Speeding up quasi peak weighting EMI tests
K.-O. Muller
Abstract
K.-O. Muller
Abstract
The objective of electromagnetic interference (EMI) measurements is to determine if the emitted electromagnetic energy is low enough to fulfil the desired electromagnetic compatibility. Standards for EMI define maximum limits for the emission of interfering radio frequency (RFI) energy. The purpose of EMI measurements is, in most cases, to find out, whether or not the equipment under test (EUT) meets the limits. Two different principles to reduce time consumption of quasi-peak (QP) EMI measurements are explained. The two may be combined to minimize the test time.>
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The objective of electromagnetic interference (EMI) measurements is to determine if the emitted electromagnetic energy is low enough to fulfil the desired electromagnetic compatibility. Standards for EMI define maximum limits for the emission of interfering radio frequency (RFI) energy. The purpose of EMI measurements is, in most cases, to find out, whether or not the equipment under test (EUT) meets the limits. Two different principles to reduce time consumption of quasi-peak (QP) EMI measurements are explained. The two may be combined to minimize the test time.>
Key concepts: EMI, Electromagnetic interference, Electromagnetic compatibility, Weighting, Energy consumption, Radio frequency, Conducted electromagnetic interference, Interference (communication)