Re: VNA S/W & H/W project & theory resources
I have some boards for the 'Yet Another VNA Project' if anyone is interested in doing a bit of soldering.
They are SMD boards not TH.
/ Gerry
By
Gerry Kavanagh
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#687
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Re: AliExpress and NanoVNA supplier get 5 stars
I want to add my experience to this. I also purchased from Guangy0016 and received what is considered to be the 'best clone', i.e. black, with shielding + ch0 legend, USB C. I have compared
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Gerry Kavanagh
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#686
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Re: NanoVNA Under The Covers
Excellent review, Gary.
The small PCB on the battery is the protection circuit. The charging circuit is located just below the jog switch and is a combined LiIon charger and 5v inverter.
Lastly,
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Larry Rothman
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#685
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Re: NanoVNA Under The Covers
Thanks Gary. I contacted my supplier, EBay and ask if I could get another set of cal8bration loads.? No luck. The 50 ohm was of very high quality, return loss -70dB compared to -40dB from another
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F4WCV
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#684
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NanoVNA Under The Covers
Having expressed accolades to AliExpress supplier Guangyi0016 store... I felt duty bound to provide a thorough overview of the hardware itself. I also think I missed the "i" in the supplier's ID, so I
By
Gary O'Neil
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#683
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AliExpress and NanoVNA supplier get 5 stars
I received my NanoVNA today... just 22 days after ordering it. FWIW, I made the purchase via the AliExpress App, and the supplier was the same as used by at least two others with similar delivery
By
Gary O'Neil
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#682
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Re: Source of decent NanoVNAs on eBay
Thanks for the info - useful to know. I had to laugh when I read this
though:
"About Us
1.We are professional factory to make kinds of motorcycle CNC
accessory,such as kinds of modified brake clutch
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Mike Brown
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#681
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Source of decent NonoVNAs on eBay
I see lots of people having trouble sourceing what they consider a good
version. I bought his one
https://www.ebay.co.uk/itm/254253727598
I can't really complain
* It came with a battery
* It has 4
By
Dr. David Kirkby from Kirkby Microwave Ltd <drkirkby@...>
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#680
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Re: Order a original nanoVNA
Hi hugen,
Thanks for the link. I prefer ebay, but I try thisuser.
Regards, Colin.
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Colin Dexter
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#679
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Re: VNA S/W & H/W project & theory resources
Having a central repository for files and possibly links is way better than
telling people to search all posts for "something discussing what I think
was screws" but which actually referenced
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Hans J Albertsson
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#678
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Re: VNA S/W & H/W project & theory resources
Thanks, I'll have a look.
I want to be careful not to increase the 'noise' with a pile of links but at the same time, search for and post some really useful ones, IMHO.
73
Larry VE3LRI
By
Larry Rothman
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#677
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Re: VNA S/W & H/W project & theory resources
I took the liberty of creating a page for external links.
I don't have my nanoVNA yet, so I don't have anything to add to...
well, to any discussion except this:
The idea of a wiki is that anyone can
By
Buck Calabro, KC2HIZ
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#676
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Re: DL2SBA j-vna software
The NanoVNA USB port was originally designed as a debug interface, according to the original designer (edy555).
Since he open-sourced the code, maybe others will add additional functionality.
The only
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Larry Rothman
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#675
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VNA S/W & H/W project & theory resources
I like to research all my projects and have found a number of software and hardware resources of the NanoVNA, EU1KY VNA,and DG8SAQ VNA that users and/or developers may find useful.
(MOD: Feel free to
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Larry Rothman
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#674
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Re: DL2SBA j-vna software
Will have to change their firmware I think.Sent from my Samsung Galaxy smartphone.
By
F4WCV
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#673
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Re: DL2SBA j-vna software
IMO, nanoVNA should instead at least optionally emulate USB interfaces
of better-supported VNAs.
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Oristo
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#672
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Re: DL2SBA j-vna software
Don't expect he would, but someone with rhe java code can do it surely.?Sent from my Samsung Galaxy smartphone.
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F4WCV
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#671
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Re: DL2SBA j-vna software
I have asked Dietmar (DL2SBA) and he is not interested in making any changes to his code to facilitate the NanoVNA.
/ Gerry
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Gerry Kavanagh
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#670
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Re: DL2SBA j-vna software
Not necessarily more costly. I have homebrewed the F4GOH Arduino based vna for HF only and it uses that interface. Works well but only up to 60MHz.Sent from my Samsung Galaxy smartphone.
By
F4WCV
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#669
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Alternative VNA software
Dave (G8KBB) has evolved a most wonderfully robust VNA GUI that he calls myVNA. I believe he is open to sharing the interface with those who might be willing to do the work of adding support for other
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Gary O'Neil
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#668
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