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
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#11410
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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
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hwalker
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#11409
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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
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#11408
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Re: Your NanoVNA version
hugen@ one of those clones looks just like the real thing. Since we don't have the luxury of asking sellers to open up the case, perhaps you can tell us how to tell the difference by examining the
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Charlie M.
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#11407
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Re: Your NanoVNA version
Look up NANOVNA Sharp under Software and Drivers here : https://drive.google.com/drive/folders/1-JViWLBOIzaHTdwdONX2RP8S4EgWxoND
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Charlie M.
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#11406
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Re: edy555 release 0.7.0-20200223-white screen
GREAT !! I have it installed and I had no issues after the default (50K to 900M) calibration. Remember to press the onscreen RESET button just prior to running a calibration on the unit. You can save
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Larry Rothman
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#11405
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Re: edy555 release 0.7.0-20200223-white screen
Larry Success. I powered down the unit for a couple of minutes and tried the short across the P1 boot pins. This time it was successful. DfuSE Demo recognized it and I was able to successfully load
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Mike N2MS
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#11404
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Re: edy555 release 0.7.0-20200223-white screen
Do a dearch of the forums for STlink (st-link).You can recover using that interface, which is the other set of pins along the side of the nano.
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Larry Rothman
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#11403
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Re: edy555 release 0.7.0-20200223-white screen
Herb and All, I followed your instructions and upgraded my NanoVNA-H form a Hugen-H firmware to version 0.7.0-20200223 followed by a reset and clear 1234. I tired the calibration routine but did not
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Mike N2MS
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#11402
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Re: Nanovna white screen USB dead
#firmware
#nanovna-h4
On Thu, Feb 27, 2020 at 10:27 AM, <19.ari@...> wrote: ".. i updated from NanoVNA-H_AA_20200118 to NanoVNA-H4_20200221 version..." ========================================================= I
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hwalker
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#11401
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Re: Nanovna white screen USB dead
#firmware
#nanovna-h4
Hi Ari, It's great you found your mistake. So - it appears you flashed an H4 device with H firmware. The H4 device uses an F303 micro whereas the H and older Nanovna all use the F072 micro. They are
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Larry Rothman
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#11400
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Re: Nanovna white screen USB dead
#firmware
#nanovna-h4
19 Hi Gyula, Peace be upon You and Yours All. "or reinstall the DfuSe demo." Your last words where the key. I could revoke the device with jumper setting. Then i saw my ignorance, i updated from
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19.ari@...
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#11399
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Re: edy555 release 0.7.0-20200223
#firmware
Larry, I tried every combination of generate and file name for about an hour before looking for the DFU again and finding it uploaded. The hex file gave me an error but the bin file, in every case
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Jerry
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#11398
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New file uploaded to [email protected]
Hello, This email message is a notification to let you know that the following files have been uploaded to the Files area of the [email protected] group. * /NanoVNA-H4 Menu Structure Map.pdf (
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[email protected] Notification <nanovna-users+notification@...>
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#11397
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New file uploaded to [email protected]
Hello, This email message is a notification to let you know that the following files have been uploaded to the Files area of the [email protected] group. *Uploaded By:* andybuyze@...
By
[email protected] Notification <nanovna-users+notification@...>
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#11396
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Re: Anyone had news from Maggie King?
I did not pay extra for shipping. I had that option but decided "slow boat" is fine as I have a NanoVNA small screen all ready. The option "Maggie" offered was DHL for +$10 but that was to the USA. I
By
Larry Macionski
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#11395
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Re: 1/4 wavelength coaxial trap for 440 MHz Ham Band
Test it as it will be used. Connect a "T" to the stub. connect Port 0 or 1 depending on which NanoVNA is being used to one side of the T. connect port 1 or 2 depending upon which NanoVNA. In other
By
Clyde Spencer
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#11394
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Re: File updated in [email protected]
/Presentations/20191220_ON7DQ_NanoVNA_Presentation_English_V2.01.pdf Uploaded By: Luc ON7DQ <on7dq@...> Description: NanoVNA presentation by ON7DQ for the Ostend Radio Club, in ENGLISH. V2.01
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David J Taylor
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#11393
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Re: File updated in [email protected]
Luc, Great update to your presentation! Thanks ...Larry
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Larry Rothman
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#11392
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File updated in [email protected]
Hello, This email message is a notification to let you know that the following files have been updated in the Files area of the [email protected] group. *
By
[email protected] Notification <nanovna-users+notification@...>
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#11391
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