%>From: [email protected] %> %>I would really like to review the problems that caused you to separate %>grounds. This is NOT normal practice and I am intrigued. Properly %>implemented, connection between logic and chassis dramatically reduces EME %>and improves immunity. %> %>My recommendation: Connect the grounds - CAREFULLY!
I concur. My real-world experiences plus the theory involved plus what I have picked up from seminars all indicate that the return must be connected to the chassis. The only possible caveat is if you have a cabinet with a lot of holes in it. In that case, you will probably need to filter the RETURN before you connect it to the chassis. I have seen this done by running the signal and return together through a ferrite over a separated ground plane, but don't know enough about the technique to recommend it. Max [email protected]
