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EAGLE Support (Deutsch) Autorouter f. 4-Lagen SMD-pcb, V7.4.0
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Related

Autorouter f. 4-Lagen SMD-pcb, V7.4.0

eduardodemier
eduardodemier over 10 years ago

Hallo.

 

Hier meine Erfahrungen mit Autorouter bei einem 4-Lagen Board mit vielen

SMD-Bauteilen mit EAGLE V7.4.0

 

Polygone: L2 = GND, L15 = +5V. L1 & L16 normales Routing.

 

Das Problem ist der erste Autorouter-Durchlauf "short "bus" routings",

der eine kurze Verbindung mit Via vom jeweiligen SMD pin auf GND or +5V

setzen soll. Die nötigen Änderungen im Autorouter Setup (ctl file) sind

im Prinzuip korrekt im Handbuch beschrieben.

Das Problem ist, dass der AR die Vias nur dann setzt, wenn

 

1. bereits ein Pin oder eine Via existieren, die mit GND oder +5V

verbunden sind und

2. der AR für alle Lagen (also auch L16) aktiviert ist, auch wenn, weder

SMD-Pads noch Polygone auf L16 sind.

 

Habe lange dafür gebraucht, diesen Bug zu finden!

 

Wer kann das bestätigen oder erklären? Danke.

 

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