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A novel automatic digital quasi-peak detector for a time domain measurement system

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3 Author(s)
Braun, S. ; Lehrstuhl fur Hochfrequenztechnik, Technische Univ. Munchen, Germany ; Krug, Florian ; Russer, P.

An advanced ultra-fast broadband time domain EMI (TDEMI) measurement system is presented. Measurements were performed in the 30-1000 MHz range. Using digital signal processing for spectral estimation and detection, the measurement time is reduced by a factor of 10 in comparison to a conventional EMI receiver. A novel recording routine for TDEMI measurement and digital signal processing for proper quasi-peak detection is described. Different amplitude resolutions are selected during the recording to enhance the dynamic range by about 50 dB. Measurement results are compared with the results obtained with a conventional EMI receiver.

Published in:

Electromagnetic Compatibility, 2004. EMC 2004. 2004 InternationalSymposium on  (Volume:3 )

Date of Conference:

9-13 Aug. 2004