On 1/31/07, alan smith wrote: > > That was my thinking as well....what about the transformer and series > resistors? Series resistors are typically in for impedance matching but in > this case....routing was so bad that it wouldnt have fixed anything at all. I'm not sure what the transformer is doing, the designs I've dealt with didn't use transformers. The series termination prevents reflections on the lines, but of course you can still hose that up if you route it badly enough :) -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist