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Shown here are the results for radiated emission from 0.15 to 108 MHz after the use of noise counter measurements identified in the circuit diagram. The graph on the left is the result of using all the filters available, and the graphs on the right show the results of using only one of the filters. As seen, the low pass filter reduces noise at all frequencies while the common mode choke coil can significantly reduce noise above 10 MHz. By using both filters, it is possible to reduce noise greatly and to satisfy CISPR 25 Class 5.
PTM Published on: 2011-11-02
PTM Updated on: 2023-01-10
