Welcome to our site! EDAboard.com is an international Electronic Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.
Just visit his web site, it has a lot of useful info on many projects, as well as a lot of other info on HID ballasts. I don't know why the OP didn't just post the link to the web site in the first place! [grrrr]
I D/L'd the PDF and it opened with no problem, but I have Korean Fonts installed.
Just go to http://www.pwm.pe.kr and look around.