[]
To 500MHz, lower dynamic range to 1.3GHz:
http://sdr-kits.net/VNWA3_Description.html
OK, so the latter isn't build it yourself anymore.
I have version 2.6 of the latter and it works really well to about 575MHz.
Traces can get noisy after about 575MHz.
Remember these VNAs are only as good as the calibration kit you use with
them!
Orin.
==================================
Folks,
I have one of these and it works really well, even up to 1.3 GHz. I know
that some have used it for characterising 32 kHz crystals so it works down
at LF as well.
I can strongly recommend the support group as the source of much expertise,
and it's regularly visited by the designer as well:
http://groups.yahoo.com/group/VNWA/
Some of my own very simple plots:
http://www.satsignal.eu/Radio/ddamtek-filters.html
http://www.satsignal.eu/Radio/RX-filters.html#response
73,
David GM8ARV
--
SatSignal Software - Quality software written to your requirements
Web: http://www.satsignal.eu
Email: [email protected]
Twitter: @gm8arv
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