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Cadence5, output pane, subtraction of two signals

StreamCX

How to view subtraction or sum (or some math operation) of two signals in ADE output pane? 

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Parents

  • Such expressions can be built easily in any version of Virtuoso. You don't have to have the dependent expressions support that Quek mentioned (which is in IC614).

    Do these steps in ADE:

    1. Outputs->Setup
    2. Hit the "Open" button to open the calculator
    3. On the tran tab, select vt.
    4. Click on one node on the schematic, then the other
    5. Hit the "-" button in the calculator. The buffer should show something like VT("/outp")-VT("/outn") (depending on the nets you've chosen)
    6. In the Setting Outputs form, hit the "Get Expression" button.
    7. Fill in the Name field (if you like) to something you find meaningful (e.g. "diff")
    8. Hit the Add button
    9. Cancel the Setting Outputs form.

    Now when you run the simulation,  the difference will be plotted automatically at the end.

    Regards,


    Andrew.

Reply

  • Such expressions can be built easily in any version of Virtuoso. You don't have to have the dependent expressions support that Quek mentioned (which is in IC614).

    Do these steps in ADE:

    1. Outputs->Setup
    2. Hit the "Open" button to open the calculator
    3. On the tran tab, select vt.
    4. Click on one node on the schematic, then the other
    5. Hit the "-" button in the calculator. The buffer should show something like VT("/outp")-VT("/outn") (depending on the nets you've chosen)
    6. In the Setting Outputs form, hit the "Get Expression" button.
    7. Fill in the Name field (if you like) to something you find meaningful (e.g. "diff")
    8. Hit the Add button
    9. Cancel the Setting Outputs form.

    Now when you run the simulation,  the difference will be plotted automatically at the end.

    Regards,


    Andrew.

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