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Decibel scale examples rf4/14/2024 Tune the spectrum analyzer to the frequency of interest.Īdjust the span and center frequency to display the signal you want to inspect. Set the resolution bandwidth (RBW) and video bandwidth (VBW) to achieve the desired frequency resolution and measurement speed.Ĭhoose the appropriate detector type (e.g., peak, average, or sample) based on the characteristics of the signal. Select the appropriate measurement mode and units (e.g., dBm, mW, or μW). Set the spectrum analyzer's attenuation, reference level, and frequency range according to the signal's expected power level and frequency. Turn on the spectrum analyzer and let it warm up for a few minutes.Ĭonnect the input cable to the input signal port of the spectrum analyzer. Preparing the Spectrum Analyzer for the Measurement Here's a step-by-step guide on how to measure RF power using a spectrum analyzer. It's not as difficult as you might think to measure Rf power. It then measures the strength or amplitude of the signal, which is the basis of RF power measurements. To measure this power level, we use a spectrum analyzer.Ī spectrum analyzer uses filters to separate signals based on their properties.
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