Microwave Office questions

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alexandr22061986

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Hi all,

I'm investigating a predistortion method for improving PA linearity and have some questions:

How I can measure power spectral density for PA's output signal?

How I can realize nonlinear function?

How do measure a transfer function (Pout=f(Pin)) of PA?

Thank you.
 

Hello alexandr,

Here are the answers....
1. Add the
Frequency Domain Power: Pharm measurement on Rectangular Graph....

2. The Nonlinear Device models such as CURTICE, EEHEMT, TOM, etc you can find in Elemets -> Nonlinear ->FET
Also their are lot of Nonlinear Functional Models in Elemets -> Sources -> Dependent - Voltage or Current

3. Just Add Output equations...& get the measurement...

All the above is added to the attached MWO project file...Which shows a typical simple PA analysis using MWO...

Also a very good presentation material on PA using MWO avalable..download & use it...
www.rfpoweramp.com/papers/rfpa_mwo.pdf

---manju---
 
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