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Maybe I am missing something here but why not just connect the 6T:3T transformer to provide the impedance transformation AND the ground isolation? That is, only connect the 6T winding to the local

At the end of the day even SMA would be marginal. If you played around with this board frequently you will even wear out SMA connectors. My view is that anything that is used daily should N

I recently re-looked at the Beverage antenna system. Using EZNEC and a reference to an old HR paper, I decided the 9:1 Balun or UnUn still makes best sense. If I terminate the Beverage in an

Hi DiSlord! when compiling and downloading your code from this link, if you go in and select the Q FACTOR menu, NanoVNA is freezing. Can this be fixed? If you load the dfu file below, then there is no

Hi, Why not make one of these RF Demo Calibration boards with SMA connections and add a few bucks to the price for the added cost of the SMAs? Then we'd all have a useable testing and calibration

Ahh, ok.

Possibly problem in old config, need reset it by run in console after update

Don`t understand question. Select format not change. Edy555 add Q Factor format on next page Display->Format->Smith

That's a good question! I was using it on a fixed antenna, that wasn't being adjusted. I'll play around with it and see if it follows something that is being tuned. 73, Zack W9SZ

Nice DiSlord, but.. where is the smithchart gone ? Changed with a ..target scheme ?

Hi Zack - What I am trying to do is tune a magnetic loop antenna and have the nanoVNA actively track the single lowest SWR across the range as I tune the loop antenna, that would continuously show me

Today, edy555 released a newer version of the nanovna firmware, in which it modified the following: Add format Quality Factor Fix label R+Xj to R+jX Add bandwidth command some fixes You can see beta

Hi Mark, what about this one: https://www.aliexpress.com/item/4000593819988.html?spm=a2g0o.detail. 1000014.11.1dba3346IgYDPz&gps-id=pcDetailBottomMoreOtherSeller&scm=

Hi , just to learning , why not use the short open load and thru already available on the board ? 73 de IZ1MDJ Maurizio

Update to last edy555 code: Now AntScope2 can detect NanoVNA (see my post /g/nanovna-users/message/14317), but this software must better parse info data for correct detect device. A

Solution used in the shop was U.FL adaptors to SMA, then offset the plane of meausrement buy the needed distance in picoseconds. At below 30mhz its not an bit issue. Allison ----------------- No

I think I was using Hugen's but I switched to Edy555's and it seems to be an improvement. Thanks!

Hello David, There was already a longer thtead started December last year: /g/nanovna-users/topic/rf_demo_kit_testing_tutorial/65778338 73, Rudi DL5FA

Any good VNA can be used to evaluate preamps. However, remember to consider IP3 and the max input that may yield 1 dB compression at the output. When driven too hard, the device will not perform as it

Here is the picture. LOL