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 Trace-Router does not route any tracks
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United Kingdom
101 Posts

Posted - 27 Aug 2014 :  10:34:26  Show Profile  Reply with Quote
After update to 18.0 and re-activating trace-router new PCB routed OK.
All subsequent (5) simple layouts do not route. Trace-router goes through the motions but does not lay any tracks. Have tried adjusting settings such as spacing etc. Manually routes ok with no design errors. Have used manual for several simple PCB but now have a complex one that I would like to auto-route. Any suggestions as to how I can get this to auto-route. Still does this on 18.0.1.
This is a copy of information sent to support.

Iain Wilkie

United Kingdom
1011 Posts

Posted - 27 Aug 2014 :  11:54:17  Show Profile  Visit Iain Wilkie's Homepage  Reply with Quote

If you want a professional word of advice ..... Never use an autorouter !

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United Kingdom
101 Posts

Posted - 27 Aug 2014 :  12:41:10  Show Profile  Reply with Quote
Iain. I know what you mean. I normally optimise manually then run auto-route a few times with adjustments of positioning. The final run is then manipulated to switch layers and position vias to suit double side without PTH. Power rail nets are thick from source but thin from the rail to individual parts. Ground is plane on both sides, done after routing. Thus there is a lot of manual work but most signal paths are not critical and can be auto-routed.

Edited by - davep on 27 Aug 2014 12:41:32
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