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RE: No DC solution found (no convergence)

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I doubt it will be possible to debug this from just a segment of the log file alone (you didn't include the whole log file, so I don't even know which version you're using). it seems rather odd that a transient would succeed but a dc operating point wouldn't, since the transient has to start with a dc operating point (the only explanation other than the setup being different is that that the time-zero voltages are different from the DC voltages on the sources). My guess from the I20.I4:Ttrans_flow error is that I20.I4 is an instance of a Verilog-A model, so it may be an issue with the Verilog-A code - hard to be sure without seeing it all. As mentioned in the other post, seeing the design would help. Given that this is usually not possible on the forums, I would suggest you contact customer support . Regards, Andrew.

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