Spectrum Analyzer for EMI filter design
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Hi , I am working on EMI filter design. I want to view the spectrum of EMI in dB Micro Volts but spectrum analyzer in simulink have Y-axis in DBm . Could i change Y-axis of spectrum analyzer from DBm to DBuV?
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Abdelmoumin ALLIOUA
on 13 May 2022
Hi,
include the conversion as a gain before the spectrum analyzer,
dBµV= dBm + 90 + 10*log(Z), so the gain value will be (db2mag(90 + 10*log(Z)))
you will then get the dBµV values in the y-axis, still though you need also to change the labeling.
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