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Webcast Q&A: Could you explain the concept of MSamples...

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on Mar 27, 2013
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Questions and Answers to *Signal Analyzer Fundamentals and New Applications Webcast* on 13 March 2013

*Question:* Could you explain the concept of MSamples/s and how it's related to the resolution and the maximum frequency to be analyzed?

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tabbott Mar 27, 2013 3:24 PM
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*Answer:* In the X-Series IQ Analyzer (Basic) mode with the DP2, B40, B1X, or B1Y digitizer, the relationship between sample rate and analysis bandwidth is: sample rate = 2.5 * bandwidth. Each sample includes an I and Q component, so the complex (I+jQ) sample rate = 1.25 * bandwidth. This same relationship holds for the PSA Series option 122/140 wideband digitizer. Using the widest PXA digitizer bandwidth of 160 MHz would imply the sample rate is 400 MSamples / s, which would correspond to a complex I+jQ sample rate of 200 MSamples/s.
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