How to correctly use spectrum analyzers for EMC pre-compliance tests

2021-12-28
●Spectrum analyzers with EMCpre-compliance testing capability have become very affordable in recent years.EMC pre-compliance testing capability is usually sold as “EMI-option” and offers CISPR filters and Quasi-Peak detectors in addition to the standard features of spectrum analyzers.
●Spectrum analyzers offer a wide range of parameter settings and need to beset up correctly in order to make measurements as close as possible to the requirements of EMC standards. EMC standard related requirements affect correct setting of RBW filter,video bandwidth, detector type, frequency span and sweep time. Radiation limits and transducer characteristics affect settings, which arenecessary to achieve a good compromise betweenhigh sensitivity and low distortion
●Measurement plots documented in this application note are created using a Siglent SSA3021X Plus, an entry level EMI-spectrum analyzer with excellent price performance ratio

SIGLENT

SSA3021X

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spectrum analyzersEMI-spectrum analyzer

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Application note & Design Guide

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