What is Analysis Bandwidth?

What is analysis bandwidth in spectrum analyzers?

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Jul 6, 2019

The Analysis Bandwidth (ABW) is the instantaneous bandwidth of a spectrum analyzer that allows it to simultaneously record all frequency components within that bandwidth. On the other hand, the swept spectrum mode is used to capture frequency components in sequence over time. 

It is defined by the maximum sample rate of the analog-to-digital converter (ADC) used by the spectrum analyzer. Modern spectrum analyzers have a wide range of ADC, and analysis bandwidths can range from 20 MHz to 2GHz and up.


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