Are my Circuits ILLEGAL to use?! (EMC Testing)

Do you want to know more about the Würth Elektronik EMC components? Then click here: https://www.we-online.com/GS-EMC-components
EMC Service Page: https://www.we-online.com/GS-EMC-service
Blog Post about EMC Guidelines: https://www.we-online.com/en/news-center/blog?d=what-is-emc-guidelines
Blog Post about "What is EMC": https://www.we-online.com/en/news-center/blog?d=what-is-emc
Würth Elektronik News: https://www.we-online.com/en/news-center/blog?d=ce-overviews

Previous video: https://youtu.be/BcUzuwP-WPI
Tiny Power Converter video: https://youtu.be/XAcW4c5qIMc

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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/tps63020.pdf?ts=1695516437053
https://slpower.com/data/docs/Application_Notes/AN_EMI_Standards.pdf
https://www.youtube.com/playlist?list=PLZJdRX1BvL0xaO2MeViGfcVxIG2Dkl1a2
https://redexpert.we-online.com/we-redexpert/en/#/home

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