Ferrite core size and number of turns for transformer design

AI Thread Summary
A user is designing a 100W, 4MHz Class E amplifier and seeks guidance on creating a ferrite core transformer for impedance transformation and load isolation. They request resources such as books, websites, or formulas to aid in their design. Several helpful links are provided, including design guides and handbooks on transformer design and transmission line transformers. The user expresses gratitude for the resources, indicating they were previously unsure where to begin. This discussion highlights the importance of accessible educational materials in transformer design for RF applications.
sadehsatari
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hello.
I'm designing a 100w 4Mhz class E amplifier. I need a ferrite core transformer for impedance transformation and load isolation but unfortunately I lack the knowledge required for designing it. if anyone could guide me to a good book or a web page, or simply give me some formulas I would be very grateful.

thank you.
 
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thank you very much. I had no idea where to start and your links were extremely helpful..
 

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