didac
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manresa,spain
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Hi, I'm glad it helped a little bit. Just few ideas I could think right now: -if you have access to ADS it has an impedance matching wizard that could be helpful(other tools like Genesys have it also,Ansoft Designer or Microwave Office I'm pretty sure that they also have this tool but I don't have this programs installed at this moment). -check ieee for modified butterworth/chebyshev matching network-->they are based in the polynomial filters but with unequal load/source impedance. -a couple of references that I have at hand: *"Microwave Filters,Impedance-Matching Networks,And Coupling Structures",George L.Matthaei,Lee Young,E.M.T Jones, Artech House(I don't know the availability of this book I have a copy from 1980...), I found it a very good book on filters and matching networks, although a bit "hard" to read. I also remember founding in IEEE a paper from Matthaei that deals with the lumped ladder matching network but I cannot find it right now, I will search it. *"Broadband Microwave Amplifiers",Bal S.Virdee,Avtar S. Virdee, Ben Y.Banyamin,Artech House. The problem is that it deals basically with travelling wave amplifiers,multistage ones... *I remember than in "Microwave Engineering" from Pozar reviews the concept of broadband matching, but I think that only with transmission lines transformers, and give some references. Hope it helps,
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