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Re: Virtual com port not found
Your response does not address the problem I encountered.
By Robert Malsbury · #11427 ·
Re: SWR and Restore help needed
Yes, pictures are worth thousands of words! Once calibrated, what does the SWR show with nothing connected to either port - preferably, display the Smith Chart. But if you are not familiar with that,
By W0LEV · #11426 ·
Re: SWR and Restore help needed
Carl, It would help if you provided a picture of your screen and test set-up. Sometimes new users aren't used to operating an analyzer with two channels and try to perform SWR measurements on CH1
By hwalker · #11425 ·
Re: Nanovna white screen USB dead #firmware #nanovna-h4
19 Hi Herb, Peace be upon You and Yours All. I had to reinstall the software and take my Nanovna - H apart and using a jumper to revoke it. I tryed bevore without installing the software new, no
By 19.ari@... · #11424 ·
Re: SWR and Restore help needed
Make sure you are set up for Port 0 reflection. Bob
By Bob Albert <bob91343@...> · #11423 ·
Re: SWR and Restore help needed
Larry, I have the manuals and read through everything I can find on the interweb. Also Youtube videos. Every time I try to do the SWR readings it shows SWR 1.00 and a straight line. On the hand held
By Carl · #11422 ·
Re: cable imedance
Jean, here is how I do it. 1. Set up for Smith chart2. Run a sweep to see how the curve runs around near the edge of the chart3. Narrow the sweep range to a bit more or less than the frequency where
By Bob Albert <bob91343@...> · #11421 ·
cable imedance
Hello all. Still puzzled by all the stuff we can do with this device that were out of reach beside buying big bucks HP or (bigger bucks) R&S . I'm running a genuine NanoVna H with the last eddy
By ptapon@... · #11420 ·
Re: File updated in [email protected]
Thank you Luc. That is a marvelous presentation. Thank you very much for all that work. Larry, AE5CZ
By Larry Goga · #11419 ·
Re: Virtual com port not found
Programs to fix windows 10 driver issues are usually a scam. -- NanoVNA Wiki: /g/nanovna-users/wiki/home NanoVNA Files: /g/nanovna-users/files Erik, PD0EK
By Erik Kaashoek · #11418 ·
Re: Virtual com port not found
This topic was already discussed here a few times and it's written-up in the Forum Wiki. Win 10 isn't supposed to need a separate driver for the nano. Why not just provide the website here?
By Larry Rothman · #11417 ·
Virtual com port not found
After using Nanovna-saver for awhile, it fails to find the virtual com port. I have the solution ? well, not me, but I found someone who does. They have a program that fixes the driver on Win10.
By Robert Malsbury · #11416 ·
Re: SWR and Restore help needed
Read the User Guides, Carl. There are several on the forum. To perform a complete reset, with no calibration, you need to connect the device to a PC and use TeraTerm or another comm program to talk to
By Larry Rothman · #11415 ·
Re: SWR and Restore help needed
More info, I only want to use this unit as an antenna analyzer at this time, Carl
By Carl · #11414 ·
SWR and Restore help needed
I got my Nanovna-H a week ago and after many tries I can't get it to display SWR trace. I now have it so messed up I need to restore it to factory default. So I seem to be dumb and need help. Can
By Carl · #11413 ·
Re: nanoVNA locked up
Sounds like a static discharge may have done something. The schematic is available so why not do some simple troubleshooting? Make sure the 3.3v regulator is working: 5V in and 3.3V out. Disconnect
By Larry Rothman · #11412 ·
nanoVNA locked up
I have had my nanoVNA since September. Have loaded several different versions of FW without issue. Today, after doing a calibrate, it locked up. Unresponsive to touchscreen. NanoVNA-saver can't talk
By Steve N2IC · #11411 ·
Re: LPF Conundrum
Update Phase... From all the 22 display options I'd never selected Phase, so I did that for both S11 and S21 sweep plots Maybe this is the Ahaa Moment, Alan...8^) I've attached two documents, one with
By Chuck Carpenter · #11410 ·
Re: V2 Design #nanovna-v2
On Sat, Feb 22, 2020 at 02:07 PM, hwalker wrote: Erik, Good news and thanks for the update. Gabriel has been a little quiet lately. I thought she would be doing a little bit more promotional activity
By hwalker · #11409 ·
Cursor is disappearing
Hey there. why would the green box that highlights the menu selections be disappearing? Sometimes it comes back, other times I have to hit the power button. Also, I did a little test today against my
By Jerry · #11408 ·