NanoVNA V2 / Forum

Note: this page is a mirror of https://groups.io/g/NanoVNAV2.
Click here to join and see most recent posts.

Too much noise in nanovna V2


faheem wani 2021/09/06 16:17

sir please help me my nanovna V2 have too much noise what happen to it. Sir
please tell he how can i fix it

Vladimir Lebedev 2021/09/06 07:10

Hello!

Have You last FW updated?

Vladimir

faheem wani 2021/09/06 07:37

i have nanovna-QT pc software I don't update fw. please send me FE update link

Roger Need 2021/09/06 08:02

On Mon, Sep 6, 2021 at 04:35 AM, faheem wani wrote:

>
> sir please help me my nanovna V2 have too much noise what happen to it.
> Sir please tell he how can i fix it
>

You have not calibrated properly.  You can tell by the left hand side of the screen it only has CD.

Carefully follow calibration instructions.

Roger

faheem wani 2021/09/06 09:47

sir i have calibrated properly and my USB cable also work properly but there is no effect on nanovna v2. sir please tell me how i fix this noise

mce66 2021/09/06 09:59

Hello,

I think I see a LOGMAG scale of 0dB per division. Maybe just a scale configuration?

Raj vu2zap 2021/09/07 10:38

Faheem, Change the shorting/load sma!

Raj, vu2zap

At 06/09/2021, you wrote:

To reply to this topic, join https://groups.io/g/NanoVNAV2

View this thread on groups.io