers only not deleted user 2988
6 votes
Accepted

What should a NanoVNA show for twisted pair impedance in TDR mode?

My trick, I'm sure not my own invention, is to do this: Calibrate the VNA over a wide frequency range, perhaps from 0 to quarter-wave. … And with a battery-powered VNA maybe even less of an issue. Some ferrites on the coax wouldn't hurt... as usual just try laying your hands on the circuit to see what changes. …
tomnexus's user avatar
  • 12.2k