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Re: Using an external RF bridge with NanoVNA
Thank you all for the nice info. The puzzle is much closer to completion. In the mean time I have received the bridge, made first measurements. So far I can see that |S21| using the bridge agree very
By Ady, YO2NAA · #8601 ·
Re: Thermal effect?
Then connect usb and wait until battery will be charged to 100 % and charge led stops blinking. After that you can start measurement. The effect will be significantly reduced.
By QRP RX · #8600 ·
Re: First PCB pictures of the V2
On Mon, Dec 23, 2019 at 08:44 AM, Oristo wrote: Give it a rest https://www.thoughtco.com/the-textile-revolution-1992454 ========================================================== Oristo, I second your
By hwalker · #8599 ·
Re: QEX Magazine #tutorials
I could write an article comparing between the NANOVNA and the HP 8753C with associated S-Parameter Test Set both of which I have. But, I'm not so inclined as I've satisfied myself that the two, over
By W0LEV · #8598 ·
Re: NanoVNA Presentation #measurement #nanovna-saver #tutorials
Nice job Luc. An english version will be very nice. Kleibe PP2KR
By Kleibe PP2KR · #8597 ·
Re: NanoVNA Presentation #measurement #nanovna-saver #tutorials
Good luck Arie, veel succes ! Feel free to use anything you think is useful. You can always distribute my presentation as "extra" reading material. And oops, I forgot to mention in my first post that
By Luc ON7DQ · #8596 ·
Re: NanoVNA connected to Amazon Fire tablet
Amazon has updated the various Fire tablets a number of times over the years. Many of their devices, even including ones that were being sold earlier in 2019, are stuck on Fire OS 5, which is derived
By Shirley Dulcey KE1L · #8595 ·
Re: First PCB pictures of the V2
Give it a rest https://www.thoughtco.com/the-textile-revolution-1992454
By Oristo · #8594 ·
Re: NanoVNA connected to Amazon Fire tablet
Read my note on purchasing Chromebooks. They actually come with an 'expiry date' after which Google will no longer offer any type of updates. A number of forum members have installed Linux on their
By Larry Rothman · #8593 ·
Re: Choke Series resonant frequency measurement
Thanks for the feedback and link Ady. Once the cal is complete, the measurement plane is 50 ohms. Assume the cal is accurate and complete, the fixture will actually be a larger error contributor than
By alan victor · #8592 ·
Re: First PCB pictures of the V2
It would not. GPL:ed software does not care about the license of the hardware it runs on. If it did, Dell and Lenovo would have to release the schematics and board files of their offerings running
By Ismo V??n?nen OH2FTG · #8591 ·
Re: NanoVNA connected to Amazon Fire tablet
hwalker- L.Rothman- A couple of weeks after I bought the FIRE as it's only 4 months old yesterday. Amazon sent me a "Special Offer" to trade in my FIRE for the "Latest". I felt it was a "Bulk email"
By Larry Macionski · #8590 ·
Re: New extended Tutorial Version 1.5. for the NanoVNA-H
Hello Gunthard, Thank You very much for your wonderful web site with so many GREAT tutorials ! NE7LS wrote: -- n_n
By Nels Nelsen · #8589 ·
Re: errors of "error" models
ann : next-to-come : on the comparison of our picture with that by Erik, PD0EK
By gin&pez@arg · #8588 ·
Re: errors of "error" models
#90.04: Another one Estimated Value of Core Uncertainty in Z Measurement - Continuing our guesses regarding the references of Gary O'Neil, N3GO : 23 December 2019 -
By gin&pez@arg · #8587 ·
Re: First PCB pictures of the V2
On the software side, Edy555 released his software under the GPL licence. Would that put the hardware under such licence? I am not sure. But Gabriel is telling us that the new product have nothing to
By Pierre Martel <petem001@...> · #8586 ·
Re: errors of "error" models
@Gary, N3GO 22 December 2019 - /g/nanovna-users/message/8572 Dear Gary, Well, these are interesting issues indeed, but we are not sure exactly where we have to look at, so we can only
By gin&pez@arg · #8585 ·
Re: NanoVNA-Saver 0.2.0
I tried to use the TDR on the Saver program, but it shows cable lenghts from 8 meters to 4 kilometers, depending on what I dunno. I have not yet found a procedure how to do TDR. w.
By Helmut Wabnig · #8584 ·
Re: NanoVNA-Saver 0.2.0
Hi Andy, Thanks for your comments! I'm not entirely sure what the NanoVNA returns via the serial port when changed to TDR mode - but since NanoVNA-Saver does have its own TDR function built in, I
By Rune Broberg · #8583 ·
Re: NanoVNA Presentation #measurement #nanovna-saver #tutorials
Nico going Luc! Good pictures as well. I will be doing something like that tonight :-) in Dordrecht, NL. I will be focussing on the Smith Chart in the nanoVNA and applications of that, skipping as
By Arie Kleingeld PA3A · #8582 ·