from 1988 to sale.. I designed switcher supplies, power distributions systems, constant current chargers, analog to digital and digital to analog converter circuits.

the company I worked for was purchased by Texas Instruments in 2003

2 hours with an electronics book will educate you on simple electronic power units.

most of electronics is MATH.. and data sheets.

the amount of electric / electronic MIS-Information on the internet is just staggering..