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Time-domain post-processing of VNA data

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jhenderson0107:
Can anyone recommend software capable of post-processing the frequency-domain data retrieved from a VNA to allow time-domain analysis with gating?  My VNA is not equipped with the time-domain analysis option and it is an expensive add-on.  So, I'm inclined to develop an applet to fetch the instrument data, perform time-domain analysis and display, unless a suitable freeware package already exists. 

rfeecs:
Just dump the data into Excel, Matlab, Octave, etc.?

ADS has some built in functionality to do this as well, the "SP TDR" front panel is available from the tool menu in the display window:
http://edadocs.software.keysight.com/display/ads2009U1/S-Parameter+TDR+FrontPanel

zach.cmt:
Have you seen scikit-rf?  It's a Python module for this type of thing.  Haven't used it, just saw it mentioned in a different thread.

jhenderson0107:
Thank you all for responding.  I will investigate/experiment and post my findings within this thread. 

G0HZU:
If it's just for home/hobby use, one option would be to hack and unlock the time domain option on your VNA yourself. Either patch the program code or write a licence file (if it uses as licence file system that is).

If it's just for home use on an old unsupported VNA then I'm not sure anyone cares. This is what I did to unlock the TD option on mine.

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