WHAT IS THE DIFFERENCE BETWEEN AN OSCILLOSCOPE AND A SPECTRUM ANALYZER / SIGNAL ANALYZER? Refer to this Spectrum Analyzer and Signal Analyzer technical overview for more information. Signal analyzers measure both the magnitude and phase of an input signal at a single frequency. Spectrum analyzers measure the magnitude of an input signal versus signal frequency. WHAT IS THE DIFFERENCE BETWEEN A SIGNAL ANALYZER AND A SPECTRUM ANALYZER? A signal analyzer combines the superior dynamic range of a swept tuned spectrum analyzer with vector signal analyzer (VSA) capabilities and enables in-channel measurements like error vector magnitude (EVM) that requires both magnitude and phase information. WHAT DOES A SIGNAL ANALYZER DO?Ī signal analyzer measures both the magnitude and phase of an input signal at a single frequency. For more information, refer to this Spectrum Analysis Basics application note for more information. Spectrum analyzers enable tests like noise figure and signal-to-noise ratio (SNR) to characterize the performance of a device and its contribution to overall system performance. FREQUENTLY ASKED QUESTIONS - Signal Analyzers (Spectrum Analyzers) WHAT IS A SPECTRUM ANALYZER USED FOR?Ī spectrum analyzer measures the magnitude of an input signal versus its frequency over the full frequency range of the instrument to determine the power of signals.
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