Development of Radiated RF Immunity/Susceptibility Test Method Using Rotating FM-EM Field and Its Applications

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To obtain a detailed radiated RF immunity/susceptibility characteristic of electronic equipment, a new test method using a frequency modulated rotating electromagnetic field (rotating FM-EM field) as an incident EM field was proposed. The principle and the generation method of the rotating FM-EM field were examined, and the basic characteristics were experimentally clarified. Moreover, the susceptibility measurement of electronic equipment was conducted by using the rotating FM-EM field, and the effectiveness of the proposed method was verified.