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Measurement of electromagnetic interference has been performed in the past by EMI receivers operating in frequency domain. For the measurement of discontinuous disturbance for IT and Household appliances EMI receivers are used to tune to a specific frequency. The output of the Intermediate Frequency is connected to a disturbance analyzer. The measurement is repeated at four frequencies. Due to the...
Measurements of electromagnetic interference in time-domain allow to reduce the scan time by several orders of magnitude, in comparison to automated scans performed by the tuned selective voltmeters, which are known as EMI receivers. Spectrum analyzer are used for frequency selective measurements of signals. Such analyzers can perform fast sweeps or scans over large bands. A drawback of spectrum analyzers...
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