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Can anyone explain how to shield nets using the "Shield" property in Allegro? Is this just for auto-routing or does it work with interactive routing? In Specctra when you route a net that is to be shielded it will give you a "bubble" around the net large enough to add the shield then when you complete the net it automatically adds the shield. Can this be done in Allegro?Thanks!Mike
Mike,The SHIELD_NET and SHIELD_TYPE properties in Allegro are only used by the Allegro PCB Router at this point. There is a lot of different ways of doing shielding in Allegro but it is a manually effort. 1) Route nets that require shielding with extra space and copy the main route to form the shield - requires a lot of cleanup.2) Route nets on a pair of layers with extra space and generate a dynamic shape to form the shield. - not as much cleanup.3) Route nets that require shielding with extra space and route shield manually by setting the bubble spacing to hug preferred.SPB 16.0 has the Via array functionality (Place > Via Arrays) that allows you to stitch vias around a selected Cline automatically and then you could connect the shield via together with clines to complete the shield. Not sure if all tiers of Allegro have access to this functionality but it is available on Allegro PCB Design XL (610)Hope this helps,Mike CatramboneUTStarcom, Inc.