Pmax65

At this point I don't really know why I seen that sensible improvement after having removed R3. Anyways, I'm sure that I also seen some glitches during the sweep. Let...

No, I'm not sure that I seen it with V0.4.3 indeed, but I'm sure that I seen it with your V 0.4.2, and (if I'm not wrong) that function should...

Hi qrp73. yes you are right and I was wrong I didn't realized that when the LED2 is on, there is a PWM signal on it and having the horizontal...

hi hugen79, first off all, thank you for considering this issue, and for sharing your work on the nanoVNA-H board. Since I had 6 nanoVNA on the table (only one...

Hi hugen79, thank you for the explanation, I seen that in the datasheet it was there, but (at least in the English version) I didn't find any explanation for it....

I perfectly agree with qrp73 when he wrote: > According to my tests, this is not external interference. You can apply very clean external power (with no noise), but anyway...

> I tried to replace the XC6206 with an ultra-low noise LDO RT9193, and I found that the noise has dropped. I will make a PCB test. Nice one. If...

Hi hugen79, > Sorry, I made a mistake. Due to my wrong connection to the RT9193 pin, the actual output voltage of the LDO rises to 3.6V, and the performance...

Hi coralenka Fantastic plots, how do you get them so noise-free up to 1.5GHz? In the meantime, I just received the MOSFETs and checked the USB switcher and it works...

> I made no mod to my device yet Hi coralenka, interesting. Has your nanoVNA the battery installed? I ask because when attached to the USB port, I experienced a...