Re: Firmware update advice, last done in late 2019
LOL thanks I had completely forgotten that! Been too long since I frequented the forum.
By
Bruce KX4AZ
·
#21321
·
|
Re: Firmware update advice, last done in late 2019
nanovna-H is the "original" Nano
By
Dragan Milivojevic
·
#21320
·
|
Re: Firmware update advice, last done in late 2019
The only Dislord firmware folder I see in the file section is for nanovna-H & H4. Are those usable with the orginal nanoVNA?
By
Bruce KX4AZ
·
#21319
·
|
Re: Firmware update advice, last done in late 2019
Dislord firmware, browse the file section.
By
Dragan Milivojevic
·
#21318
·
|
Firmware update advice, last done in late 2019
I bought a couple of the original nanoVNA devices in the fall of 2019. Shortly thereafter, I upgraded the firmware for one of them to a newer version that came out with a higher frequency limit (1500
By
Bruce KX4AZ
·
#21317
·
|
Re: What USB cable?
#usb
#nanovna-h4
My understanding is that the OTG cables have a resistor connected between pins 4 (ID) and 5 (GND); IIRC 0Ohms enables the OTG host function and 124kOhms enables OTG host plus charging capability. 73,
By
Donald S Brant Jr
·
#21315
·
|
Re: nanovna saver
How 'bout here: https://github.com/OneOfEleven/NanoVNA-H/tree/master/Release
By
Geoff Peters - AB6BT
·
#21314
·
|
Re: nanovna saver
I am looking now answer soon I hope
By
William Heller
·
#21313
·
|
Re: nanovna saver
How do I find the OneOfEleven app? I have the 3.8 Saver on a PC and it runs, and it sees my Gecko plugged in, but it won't connect. Hmmm? Bear W5VZB
By
Bear Albrecht
·
#21312
·
|
Re: What USB cable?
#usb
#nanovna-h4
OK, here we go again. From a USB 1 to a USB C 3.2 implementations, USB connectors and protocols have always been a mystery. It is good, or maybe not, for marketing because one never knows what they
By
NC4BR
·
#21311
·
|
Re: Measuring impedance of line isolator/choke
John, I would very much like to answer, but I don't get a clear picture of what sort of device you have, and what exactly you want to measure. Apparently the other contributors on this forum share my
By
Manfred Mornhinweg
·
#21310
·
|
Re: Performance variations with different FW on NanoVNA-H v3.4
I did check with/without USB connected at some time previously and the difference was small. I re-checked now on 1.0.45 and to me it looks not much different than I may get between two separate
By
sunkan@...
·
#21309
·
|
Re: nano h4
ya sorry it was the usb cable workin for about 5mins tried another cable and its worked ever since barry
By
Barry Fisher <barry.n8dad@...>
·
#21308
·
|
Re: nano h4
Barry, Do you hear the Windows sound when you plug the NanoVNA into the computer? Do you see it listed in the Device Manager in Windows under Ports when it is plugged in? Have you tried a different
By
Roger Need
·
#21307
·
|
nano h4
just got this and worked with pc for about 5mins now pc don't recognize the Nano, i have tried this on 3 pc's same thing. what do i do to fix this barry
By
Barry Fisher <barry.n8dad@...>
·
#21306
·
|
Re: What USB cable?
#usb
#nanovna-h4
USB C to USB C cables were infact referred to as OTG On The Go cables. They are now the industry standard and used by over 700 devices. USB C is a 24 pin (12 mirrored) configuration capable of 60Gbps
By
Tom N8ZI <kd8avf@...>
·
#21305
·
|
Re: What USB cable?
#usb
#nanovna-h4
Sorry but you're wrong, OTG Cables can be micro, mini or C. It has nothing to do with the size of the connector, the data lines are reversed on a OTG cable. Roy WA0YMH [email protected]> wrote:
By
Roy Appleton
·
#21304
·
|
Re: What USB cable?
#usb
#nanovna-h4
Sorry Brian, but that is incorrect. OTG refers to a mode of operation for any of the USB type of interfaces from Mini - Micro and C used on mostly mobile devices (phones/tabs/etc). Essentially, any of
By
Larry Rothman
·
#21303
·
|
Re: What USB cable?
#usb
#nanovna-h4
USB-C is also known as "OTG", for On the Go. It fits smartphones, portable charging batteries, and some (most?) other newer portable devices. This is the cable to use if you install the NanoVNA
By
Brian G. <kc7dax@...>
·
#21302
·
|
Re: Measuring impedance of line isolator/choke
https://youtu.be/kMlKfHHR8FY 22:34 For common mode current choke (1:1 balun) use 25 Ohm resistors at the input and at the output. Reduce resulting isolation by 2dB.
By
Andrey Denisyuk
·
#21301
·
|