V G wrote: > 1. Is it necessarily a bad thing if it becomes a power oscillator? Large repetitive unintended voltage and current swings in your circuit are rarely a good thing. > 2. How do I prevent it from becoming one? A little hysteresis might help. ******************************************************************** Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products (978) 742-9014. Gold level PIC consultants since 2000. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .