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Problem with MWO
When I tried to open the existing file,it pops up an error message:all the schematics are "unknown" and the error code is 426"However,it can open all the other files without any problem.Does any friend meet this problem before?Thanks!
RF power amplifier
There are so many class types for RF PA.Some of them are linear such as A,AB;some of them are like switch type,such as E.How to choose the class type for power amplifier?Does it depend on modulations or something else?Say,for BPSK,lienarity is easy to achieve,so we can use...
I have two modes in this PA: high power mode and low power mode.
This disymetry on the ACPR only happened in 10dB range(from 6 to 16dBm) on low power mode.
Thanks!
gtc3 wcdma
When I measure the WCDMA PA,I found the ACPR is not symmetric on the lower and higher side.The difference is about 6dB.Does anybody know how to make them even and better?Thanks a lot in advance!!!
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