BH5HNU NanoVNA-F Aliexpress site no longer there?
Hello all, I was going to place an order for the NanoVNA-F today and the link that I have for the BH5HNU version is down. I would like to buy from a reputable source and I know that huygen is the
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Conrad, PA5Y
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#7163
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Re: errors of "error" models
#78: on the measurement of s-parameters using the [LeastVNA] only - 12 November 2019 - /g/nanovna-users/message/6912 - Hello, Allow us, please, to inform you that we just uploaded the
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gin&pez@arg
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#7162
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Re: Batteries
450mAh is... Not suitable for NanoVNA 1. Stand-by draw 2. Charge circuit pushes over 1A( over 2C rate ) My battery already swelled( PCB/LCD curved slightly )
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RFy
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#7160
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Re: running nanoVNA-saver under Linux Mint XFCE
Fine under Ubuntu 19.10 and Mate desktop. Also never could get it to run under XFCE4.
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Nigel Gunn, G8IFF/W8IFF <nigel@...>
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#7159
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Re: running nanoVNA-saver under Linux Mint XFCE
On my Mint system there was a 3.7 lite package that would install alongside 3.6 and leave? 3.6 as the default version.? nanoVNA-saver worked fine with that package and it didn't mess up other python
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John Ackermann N8UR <jra@...>
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#7158
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Re: running nanoVNA-saver under Linux Mint XFCE
Works fine here on Linux Mint 19.2 amd64 with python 3.7 per instructions here... https://github.com/mihtjel/nanovna-saver Note nvna-s requires python 3.7. Not earlier versions. Looks like some good
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Nick
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#7157
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Re: running nanoVNA-saver under Linux Mint XFCE
Doesn't work on my Linux Mint 18.3 cinnamon with Python 3.6. Python has to be updated to 3.7. I tried that before, but other apps stopped working then. So I rolled back to 3.6 Carsten
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DL8AAP Carsten
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#7156
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Re: Any plans to publish the NanoVNA board files
This is the VNA I am working on. It has the EU1KY bridge (based on a RF choke) and not the divider bridge. Among its advantages is that it directly samples the IF signal on the clock so that a high
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Daniel Marks
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#7155
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Re: running nanoVNA-saver under Linux Mint XFCE
The most recent version of nanoVNA-saver runs fine on Linux Mint 19.1 Cinnamon.? Most development tools are available for everyone.
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Jim Allyn - N7JA
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#7154
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Re: Increasing measurement range (ohms) ?
There is another way to skin the cat so to speak and measure these non resonate high (or low) Z antenna. That is to say an antenna not near 50 ohms. Consider going through the effort of constructing a
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alan victor
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#7153
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Re: Increasing measurement range (ohms) ?
Hi Oristo My comment regarding about "waste of time" regarding S21 measurements was solely based on how to save a S21 sweep and convert it from transmission to reflection. There are other option which
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Kurt Poulsen
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#7152
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Re: running nanoVNA-saver under Linux Mint XFCE
I am using it on Linux Mint Cinnamon 19.1 NanoVNA version 0.2.0 and it works fine. Dave N2VUZ
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dcpub@...
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#7151
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Re: Increasing measurement range (ohms) ?
Hi Andy - The W0QE paper indicates that, seemingly because of errors introduced by parabolic curve fitting in AIM4170 software, calibrating with higher impedance yielded results that he liked better.
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Oristo
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#7150
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Re: running nanoVNA-saver under Linux Mint XFCE
I am using Linux Mint Tina and it works well.
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paul.riggott@...
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#7149
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Re: Increasing measurement range (ohms) ?
Hi Kurt - Thanks as always for your expertise and patience for explaining VNA best practices! This second paper motivates mastering T adapter techniques, particularly for low impedances.
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Oristo
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#7148
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running nanoVNA-saver under Linux Mint XFCE
I am looking for help to try and fix this problem, My Linux computer complaint is : Could not load the Qt platform plugin "xcb" in "" even though it was found. Indications are this is a library
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Nels Nelsen
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#7147
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Re: NanoVNA-Saver 0.2.0
If you can lay your hands on some of the old General Radio (GR) connectors, they would work well. Finding them will be the challenge. Dave - W?LEV
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W0LEV
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#7146
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Re: Increasing measurement range (ohms) ?
Hi Oristo It is a difficult task to measure highZ components based on two restrictions. For the first the DUT used to test the VNA test set up is it really a HighZ with flat response over a large
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Kurt Poulsen
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#7145
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Re: Any plans to publish the NanoVNA board files
This discussion answers many "who is on first" questions. Some of them I had posted on my first post and received some answers too. I have been reading the mail ever since that first post and have
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vaclav_sal <vaclav_sal@...>
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#7144
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Re: Android NanoVNA WebApp - does not work
#nanovna_webapp
no, it doesn't work because it requires Android 7+ -- *73, Lucio I0LYL Rome, Italy*
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Lucio I8LYL former I0LYL
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#7143
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