I help resolve EMC Compliance Issues for Electronic Products.
If you arrived at this site looking for help with a electronic product that has failed radiated or susceptibility EMC tests, the fastest way to get a product to pass EMC tests, is to hire one of the many EMC Consultants, whether it be me or one of the others. In recent years I have resolved most EMC issues in hours with some in minutes. I likely can resolve your issues without traveling to you location and without your sending me a product to diagnose. All I need is your documentation to review. That will save you time and money. References are available.
Do you want to try to resolve it yourself check out my page “EMC Failure – What Now?”,
The Ugly Story
90% of all products fail on their first trip to both the EMC lab and the product safety testing labs. This means most products do not get to the market as fast as they should and you are not alone in having a failure.
Part way through susceptibility testing of my first product to go through the testing, the technician stopped the testing. He then started checking his equipment for a malfunction and seemed distressed. I ask what the issue was and he said that there had to be a equipment failure. When I asked why, he said all products tested to date had failed by that point, so there had to be a issue with the test equipment. I had three products with me that trip and all three passed with no changes.
After a while I realized that the bulk of the products I was responsible for passed on the first trip to the EMC and Safety labs, where most other companies were not. After a lot of asking around I found out it was worse than I expected. The products I was involved with from day one, passed Class B with no changes and more than 10 dB of margin on the first trip to the lab. On a couple products the labs reported that they could find any signals out of the product and that they reported the noise floor of the spectrum analyzer instead. A number of the products were in plastic unshielded enclosures. After thinking about why I was being successful, I realized that I did not really look at things the same way as others did during design reviews and that was why I was more successful.
Good starting resources for someone getting started with electronic product compliance issues are:
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