Why are you recommending avoiding 90 degree bends? Yes, for very high frequency signals it will affect the transmission line properties of the trace, but for what most of us do on a regular basis, it should have no effect. Sean On Sat, Jan 31, 2009 at 10:31 PM, gardenyu wrote: > > Don't make 90 degree turn path for signals. > > Always use 45 degree whereever possible. > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist