Zero Diagonal found in Jacobian

Discussion in 'Cadence' started by Jimmy Blue, Jan 27, 2004.

  1. Jimmy Blue

    Jimmy Blue Guest

    Get this message sometimes, it seems to have no
    documentation (Help search fails) and no sense
    to it. The same circuit flat, and hierarchical,
    will call out different quantities of complaint.
    Overlaying a resistor mesh does not fix it (nor
    is that a desirable thing, instantiating a large
    quantity of resistors). If it is severe enough
    the "reordering Jacobian" fails to satisfy it and
    the simulation bombs.

    What is this whining about and what does the
    circuit need, to get happy?
     
    Jimmy Blue, Jan 27, 2004
    #1
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