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  3. Analog and Digital Ground connection

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Analog and Digital Ground connection

David G
David G over 16 years ago

Hi,

 does anyone know how to represent in capture CIS, when you need a digital and an analog GND to connect

on only one point, if I tie both grounds using a wire then orcad makes a short and I lose one of the nets

what I have been doing so far is to just draw a line between both GNDs and on Allegro use the short_net properti

but was wondering if there is a better, or correct = ) way to do this?

 thank you 

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  • ArturoArias
    ArturoArias over 15 years ago
    I use a ferrite bead... 120 Ohm or higher, and depending on the space I have, I choose the footprint. Remember this: the bigger the footprint, the higher the impedance and the capacity of driving current. Regards. Arturo
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  • ArturoArias
    ArturoArias over 15 years ago
    I use a ferrite bead... 120 Ohm or higher, and depending on the space I have, I choose the footprint. Remember this: the bigger the footprint, the higher the impedance and the capacity of driving current. Regards. Arturo
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