In article ,
David Looser wrote:
It's my personal experience that good layout is vital. Poor layout can
result in instability and significantly increased noise levels, but I'm
afraid that I cannot offer "references for hard evidence".

With something as simple as a line amp I'm suprised that you need
auto-routing. Most PCB layout software offers a manual routing option,
why not use that?

I don't make anything very complicated, but working out the routing is
part of the fun. Might be different if it were a job, though.

--
*Money isn't everything, but it sure keeps the kids in touch *

Dave Plowman London SW
To e-mail, change noise into sound.