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Re: External Down/Up converters for NanoVNA/2/SDR
Just did the test Two mixers rated for 2GHz-4GHz with IF ports 10MHz-2GHz Connect the nanoVNA CH0 and CH1 to the IF ports, LO ports together to a generator at 2350MHz. Filter to measure connected to
By Erik Kaashoek · #13535 ·
Re: Are any of the NanoVNA sold on Amazon any better or worse than any others? Is there a better U.S. site to order from?
I paid 60.00 with tax and shipping from R&L electronics.?Sent via the Samsung Galaxy S10, an AT&T 5G Evolution capable smartphone
By W2DWL <w2dwl@...> · #13534 ·
Re: Are any of the NanoVNA sold on Amazon any better or worse than any others? Is there a better U.S. site to order from?
The "H4" was $75 plus tax, free shipping
By avvidclif · #13533 ·
Re: Down Load from the NANOVNA
Backup firmware to computer /g/nanovna-users/topic/backup_firmware_to_computer/74035302?p=,,,20,0,0,0::recentpostdate%2Fsticky,,,20,2,20,74035302
By DiSlord · #13532 ·
Re: Down Load from the NANOVNA
The DefuSe utility is used to upload and download the flash from the Nano.? On Fri, 15 May 2020 at 8:07 PM, w3wte<g.laser@...> wrote: Hi Group, Is their a way to download the settings I have
By Larry Rothman · #13531 ·
Re: External Down/Up converters for NanoVNA/2/SDR
Check out the convertors designed for the HP8924 series like the 83236B which converted the PCS band 1.8 GHz to the cellular band (850 MHZ)
By Bill Higdon · #13530 ·
Down Load from the NANOVNA
Hi Group, Is their a way to download the settings I have created in the NANOVNA to a computer? I have one version of the firmware loaded and calibrated. I would like to down load that version to the
By w3wte · #13529 ·
Re: #buying #nanovna-f #buying #nanovna-f
I agree with Mike. Many of the others are knock-offs and may not be supported. ?___ Sent from my two way wrist watch 73 de W3AB/GEO?
By GEO BADGER · #13528 ·
Re: #buying #nanovna-f #buying #nanovna-f
Yes herb. You are correct that none of them are "official". I guess my point was that if you get the NanoVNA-F from the aliexpress / Deepelec store you will be guaranteed to get the actual BH5HNU
By Michael Docy · #13527 ·
Re: S-A-A-2 Firmware & Software Releases
I received my NANONVA about a week ago. I have been able to analyze antennae and cables. it has a white benzel and appears to have earlier firmware. Is there a 1,2,3... procedure to upgrading the
By Arnie Merrick <arnie_m1@...> · #13526 ·
Re: Are any of the NanoVNA sold on Amazon any better or worse than any others? Is there a better U.S. site to order from?
I just left R&L after picking my new nano vna up. They are running a special on them today for $39.95. Since I get the digest I'm not sure that somebody has brought this up but I would almost bet they
By Randy.AB9GO · #13525 ·
Re: #docs #learning #teaching #docs #learning #teaching
On Fri, May 15, 2020 at 01:36 PM, <m1dgq1@...> wrote: ... some explanation of what you see on the screen and what you expect to see would be good ...
By hwalker · #13524 ·
Re: #docs #learning #teaching #docs #learning #teaching
Have you looked at the Wikipedia article on the Smith chart?: https://en.wikipedia.org/wiki/Smith_chart It has a lot of math, but it also gives a description of how a given impedance (resistance +
By John Gord · #13523 ·
Re: #docs #learning #teaching #docs #learning #teaching
Where are you located? Alan
By alan victor · #13522 ·
Re: #buying #nanovna-f #buying #nanovna-f
On Fri, May 15, 2020 at 10:19 AM, Michael Docy wrote: ... I did some research. The only official NanoVNA-F is from developer BH5HNU at Deepelec. He has not released the pcb to the public ...
By hwalker · #13521 ·
#docs #learning #teaching #docs #learning #teaching
i Have asked this before but my post seems to have been lost. From experience and being taught i now what to expect as a result for a return loss measurement . From experience and being taught i know
By m1dgq1@... · #13520 ·
Re: External Down/Up converters for NanoVNA/2/SDR
Gus, Yes, a single LO split to run both mixers. (And the mixers were ZEM-4300, not ZFM. Poor memory. You would want something else for 5 GHz anyway.) --John
By John Gord · #13519 ·
Re: #buying #nanovna-f #buying #nanovna-f
I had the same question as Russell C. Nixon and I did some research. The only official NanoVNA-F is from developer BH5HNU at Deepelec. He has not released the pcb to the public so every other
By Michael Docy · #13518 ·
Re: External Down/Up converters for NanoVNA/2/SDR
Excellent - Thank you guys! I will certainly post some results and pictures once I get them going. Considering these converters cost ~$5-10 each, I figured there wasn¡¯t much to lose. John, When you
By Gus Osborne · #13517 ·
Re: Are any of the NanoVNA sold on Amazon any better or worse than any others? Is there a better U.S. site to order from?
Interesting - maybe the forum owners can implement this if it's not a paid feature.
By Larry Rothman · #13516 ·