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Different track spacing rules for Autorouter?

5 Dec 2011

v8pete

United Kingdom

Hi - I have a design which has some high-voltage tracks. I can set up a net class for these, but is there any way I can specify different track-to-feature spacing rules for the auto-router, which will enable me to set an increased track clearance around these nets?

Thanks!

Pete

Replies

v8pete

United Kingdom
23 weeks ago

Thanks guys, that's very helpful! I did think about making the tracks wider prior to auto routing, but didn't think about changing the track width afterwards using the Design Tech. tab, so will try that out!

Cheeres again for the help.

Pete

Pete2010

United States
23 weeks ago

I believe that you could increase the track width for the HV track style by the increased clearance that is required, auto-route, then reduce the track width back to what you really need.  When you change the track width in the Design Technology Tab all the tracks change, for that track style, on the PCB even after you have routed so the change is easy to do.

daveegg

United Kingdom
23 weeks ago

You can't set spacing rules for a specific net class in DesignSpark PCB; there is only track to track, track to via, and so on.