On 8/14/06, Martin K wrote: > Did anyone find this interesting? I spent a while photocopying it in the > library, scanning it, converting it to PDF.. :-) Sure, but cuk is quite known, I'm using it because could be quiet. http://www.igorg.orc.ru/SMPS/zero_rip.htm http://www.national.com/pf/LM/LM2611.html Lt1534 from http://www.linear.com could be used as cuk converter. greetings, Vasile -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist