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      "timestamp": "2025-11-03T04:13:47.759+00:00",
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      "content": "Has anyone run a transient simulation for a circuit in GF180MCU? I am building a big switch matrix using standard cell components manually assembled in subckts and arranged in rows and columns. Unclear if ngspice will be albe to simulate it. Right now even a 5 x 25 is very slow and we need to go much bigger. \n\nWe have xschem schematics. Is there a 'smooth' way to start from a netlist generated from xschem and then convert it to a xyce netlist and get it to simulate?\n\nAny worked out examples out there?",
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      "content": "@Leo Moser (mole99) - Any idea?",
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      "content": "Sorry, I haven't done any spice simulations with gf180mcu yet.\nYou should be able to run a Xyce simulation from xschem: https://www.youtube.com/watch?v=fggf9DeVN5k\nThere are also examples in the IHP PDK if I remember right.\n\nThe only incompatibilities between Xyce and ngspice, as I understand it, are the advanced control statements that ngspice supports. If you don't use these, you should be fine.",
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          "title": "Setting up a Xyce simulation with Xschem, viewing results",
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          "description": "This video explains how to do a simple DC seep simulation of a transistor with Xyce, viewing the results and doing some math operations on the waveforms.",
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