Microwave office 2004

[eng.asi]

hi
I'm working on microwave office 2004 and this warring appears ( Conductance added to circuit to prevent singularity(1e+012ohm) )
what is that mean ?
thanks in advance

 

[biff44]

probably some math instability where your circuit connections were going to require a divide by zero. By adding a small resistance, you no longer divide by zero, and the math gods are happy.

In agilent genesis you sometimes have to add a 0.0001 ohm resistor to transformers to get good results.

 

[eng.asi]

ok but this warring appears with the node of the diode and capacitor

 

[BigBoss]

ok but this warring appears with the node of the diode and capacitor

You simulator sees all components being as primitive components.It automatically adds sometimes to prevent hang-up problem some ideal components caps.resistors etc.
It's normal,don't worry and your simulation accuracy won't be impacted by these tricky components.

 

[flatulent]

It may be like spice where there has to be DC paths from all nodes to ground.

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It may be like spice where there has to be DC paths from all nodes to ground.