Difference between spectrum analyzer and signal analyzer

The spectrum analyzer is the instrument to study the signal spectrum structure, for the measurement of signal distortion, modulation, spectral purity and frequency stability and the intermodulation distortion signal parameters, can be used to measure some parameters such as amplifier and filter circuit of the system. It is a multi-purpose electronic measuring instrument.

The main function of the spectrum analysis system is to display the frequency characteristics of the input signal in the frequency domain. There are two types of spectrum analyzer in signal processing mode, Real-Time Spectrum Analyzer and Sweep-Tuned Spectrum Analyzer.

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