A Method of Expanding Operating Frequency Band in a Reverberating TEM Cell by Using a Wire Septum

Hye-Kwang KIM  Jung-Hoon KIM  Eugene RHEE  Sung-Il YANG  

IEICE TRANSACTIONS on Communications   Vol.E93-B   No.11   pp.3066-3071
Publication Date: 2010/11/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E93.B.3066
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electromagnetic Compatibility(EMC)
Reverberating TEM Cell (RTC),  electromagnetic compatibility,  operating frequency band,  field uniformity,  wire septum,  

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This paper presents a method of expanding the operating frequency band of a Reverberating TEM Cell (RTC) for electromagnetic compatibility (EMC) testing. To expand the operating frequency band of an RTC, this paper places a wire septum inside the cell instead of a solid septum. The maximum usable frequency (MUF) for TEM cell operation and the lowest usable frequency (LUF) for reverberating chamber operation with the wire septum are studied and compared with a conventional solid septum. The E field strengths inside the RTC are measured and evaluated. The measurement results show that the RTC with the wire septum have similar MUF to the RTC with a solid septum at TEM mode, but have much lower LUF at a reverberating mode, which proves that the operating frequency band of the RTC can be expanded by using the wire septum.