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Noise vs phase noise relation
Are normal noise and phase noise same?
• What is the equation that tells about the relation
You can see that phase noise spectrum and
votlage spectrum are same withonly difference
being in the spike in voltage spectrum
The equation on the left is the fundamental equation
Both are same except that sout(f) has power in it and phase noise
doesn’t have this as highlighted in the box
This cleared a big confusion in my head
This is next level … Razavi is great
and
same
Why cannot we noise spectrum analyzer for
phase?
https://www.electronicdesign.com/technologies/test-measurement/article/21268413/rohde-schwarz-
understanding-phase-noise-measurement-techniques
Normalization & shape correction are issues
There is more info in the article I pointed to

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Noise vs phase noise relation.pptx

  • 1. Noise vs phase noise relation
  • 2. Are normal noise and phase noise same? • What is the equation that tells about the relation
  • 3. You can see that phase noise spectrum and votlage spectrum are same withonly difference being in the spike in voltage spectrum The equation on the left is the fundamental equation
  • 4. Both are same except that sout(f) has power in it and phase noise doesn’t have this as highlighted in the box This cleared a big confusion in my head This is next level … Razavi is great and same
  • 5. Why cannot we noise spectrum analyzer for phase? https://www.electronicdesign.com/technologies/test-measurement/article/21268413/rohde-schwarz- understanding-phase-noise-measurement-techniques
  • 6. Normalization & shape correction are issues There is more info in the article I pointed to