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DPR2005 (Harman Kardon)
EMC Test Report
Reference No.: NK2EE 267.EMS
8. Immunity to ambient electromagnetic fields (S3)
8.1 Test criteria and test procedure
Operating environment;
Temperature
20 ℃
Relative Humidity
40 %
The EUT was placed on a non-metallic support,0.1m above the lower conductor in the center
of the stripline.
The wanted signal was fed to all input terminals respectively. The unwanted signal is fed to
a matching network of the strip line.
The criterion concerning acceptable sound interference is a wanted to unwanted audio signal
ratio of ≥40 dB at a wanted signal level of 50 mW.
The audio output power was measured with a 0.5 - 3 kHz band-pass filter.
The ground connection of the mains filter (M) was directly connected to the jacky.
The audio analyzer was applied without a weighting filter.
The measurements were performed with test software TS9980 Ver.2.9.
8.2 Measurement uncertainty
Radiated fields : +/- 2dB
8.3 Test result immunity to conducted voltage.
The equipment does comply with the requirements.
For the measurement data, see Annex D
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