![]() Of course, understanding how they work and how to make them more effective for any particular application is absolutely critical to using them to their fullest potential. The powerful measurement and analysis capabilities of these analyzers enable engineers to realize a rapid and complete understanding of their device or system under study. For simplicity, signal analysis and spectrum analysis are commonly called simply spectrum analysis. ![]() Historically, spectrum analyzers and vector signal analyzers have been separate instruments, but technology advances have made it possible to combine both capabilities into a single instrument. It is typically used to make in-channel measurements, such as error vector magnitude, code domain power, and spectral flatness, on known signals. By comparison, the vector signal analyzer measures the magnitude and phase of an input signal within the analyzer’s intermediate-frequency (IF) bandwidth. Its primary use is to measure the power of the spectrum of known and unknown signals. This tutorial covers the basics of how to make the best use of these instruments.Īmong the most popular and versatile of all measurement tools, the spectrum analyzer measures the magnitude of an input signal versus frequency. Spectrum analyzers and vector signal analyzers are two instruments commonly employed to analyze electrical signals. While it provides valuable insight into a signal’s properties, signal analysis is only as good as the instrument with which it is performed. The analysis of electrical signals, otherwise known as signal analysis, is a fundamental challenge for virtually all electronic design engineers and scientists.
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