Re: nanovna Battery Specifications
This is the bottom side of the shielded version. The shields are on the right and cover the RF portions. Many..... most maybe.... do not have these shields. If yours does not, do not fret. They make
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Warren Allgyer
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#3222
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Re: NanoVNA-Saver 0.0.12
Avast antivirus cheched the nanovna-saver executable , and now the program can be execute in normal way. Regards Maurizio IZ1MDJ
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Maurizio IZ1MDJ
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#3221
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Re: Experimental 256 point FFT Firmware
You're don't understand what I say. I don't say that TDR is waste of time. I say that attempt to integrate it into firmware is waste of controller memory in the detriment of more useful functions. TDR
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QRP RX
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#3220
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Edited
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Re: NanoVNA V2
Yes, it is a shame to have to go to a different board material.? That would probably severely handicap the Chinese vendors of the hardware since most board houses that offer low setup charges and
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WY6K Mike Watts
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#3219
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Re: NanoVNA V2
Actually, the suggestion of V2 being modular is interesting. Many Chinese electronic products are manufactured using a main PCB to hold charging and other ancillary circuits and the wireless and/or
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Larry Rothman
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#3218
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Re: NanoVNA V2
Hello Mike Yes, adding the ADF4351 is a possibility. I was merely referring to the additional PCB, perhaps FR4 has to be abandoned, and component costs. Bo
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Bo, OZ2M
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#3217
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Re: NanoVNA V2
Bo, Someone suggested using a drop-in alternative chip that would extend operation up to 4 GHz.? This would be very useful because it would then cover the 3.3 - 3.5 GHz band.? It would be a good
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WY6K Mike Watts
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#3216
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Re: NanoVNA V2
Hi Here are some thoughts about a v.2. Make a modular design consisting of RF, processor/digital, display and battery boards. Then each part can be replaced when a better solution is available e.g.
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Bo, OZ2M
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#3215
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Edited
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Re: NanoVNA-Saver 0.0.12
Rune, Thanks for your continued outstanding work! :>). I am running 0.0.12 on Windows 7. All I am doing is downloading the file, creating a shortcut to it , and clicking on the shortcut. No issues
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Bryan, WA5VAH
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#3214
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Re: NanoVNA-Saver 0.0.12
Hi I am relatively new to the NanoVNA thus the NanoVNA-Saver but I have spent a number of hours in front of an 8753C :-) I really like the NanoVNA-Saver and therefore have some ideas for further
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Bo, OZ2M
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#3213
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Re: Experimental 256 point FFT Firmware
qrp.ddc, You are absolutely wrong in saying TDR on the NanoVNA is a 'waste of time'. This is essentially an Amateur Radio hobby forum. Amateurs have been at the forefront of many new innovations in
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Larry Rothman
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#3212
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Edited
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Re: nanovna Battery Specifications
How can you tell if it is shielded?? I see several small shielding "cans" on the PCB.? Is that the only shielding that the "shielded" ones have??? Mike WY6K "... somewhere in the distance, there's
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WY6K Mike Watts
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#3211
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Re: NanoVNA-Saver 0.0.12
Rune,? The only problem I had was that Norton AV thinks it is malware and quarentines it. Mike WY6K "... somewhere in the distance, there's a tower and a light, broadcastin' the resistance, through
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WY6K Mike Watts
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#3210
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Re: Experimental 256 point FFT Firmware
more FFT size leads to better time resolution. I don't need to measure cable length with TDR, this is not reliable way, because it depends on cable velocity factor which may vary even through cable
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QRP RX
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#3209
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Edited
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Re: NanoVNA-Saver 0.0.12
Hi Norbert, Thanks for testing the new functionality! The warnings are normal, sadly, and really just show how the data from the NanoVNA sometimes shows up very corrupted on the PC. I don't know what
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David J Taylor
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#3208
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Re: errors of "error" models
UOn Fri, 27 Sep 2019 at 15:12, yza <yzaVNA@...> wrote: 18 : @Dr. David Kirkby from Kirkby Microwave Ltd : No problem at all. This looks interesting. We much appreciate that; indeed. Therefore,
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Dr. David Kirkby from Kirkby Microwave Ltd <drkirkby@...>
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#3207
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Re: NanoVNA-Saver 0.0.12
On Fri, Sep 27, 2019 at 01:04 PM, Rune Broberg wrote: > > I just released 0.0.12: > > https://github.com/mihtjel/nanovna-saver/releases/tag/v0.0.12 > > This release of NanoVNA-Saver offers a number of
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Maurizio IZ1MDJ
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#3206
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Re: How to measure source impedance?
max efficiency happens when you match output impedance with the load on the output connector. More hot on the load means better match and better efficiency. This is pretty easy. For maximum efficiency
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QRP RX
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#3205
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Re: NanoVNA-Saver 0.0.12
Hi Rune I forgot the saving calibration is not providing and info for where to save. I doubt it is saving at all. The guided calibration is perfectly done clear and crisp to understand Kind regards
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Kurt Poulsen
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#3204
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Re: NanoVNA-Saver 0.0.12
Hi Rune Version 0.0.12 great news. I have tested your calibration using the Delay and L/C coefficients together with my HP83033C female calibration standards and tested the calculated data for
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Kurt Poulsen
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#3203
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