_{I'm an analogue electronics designer and a music hobbyist in my part-time. I live in Stafford, England. My music composition website is here. My EE website is here. Feel free comment on info@stades.co.uk. Features: -}

• _{Interactive Boost regulator calculator (beta)}

• _{Interactive RLC low pass, high-pass and band-pass}
• _{Impedance matching with L-Pads, T-Pads and π-filters}
• _{Crystal Oscillator theory}
• _{Colpitts Oscillator theory}
• _{Transformer basics}
• _{A section on ferrites}
• _{A section on flyback converter design}

...more to come! Any suggestions?

Finally, if you don't know how to accept an answer that someone has spent their free time on I hope this picture helps: -