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Issue in PSS simulation

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youyang

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Hi All,

When I run the VCO PSS simulation, the spectre gave me the attached log file, saying the frequency is divided by 2 at a node. The node here is a terminal of DC biasing resistor, nothing special and there is no divide-by-2 block. The nominal frequency should be twice of the 6GHz, which is verified through tran simulation. Does anybody have idea what going on here?

Thanks.
 

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