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
·
|