The SIGLENT SVA1015X spectrum analyzer is a very powerful and flexible tool for various measurements within the frequency range from 9 kHz to 1.5 GHz. Great basic specifications are the base for all included and available functions and features. The very low DANL (displayed average noise level) of -156dBm and the wide range of RBW filters (1Hz – 1MHz) enable the user see very small and narrow signals. The tracking generator is included as standard and enable the user to do scalar insertion loss measurements on cables, filters and other components. So far, everything, which can be expected from a good basic spectrum analyzer is in place. But there is much more possible with the SVA1015X.
One, in the meantime, very common requirement is the ability to conduct EMI debugging or pre-compliance measurements. Today’s high speed data designs, IoT-devices and Switched Mode Power supplies inherently own many sources for EMI issues. Hence, EMI pre-compliance measurements and debugging at all stages during the design are indispensable. Siglent offers an optional solution for the SVA1015X that can be purchased and installed at any time. This option extends the set of RBW filters with special EMI-Filters and also the Quasi-Peak detector. Adding a set of near field probes (SRF5030(T)) completes the entry level debugging set. In combination with a LISN it’s a great setup for conducted EMI pre-compliance measurements.
A much more specialized feature is the Vector Network Analysis. This option can also be added at any later time and enable the user to perform S11 and S21 measurements. The measurements can be displayed in various formats like X-Y (dB/phase-over-frequency), polar or Smith charts. Typical tasks for example group-delay measurements of filters or amplifier input/output stage or antenna matching can be solved easily. Honestly speaking the accuracy of the results should not be compared with a full, stand-alone VNA, but nevertheless the performance of this option is very solid.
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