Understanding Error Vector Magnitude (EVM)

[@furkanatalay2583]

Great explaining. The most understanding video than other videos which shared by Rohde Schwarz.

[@pauldenisowski]

Thank you!

[@yangwang5188]

简明扼要讲述了evm，对于小白能快速理解。

[@pauldenisowski]

谢谢你!

[@malleshgh]

What is the equation for EVM calculation as a percentage in 5g or lte

[@theoryandapplication7197]

thank you

[@JakeTheN3rd]

great videos!
I would love the see a video about the decibel scale related to radio and power, etc.
Thansk!

[@pauldenisowski]

Thanks! We actually have a whitepaper on decibels: scdn.rohde-schwarz.com/ur/pws/dl_downloads/dl_application/application_notes/1ma98/1MA98_13e_dB_or_not_dB.pdf
I'll add "Understanding Decibels" to the list of future video content - thanks for the suggestion!

[@yaoyucao9601]

I have a question, like in a PA data sheet, they don’t mention if it refers to Max or RMS normalization, which one did they use?

[@pauldenisowski]

I would ask :)

[@jackychang7665]

Great videos!Thanks!
And how to decide ideal vector endpoint @ 5:34?

[@pauldenisowski]

Thanks! That's a good question. The receiver must know things like the modulation type, modulation order, symbol rate, filter type, etc. From this information, it can determine what the ideal constellation is and where each ideal vector endpoint should be. This information can either be "manually" entered / configured by the user, or in some cases it can be signaled to the user via some separate channel (e.g. in cellular systems). Hope that helps!

[@ruben216]

useful

[@j.fkamaldeen]

Thanks 👍👍👍

[@pauldenisowski]

Thanks - appreciate the support!

[@farisfizri3630]

Great introduction

[@pauldenisowski]

Thanks!

[@chunshengzhang2417]

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