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FAQ: Is 0.4 EVM for 160 MHz 802.11ac best test result or average?

Question asked by tabbott

on Dec 18, 2012
Latest reply on Dec 18, 2012 by tabbott

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*X-Series EXG and MXG FAQ’s*

Question: Is the performance of 0.4% EVM for 160 MHz 802.11ac best test result or average performance for N5182B MXG or N5172B EXG X-Series signal generators?

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tabbott Dec 18, 2012 3:31 PM
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Answer: 0.4% EVM is characteristic data of a small sample of N5182B MXG signal generators using the PXA and VSA 89601B. Depending on the 802.11ac VSA demodulation setup with equalizer training over the preamble only, or over the preamble, pilots & data your EVM results could range between ~ 0.5% and 0.3%. Be sure your MXG is the has the latest Enhanced factory channel corrections calibration.
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FAQ: Is 0.4 EVM for 160 MHz 802.11ac best test result or average?

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