On Thu, 3 Feb 2011 02:56:37 +1300, you wrote: >3V -> 1 kV supply at 1 mW. A CCFL backlight transformer would be a good start as a ready-made HV trans= former, probably with 1 or 2 stages of multiplier on the output.=20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .