Uploaded July 2022 | Updated September 2026, 1 week ago

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Step by step explaining, debugging and fixing EMC immunity issue. Thank you very much Min Zhang

Links:
- Min's Company: mach1design.co.uk
- PDF presentation from this video: mach1design.co.uk/a-radiated-immunity-case-study
- Min's EMC Online course: https://mach1design-shop.fedevel.education/

Chapters:
00:00 What is this video about
00:54 The EMC immunity problem explained
04:00 EMC Immunity test
08:38 EMC Conducted & Radiated immunity tests
11:47 EFT and ESD tests
13:51 EMC immunity test setup
23:40 Testing and finding where the problem is
32:00 Analyzing the problems
45:12 Proving the problem - measuring at the critical places
1:02:44 FIX Attempt 1 - Add more decoupling capacitors
1:08:01 FIX Attempt 2 - Creating additional connection to GND
1:09:57 FIX Attempt 3 - RC bonding
1:14:01 FIX Attempt 4 - Shielding
1:19:15 FIX Attempt 5 - Absorber sheet
1:23:02 The FIX - Ferrite plates

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