Technical Topics > Equipment

Inexpensive VNA

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JimIO:
"Like this thing but rationally priced;"

Start here:

https://www.ebay.com/itm/STM32F103C8T6-ARM-STM32-Dev-Development-Board-Module-Blue-Pill-w-ST-Link-V2-USA/292142597005?epid=2212881423&hash=item44050e438d:g:dVwAAOSwYS9ZauEa

~

Matt285:
Christmas gift? I'm not waiting 11 months!

Matt285:
Finally got around to ordering the NanoVNA. Better start watching Youtube videos about it. Cant wait to be able to analyze antennas in the field. Among many other uses. Going to purchase a cell phone type cover for it as well.

Matt285:
One thing I've noticed from the brief reading and short videos is that , it seems to me measuring and trimming antennas to proper SWR is going to be a bit more complex than say the MFJ analyzers where you just set the frequency and adjust from there. I'm hoping i'm wrong and that it will be easy to learn on this new contraption I already ordered. If any one has any insight to this normally easy procedure please share. Thanks

nickcarr3151:
I have the NanoVNA-F model which is the 'upgraded' version.  It has a larger screen and better shielding.  It also has the 1.5 Ghz update and works very well.  I almost spent $2000 on a proper Spectrum Analyzer (with TG) but now I don't have to!  I can test all of my filters and antennas.

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