Learn to Fix EMC Problem Easily and in Your Lab - Troubleshooting Radiated Emissions

This course demonstrates a practical lab process for troubleshooting and fixing radiated-emissions problems in a flyback power supply. It uses pre-compliance measurements, a TEM cell, spectrum analysis, shielding, ferrites, and capacitor changes to locate and reduce the noise source.

Syllabus

What is this video about
EMC pre-compliance setup in your lab
The first steps to try after seeing EMC problems
Shorter cable and why it influences EMC results
Adding a ferrite on the cable
What causes radiation
Flyback Converter / SMPS Switching Mode Power Supply
Using TEM Cell for EMC troubleshooting
Benchmark test with TEM Cell
Improving input capacitors
Shielding transformer
Adding Y-capacitors, low voltage capacitors
Analyzing the power supply circuit
Finally finding and fixing the source of the EMC problem
THE BIG FIX
Adding shield again, adding capacitors
The results after the fix
FIXED!