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PSS simulation Warnings during PA design

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renzhixiong

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Hello everyone,

I encounter some boring warnings and errors listed as follows during PSS simulation in Cadence SpectreRF.


Warning from spectre at time = 475.28 fs during periodic steady state analysis `sweeppss-014_pss', during Sweep analysis `sweeppss'.

M0: Vgd has exceeded the oxide breakdown voltage of `vbox' = 4.08 V.

M1: Vgd has exceeded the oxide breakdown voltage of `vbox' = 6.8 V.


Warning from spectre at time = 41.6667e-24 s during periodic steady state analysis `sweeppss-013_pss', during Sweep analysis `sweeppss'.
Sweep iteration for `pin' = 2.5 terminated prematurely because of following error(s):
Error found by spectre at time = 41.6667e-24 s during periodic steady state analysis `sweeppss-013_pss', during Sweep analysis `sweeppss'.
No convergence with minimum time step. Last acceptable solution computed at 0 s.



Does anyone have any idea about the solutions to eliminate these warnings and errors.

Many Regards!:wink:
 

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