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routing diff pairs takes too long

wolf

When routing diff pairs manually, the field solver activates and runs calculations. the constraint manager modes are turned off and the DRC check is disabled. It still takes 1-2 miutes or more to start a route and every move of the mouse causes more calculations. Any way of turning off the field solver to speed up routing manually.

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  • pcbgeorge
    Do you have an IMPEDANCE property on the net?
     
    If so, remove it and set the trace width using a net class.
     
    There may be an easier way that I don't know of, but this will stop the calculations and give you back your computer.  It us usually more accurate, too, since the Cadence calculated widths can be different from that specified by manufacturers.
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  • pcbgeorge
    Do you have an IMPEDANCE property on the net?
     
    If so, remove it and set the trace width using a net class.
     
    There may be an easier way that I don't know of, but this will stop the calculations and give you back your computer.  It us usually more accurate, too, since the Cadence calculated widths can be different from that specified by manufacturers.
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