On Thu, Jan 05, 2006 at 01:39:11PM -0500, DJ Delorie wrote: > > > Why? Via doesn't have much more inductance than a piece of trace, > > does it? > > At high enough frequencies, traces are waveguides, not just > conductors. Vias have nontrivial geometry relative to the signal. > > That reminds me of another optimization I'd like to implement in the > future. Instead of corners, treat all traces like elastic bands, so > that they end up as sweeping curves (lines+arcs) with no corners at > all (except for 3-trace nodes). I want this myself just because it > makes the board look pretty, but I wonder if gentle curves provide > better waveguide performance than corners?
Not only. The traces then don't waste so much space. CL<
