TY - GEN
T1 - A low-noise realtime time-domain EMI measurement system
AU - Braun, Stephan
AU - Frech, Arnd
AU - Russer, Peter
PY - 2007
Y1 - 2007
N2 - Time-domain EMI Measurement Systems allow to reduce the measurement time by several orders of magnitude. In this paper a realtime operating low-noise multiresolution time-domain EMI measurement system is presented. With a noise figure of about 7.5 dB and a high dynamic range emission measurements can be carried out close to the noise floor, while a high overload protection is available. A novel implementation of the 9 kHz IF-filter for the frequency 150 kHz to 1 GHz is presented. By this way the measurement time has been reduced by a factor of 8000 in comparison to conventional EMI Receivers. During emission measurements performed with a modelled IF-bandwidth of 9 kHz the noise floor is decreased to -19 dμV in the average detector mode.Measurements have been performed with the improved measurement system in the frequency range 30 MHz - 1 GHz.
AB - Time-domain EMI Measurement Systems allow to reduce the measurement time by several orders of magnitude. In this paper a realtime operating low-noise multiresolution time-domain EMI measurement system is presented. With a noise figure of about 7.5 dB and a high dynamic range emission measurements can be carried out close to the noise floor, while a high overload protection is available. A novel implementation of the 9 kHz IF-filter for the frequency 150 kHz to 1 GHz is presented. By this way the measurement time has been reduced by a factor of 8000 in comparison to conventional EMI Receivers. During emission measurements performed with a modelled IF-bandwidth of 9 kHz the noise floor is decreased to -19 dμV in the average detector mode.Measurements have been performed with the improved measurement system in the frequency range 30 MHz - 1 GHz.
UR - http://www.scopus.com/inward/record.url?scp=47149090767&partnerID=8YFLogxK
U2 - 10.1109/EMCZUR.2007.4388275
DO - 10.1109/EMCZUR.2007.4388275
M3 - Conference contribution
AN - SCOPUS:47149090767
SN - 9783952328606
T3 - Proceedings of the 18th International Zurich Symposium on Electromagnetic Compatibility, EMC
SP - 381
EP - 384
BT - Proceedings of the 18th International Zurich Symposium on Electromagnetic Compatibility, EMC
T2 - 18th International Zurich Symposium on Electromagnetic Compatibility, EMC
Y2 - 24 September 2007 through 28 September 2007
ER -