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Obviously the attachments did not load up for some reason. So I give it a new try... 73 Clemens DL4RAJ

Ho George, I cannot speak for the EU1KY but the AIM 4170 is definitely no IV analyzer. Look at the circuit diagram on the W5BIG homepage. (P.S. I own one myself.) For more info on the IV method I've

John, Have a look at what I did to my device: /g/nanovna-users/files/Hardware%20Mods/NanoVNA%20Jog%20Switch%20Modification.pdf To remove the rocker, start with the two tabs at the

Overkill works for me: http://ormpoa.altervista.org/nanoDFU.htm

John, You'll have to search through the board, but a couple of posts have provided replacement sources for the multi-purpose switch. In the Wiki section there is a mod

Thanks for all the replies. I've connected the NanoVNA to my PC (Windows 7) and it's working OK. I've even had a quick scan through the manual... I don't have a can of compressed air. I could flush

From: Bruce KX4AZ I am trying to jumper the boot to Vdd with a wire with alligator clip on each end. So it's still booting normally with regular screen, so wondering if there are any special tricks

PuTTY https://putty.org/ https://store.chipkin.com/articles/using-putty-for-serial-com-connections-hyperterminal-replacement/

I am trying to jumper the boot to Vdd with a wire with alligator clip on each end. So it's still booting normally with regular screen, so wondering if there are any special tricks to getting the

As a newcomer to much of this I have a simple question that gives away my inexperience... How does one enter console commands in a Windows 10 environment...use a terminal program to connect via a USB

Thank you Rudi. I've archived your post for future reference. Many thanks. 73 de Andy

Hello, From the calibration and measurement results of full one-port measurements of the reflection coefficient of a constructed experimental one-port black box, we concluded by trial-and-error

Hi John, Please remember that you can use this device via the touchscreen. However, make sure to calibrate and save the touchscreen parameters. I created a wiki entry on how to do that if your device

If you have access to a can of compressed air, it may be worthwhile to try blowing the switch out a bit and then carefully examine the rear portion where it contacts the silver metal backing. I found

Hi I tried what you said and it did not work. I get an error "Target 00 /error code: Bad state machine infirmware." I have ordered an STL-Link 2 from your advice. Thanks for your

Hello Bruce, Thank you for the reply. I can manually return the switch to the centre position but the spring return no longer works except from the left position. The movement of the switch feels

When you say it does not return by itself, does that mean you can still manually "persuade" it to return by pulling it back from the stuck position? If it is permanently stuck, have you tried using

Hi All, My NanoVNA arrived two days ago and appeared to work OK. After only a few minutes the up/down/select switch failed. Now it won't return by itself from the "in" or "right" positions. Anyone

i'm on windows, so have different tools (DfuFileMgr.exe), for you "dfu-tool set-product somefirmware.dfu df11" should work Hello tinhead, Thank you for the hint. I found the following web

I tried to use 1500 MHz version, but it seems that it has worse S21 measurement, I'm not sure, may be this is just a bad calibration, but original firmware works better. So I flashed original one. I