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What does rigid loop mean in spectre ?

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henrywent

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rigid loop

hi there,
what does rigid loop mean in spectre, because i encountered a rigid loop error during topology check and failed the simulation, i wonder how to get rid of this kind of error, i am happy about any comment, thanks!
 

rigid loop

i think it may be a loop of sources, i.e. two parallel voltage sources
 

    henrywent

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Re: rigid loop

thanks, you are right, it is what you thought. i've corrected the error.
 

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