Asymmetric versus Symmetric TEM Cells for EMI Measurements

This paper d i s c u s s e s th e o p t io n o f d e s ig n in g a tr a n s v e r s e e le c tr o m a g n e t ic (TEM) tr a n sm is s io n c e l l w ith an o f f s e t septum a s a m u lt ip u rp o se chamber fo r perform ing e le c tr o m a g n e t ic in t e r f e r e n c e (EMI) measure­ m ents. The d e s ig n and e l e c t r i c a l performance charac ­ t e r i s t i c s o f such a c e l l are g iv e n and compared w ith a s im i la r s i z e d symmetric c e l l .