Meeting Topic: Transformers, Ground Loops, and Isolators - Presentation
Moderator Name: N.J. McDonnell
Speaker Name: Bill Whitlock or Jensen Transformers
Meeting Location: Rogers Arena Vancouver, British Columbia, Canada
The presentation topics included: an explanation of electro-magnetics, what transformers do and how they work, ground loops, problems with AC power, the "plug-and-play" myth, unbalanced vs balanced Interfaces, safety issues and how isolators solve the fundamental problem
About the presenter: Bill Whitlock, president and chief engineer of Jensen Transformers since 1989, has designed professional analogue audio/video electronics for 40 years. He's helped tens of thousands understand grounding and signal interfacing in real-world systems and debunk widespread myths. His writings include numerous AES papers, magazine articles, Jensen application notes, and chapters for Ballou's "Handbook for Sound Engineers" and Self's "Audio Engineering Explained." He's lectured at MIT and many other universities. He's a CEDIA certified instructor and adjunct faculty for InfoComm, where his trade-show seminars are very popular. NSCA students voted him technical instructor of the year in 2009 and 2010. He holds several patents and is an AES Life Fellow and IEEE Life Senior.
Written By: Robert Janzen