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Displaying current through a pin

mhkvy4

I was trying to figure out how to display current flowing into a pin in Cadence. I need to calculate the total power dissipated by the circuit. 

I clicked on Outputs>To be saved and then clicked on the pins I was interested in. Where are the current values saved? And is there a way to display them for different schematic pins like for DC node voltages. 

I am also getting the following warning. 

WARNING (ADE-3022): Schematics of the following net names could not be mapped to
simulators. Ensure that the specified schematic names are valid.
/I7/vdd! /I12/vss!

Parents

  • OK, the first thing to check is to open the symbol for the block in question, and see if it has labels of the form cdsTerm("pinA") cdsTerm("pinB") etc on the pins. If it has, then all you need to do is ensure you've saved the terminal currents on that instance (outputs->to be saved->select on schematic, and either click on the pins, or click on the instance to select all pins for that instance), and then after simulation do (in the schematic) View->Annotations->DC Currents.

    If you don't have the cdsTerm() labels, you can either add them (using the create label command in the symbol editor), or having done the steps above, do View->Info Balloons (to turn on info balloons) and then hover over the instance to show the terminal currents in a table over the instance.

    Regards,

    Andrew.

Reply

  • OK, the first thing to check is to open the symbol for the block in question, and see if it has labels of the form cdsTerm("pinA") cdsTerm("pinB") etc on the pins. If it has, then all you need to do is ensure you've saved the terminal currents on that instance (outputs->to be saved->select on schematic, and either click on the pins, or click on the instance to select all pins for that instance), and then after simulation do (in the schematic) View->Annotations->DC Currents.

    If you don't have the cdsTerm() labels, you can either add them (using the create label command in the symbol editor), or having done the steps above, do View->Info Balloons (to turn on info balloons) and then hover over the instance to show the terminal currents in a table over the instance.

    Regards,

    Andrew.

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