Old schematics from my 10 year old backup

I have here some of my old schematic diagrams which I compiled around 10 years ago. I have decided to post here as another copy from my angelfire.com account  but in no particular order/details.

For those electronic enthusiast, you may find below classic diagrams useful on some of homebrew projects and repairs.


200W PC ATX Power Supply

35Amps, 13.8VDC Regulated Power Supply for HAM/Amateur Radio Enthusiast

Hi-Power Amplifier - Diect-Coupled railing output