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Hi All: I am selling my recently acquired NanoVNA , this a hugen version from aliexpress, includes the necessary calibration items also I am including a ST-link V2 programmer. $55.00 includes shipping

Hi All, Owen Duffy has recently posted a note about the Nano VNA on his blog. https://owenduffy.net/blog/?p=15747 He makes a few points about the accuracy of calculated values with both the Nano VNA

The block diagram is missing the measurement of the reference signal? Op 4-10-2019 om 12:31 schreef hwalker:

In your web space I see many files, I need only DMR-CLEAR_MEMORY_DFU.dfu and an executable program, is it correct? Should I find the program.exe? ..Again: Reasons you might want to upgrade: 1. TDR

Hello group, some remarks: take a look at Raspberry Pi 3.5" lcds with 480x320 resolution, or bare with ILI9486/ILI9488 controller (a lot of them can be found on chinese shops) please consider the

Rob, Please understand that "DMR-CLEAR_MEMORY_DFU.dfu" will wipe your device and it will not work until you re-load whatever firmware you are upgrading to. It is used to give you a clean slate prior

I am wondering if the nanoVNA could be used to measure the noise figure for a preamp. If it could, I am assuming it would use S21 results in some manner.

Herb, thanks for V2 logical schematics. I'm following the V2 topic with a lot of interest. Diego

Pluto, That looks like the design currently being sold. V2 will use two synthesizers that overlap and allow it to exceed a 1 GHz measurement range (see attachment). Herb

So it's not important to clear the memory? How to use? For other questions, what can you tell me?

Herb, there appears to be both a "NanoVNA-H V2" and a (completely unrelated) "NanoVNA 2" project. The latter project hasn't been very responsive to questions about who they are, and just seem to have

Or three... Fit a RCA/0.1" pins/BNC/SO239/SMA (depends what freq range and what is to hand) to either side of a pcb and the DUT (Device Under Test) in between. Even less than $6 probably assuming you

Thanks hwalker !! So the Hugen hardware schematics (https://github.com/hugen79/NanoVNA-H/blob/master/doc/Schematic_nanovna_3.3.1.png) *should* be that of the cards currently on the market? Diego

/g/nanovna-users/message/3929

Where is it?

Rob, Your question was answered in the other topic where you asked it. Duplicating questions in different topics is bad etiquette. Herb

Pluto, Hugen retailed the first NanoVNA based on edy555's open source design. It is the hardware version that is currently being marketed by all NanoNA clone manufacturers. In response to a request

I would like to update my NanoVNA 2.8"TFT with the Gecko-logo, color whide. 1) Where I find the flash-program? 2) Which files should I use for to clean (Only DMR-CLEAR_MEMORY_DFU.dfu?)? 3) Which

Rob, The DMR-CLEAR_MEMORY_DFU.dfu writes "FF" to each memory location and is only used to clear memory prior to loading a new firmware. Larry has been kind enough to put all the current and past

Hello everyone ! Is there anyone who can clarify the hardware versions? To my knowledge, the first version is that of ttrftech (edy555) https://github.com/ttrftech/NanoVNA/tree/master/doc.