No.5（2010）5.Evaluation method of measuring conducted emission by fast fourier transform

Yoshiaki Haramoto, Yoshinori Nishino, Takeshi Kobayashi

  The measurement of conducted emissions in the EMC regulation is to evaluate generated conduction noise from an electrical equipment. In the final measurement, it takes generally a lot of time due to use of a quasi peak detection receiver consisted of a charge and discharge circuit. In this article, it is reported that a faster measurement method for the conduction noise is realized by a real time spectrum analyzer and FFT digitizing process for the sampled data.

Keywords

conducted emissions, conduction noise, quasi peak detection, FFT

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