DC2130A

DC2130A demonstration circuit for EMI testing purposes. This demonstration circuit when used with a spectrum analyser, makes conducted EMI measurement of DC/DC converters convenient over a wide range of frequencies and EMI levels – beyond the highest automotive conducted EMI test frequencies and below the EMI levels generated by power electronics with the latest chip and printed circuit board designs for low noise. Measurements above 108MHz, which is the high-end of the CISPR 25 conducted EMI frequency range, are beneficial to predict radiated measurement results from OATS or ALSE without the expense and effort associated with those testing methods. To provide its broad frequency and signal level coverage, DC2130A includes 2 completely separate LISNs, or ANs, that are divided by an unbroken score down the centre of the circuit board. The 2 LISNs can be separated at the score but care is required so the ceramic capacitors are not damaged by mechanical stress during separation.

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