Re: USB cable
Bob, Buy an ST-LINK adapter for a few bucks from this place where I got mine and you can read and write to the micro using the edge pins. https://www.aliexpress.com/item/32684040486.html? Works
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Larry Rothman
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#7926
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Re: USB cable
I like the idea of soldering a cable to the board.? When my mind is sufficiently clear I will take a look and see if I can identify the appropriate places on the board. I am not optimistic because
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Bob Albert <bob91343@...>
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#7925
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Re: Question on transmission loss
There are two losses reported when measuring S21. One is reflection loss (mismatch) and the other is losses in the conductors (I squared times R ) and dielectric. If the transmission line is coax
By
WB2UAQ
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#7924
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Re: New version of NanoVNA-Saver: 0.2.1
Thank you Erik for quick answer. Actually I wanted at first to know the antenna impedance, but having also info about the feeder seems very interesting. Thank you also Rune for the very useful
By
Ady, YO2NAA
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#7923
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Re: New version of NanoVNA-Saver: 0.2.1
I'm not an expert but this is what I understood: Zplot is able to determine the impedance of the feed cable (if different from pure 50ohm) It also is able to calculate the frequency dependent loss
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Erik Kaashoek
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#7922
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Re: New version of NanoVNA-Saver: 0.2.1
Dear Erik, regarding your method: "Using nanoVNA saver you can measure your antenna feedline with the antenna disconnected and replaced with a OPEN/SHORT The resulting two touchstone files can be
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Ady, YO2NAA
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#7921
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Re: New version of NanoVNA-Saver: 0.2.1
Dear pgc1682 The nanoVNA is a wonderful example of how to do the best with the least at a price point everyone can afford. Has this lead to compromise? Yes. example is the size of the screen or the
By
Erik Kaashoek
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#7920
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File updated in [email protected]
Hello, This email message is a notification to let you know that the following files have been updated in the Files area of the [email protected] group. *
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[email protected] Notification <nanovna-users+notification@...>
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#7919
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Re: nanovna-saver-v0.2.1 Stops Working
Paul, It sounds as if you did not calibrate the Nano correctly and the PC app is getting corrupted data. Please follow the various calibration instructions either on the forum Wiki or in the User
By
Larry Rothman
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#7918
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Re: nanovna-saver-v0.2.1 Stops Working
Rune, thanks for the reply, much appreciated. I download the '64' version of VC++ 2015 first and that didn't work...8^) Then did the same for the '86; version and Eureka!.. There it is, a window full
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Chuck Carpenter
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#7917
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Re: nanovna-saver-v0.2.1 Stops Working
I get a similar problem,for the first few mins the screen jitters all over the place,then settles down but i have no cursor on the polar or smith chart,its pretty much unusable as it is for me.
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paul larner <quadzillatech@...>
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#7916
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Re: New version of NanoVNA-Saver: 0.2.1
Hi Kurt and others, Sorry for wrong copied new post. I deleted it. Now the the correct reply: Thanks for the detailed reply. You can send to me the measurements in file s1p format? You can measure
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pgc1682@...
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#7915
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Re: 1500Mhz, usable ?
My unit came from an eBay supplier in Basildon Essex, however the listing is no longer there. I would suggest the nanovna-h which comes with case and all accessories including a USB-C to USB-C lead
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Barry Jackson
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#7913
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Re: NanoVNA-Web-Client, problem with Chromebook
Gwen, Thank you for this interesting solution, think I will leave this Chromebook stock (Version 76.0.3809.136 (Official Build) (64-bit) as there are several laptops and desktops also in us here, the
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GM4CID <gm4cid@...>
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#7912
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Re: nanovna-saver-v0.2.1 Stops Working
Have you had any other versions of NanoVNA-Saver running previously? Do you know if you have a new-ish version of the Microsoft VC++ Redistributable library installed? (I think it should be included
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Rune Broberg
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#7911
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Re: NanoVNA-Web-Client, problem with Chromebook
I may just do that thing, me. Got a couple of NanoVNAs sitting here. I just hadn't gotten around to trying the web client yet with it. But that can be done. 73, Gwen, NG3P
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Gwen Patton <ardrhi@...>
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#7910
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Re: USB cable
No problem. We all get ahead when we 'play' with our 'toys'? ;-) On Fri, 6 Dec 2019 at 5:44 AM, Gyula Molnar<gyula.ha3hz@...> wrote: Hi Larry, I'm glad that many people have noticed what the
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Larry Rothman
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#7909
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Re: USB cable
Hi Larry, I'm glad that many people have noticed what the original author wrote in the "Know issues" section of the NanoVNA alpha1 kit assembly manual. I think the same way, thank you for trying to
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Gyula Molnar
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#7908
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nanovna-saver-v0.2.1 Stops Working
Downloaded the file and moved it to a different folder. Apps nanovna-saver-v0.2.1.exe Clicked on the file to run it. A window opened, a flashing cursor appeared briefly then the dialog box shown in
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Chuck Carpenter
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#7907
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Re: USB cable
When I received my first nano a white gecko clone, the first thing I did was drop it with the dinky microusb cable plugged in. The entire usb connector pulled off and was basically destroyed.. So I
By
kh6sky
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#7906
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