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Hi Oristo, this info from ST site: STSW-LINK009 Active Save to myST ST-LINK, ST-LINK/V2, ST-LINK/V2-1 USB driver signed for Windows7, Windows8, Windows10 Get Software Download databrief This USB

This may seem to be a dumb question. I hope not. I've been involved in electronics for over 60 years and have done a lot of component and circuit testing using a variety of test equipment items, i.e.

I think I get what you are saying, which is that a real world lossy coax stub will have ripples in its S11 that are physical and even if measured with a perfect VNA. In that case I think what I should

Hi Norbert I think you problem is the load as a load has influence on both the short and open calibration. It might be more reactive than my measurement on the NanoVNA supplied load. I suggest you

Yes, I used a barrel adapter.

And - that is why I said: On Friday, January 24, 2020, 7:52:35 a.m. GMT-5, Clyde Spencer <cftr01b@...> wrote: Actually the pin in a N Male connector is larger, wider, than the female BNC. Using

Actually the pin in a N Male connector is larger, wider, than the female BNC. Using a N male on a BNC female will spread the BNC female center to the point it can become intermittent for a BNC male.

Hi Kurt, thanks for your reply! The picture shows the calibration settings, that I copied from your document "Male and female calibration of NanoVNA-H". I used the same standards as you did except the

...and don't forget that male N connectors fit female BNC & TNC as well - just don't push them in too far or you'll damage the centre pin on the BNC/TNC.

Interesting. It looks like they replaced the guts of their old METROVNA DELUXE 250 (up to 250 MHz) with some form of nanoVNA. Case, screen and connectors all look the same. No mention of the nanoVNA

Well, I tried several brand name connectors like Amphenol. I needed a right angle pcb mount BNC. They seems to come in just two flavors: cheap or very expensive (> 10-25 euro). My application does not

Thanks for feedback Another possible driver "ChiBios/RT Virtual COM Port" Presumably because, sometime in the past, another device (e.g. ST-Link) or application provoked installation of those drivers

On Fri, Jan 24, 2020 at 02:16 AM, Reinier Gerritsen wrote: " BNC on 900 MHz is just so so, on a measurement device it is an absolute no no! ''

Hi Norbert On the contrary I see better results. It is all about the calibration so show us a picture of calibration settings and give information about what you are using for calibration Kind regards

Hi Gabriel Nice to hear you about experiments with the tuning of cal kit parameters which my great hobby. You may find interst in finding the fringe C for the open using the program FEMM which does

BNC on 900 MHz is just so so, on a measurement device it is an absolute no no! I will happily stay with SMA for most of my RF work, and u.fl if it needs to be small. Op 24-1-2020 om 00:38 schreef

Howdy Bob, I don't know if it would be worth the cost, but cell-phone repair techs are always fixing those tiny connectors. There's some youtube videos. Most don't use a tiny-point iron for fine-pitch

Hi Rune, after calibration with the nanovna saver software, I connected a 35cm long semi rigid coax to CH0. I am wondering, that at full reflection the response moves over the perimeter of the smith

Thanks Bob,you are right it was bought with no battery. Not up to working with SMD size components and soldering so have bought a 5V power bank and will run it from that when in the field. Regards &

Hi Oristo, Good work on the driver wiki page. For better new-user understanding, you might consider adding something like: "There are 3 possible drivers that may appear in Device Manager: 1 -