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Webcast Q&A: How do you know when your RBW is small enough?
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on Mar 27, 2013
on Mar 27, 2013 by tabbott
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Questions and Answers to *Signal Analyzer Fundamentals and New Applications Webcast* on 13 March 2013
*Question:* How do you know when your RBW is small enough?
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Mar 27, 2013 3:08 PM
*Answer:* Normally you would set the RBW narrow enough to have enough sensitivity to reliably measure your signal of interest or narrow enough to resolve between signals of interest. A rule of thumb is to have your signal be greater than or equal to 10 dB above the noise floor. Therefore, it is advantageous to have an analyzer with lower displayed average noise floor to allow you to use a wider RBW and to sweep faster when measuring low level signals.
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