Characterization of uncertainties in RF adapters for EMC measurements
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This paper focuses on the uncertainties of RF adapters occur during EMC measurements, which are often not taken into consideration by some of the testing laboratories. The performances of various RF adapters were evaluated experimentally with a frequency range from 100 kHz to 8.5 GHz. The results showed that although the uncertainties contributed by the RF adapters are negligible at the above mentioned frequency range, some defect RF adapters may have a higher insertion loss which will significantly affect the overall measurement uncertainties if not treated properly.
[1] Tze-Chuen Toh. Electromagnetic Interference Laboratory Correlation Study and Margin Determination , 2009, IEEE Transactions on Electromagnetic Compatibility.