spur analysis for power amplifier

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kiyanmajd

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Hello all,

I have a question about spur in power amplifiers... what makes spur worse? and basically, whats the reason for having spurs in power amplifiers?
Does anybody know something about spur analysis in ADS?

Any help is kindly appreciated!
kaveh kiyanmjd
 

PAs don't have spurs standalone, spurs come from different sources such as PLLs,clock feedthroughs,substrate noises etc.
Power Amplifiers have Intermodulation Distortion Components that come from the Nonlinearity of the PA.
Spur and Nonlinear Distortion Products shouldn't be confused..
 

Thanks a lot for your answer, and I draw your attention to the following two PDFs:
**broken link removed**
https://www.milmega.co.uk/downloads/UnderstandingAmpspecs80.pdf
the first PDf contains the SPECIFICATIONS of the PA is owned by R&K company. note that spur have also been reported. ...
Does this not mean that the PA's Spur?
The next PDF is discussed in relation to the Spur in the power amplifier, but I did not notice anything out of it.
 

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