Lindy Mayfield wrote: > This is a serious question. How do you "understand" how a circuit > works and how do you create with your imagination a new one? Lindy, this book and the whole collection from this autor makes me understand a lot. Robert L. Boylestad "Introductory Circuit Analysis", etc. In Communication area, Wayne Tomasi,... I don't remmember the title :) Regards, Dennis. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist