At 01:59 PM 4/9/2006 -0400, you wrote: >(Since no one told me whether or not this sounded like oscillation, I guess >it must have). Bzzzt. Nope. It sounds like latch-up or an intermittent short of an output to supply rail. >Best regards, Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com ->> Inexpensive test equipment & parts http://search.ebay.com/_W0QQsassZspeff -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist