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Large signal S-parameters analysis (Read 120 times)
vivarf
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Large signal S-parameters analysis
Sep 03rd, 2007, 6:57pm  
In designing small-signal amplifier as LNA, S-parameters analysis is used to investigate input/output matching, gain... My question is: in designing large-signal amplifier as Driver Amp (DA), Power Amp (PA), can we still using S-parameters analysis as for small-signal ? If not, what analysis is used in order to investigate all the parameters as S-parameters analysis does ? Thank you.
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vivarf
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Re: Large signal S-parameters analysis
Reply #1 - Sep 3rd, 2007, 9:45pm  
Sorry I did make myself clear, It should be:

In designing small-signal amplifier as LNA, S-Parameters Analysis in SpectreRF is used to investigate input/output matching, gain... My question is: in designing large-signal amplifier as Driver Amp (DA), Power Amp (PA), can we still using that S-Parameters Analysis as for small-signal to investigate input/output matching, gain... ? If not, what analysis should be used  ? Thank you.
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sheldon
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Re: Large signal S-parameters analysis
Reply #2 - Sep 6th, 2007, 5:36am  
Vivarf,

  There has been some discussion on this topic in previous threads,
please see

http://www.designers-guide.org/Forum/YaBB.pl?num=1031864062

                                                                     Best Regards,

                                                                        Sheldon
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