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Automatically stop a transient simulation according to DC simulation result

Hi, All, thanks in advance. I am trying to simulate a bandgap circuit. What I want to do is to first make DC simulation and find the DC output voltage of the bandgap. Then use the DC bandgap voltage as the final value to find the 1% error settling time of the bandgap in transient simulation. I found some scripts by using spectre MDL. However, all the simulation is done with a known value. Does anybody know how to use spectre MDL first run DC and use the DC results as the threshold in the transient simulation?

Thanks again and looking forward to replies.

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