Are my Circuits ILLEGAL to use?!

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In this video we will be having a look at three buck/boost converter boards built around the same IC, the TPS6302. One of these boards you can get for cheap from Asia. The other two ones are DIY designs I made myself. And the main question for this video is whether they pass EMC guidelines which are super important when you want to sell your board. We will be testing conductive and radiated EMC. And at the end I will show you how you can fix EMC problems of such boards. Let's get started!

Websites that were shown/used during the video:
https://www.ti.com/lit/ds/symlink/tps...
https://slpower.com/data/docs/Applica...
   • #askLorandt explains  
https://redexpert.we-online.com/we-re...

Thanks to the Würth Elektronik for supporting this video.

0:00 EMC Problems?
1:32 Intro
1:54 EMC Measurements at Home?
2:56 Conductive EMC Tests
4:38 Conductive EMC Results
5:29 Radiated EMC Tests & Results
6:32 Legal to Sell?
7:02 Fixing EMC Problems
10:03 Verdict