Paul Haggard wrote: > I have never dealt with such > high voltage potentials before and I'm wary to being any testing before I > come up with a strict safety guidelines and a sure way to keep the curren= t > in the nanoamp range. =A0If anyone can suggest potential resources for > obtaining any relevant information, I'd be glad to do more reading; I sim= ply > don't know where to start yet. =A0Thanks! =A0-Paul To read, probably, this good doc cds.linear.com/docs/Application%20Note/an118fa.pdf "Figure 11. Controlled Transition Time Switching Regulator Applied to a Negative Output, 1000V Converter. A1 Provides Low Impedance, Inverting Feedback to LT1534" But, please, don't develop it unless you are a high voltage EE pro. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .