仿真不收敛问题的讨论

**error** number of iteration exceeds min(7000, 20*itl1)=  4000 in pseudo
'^L"D+oNe5x(w^N#b0tran process (converge=1 process). Usually this happens when the
9VJ7J G1[Et+t#u0models are discontinous, or there are uninitialized bi-stable cellsEDA中国门户网站Dx)` ONX(D
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(flip-flop) in the circuit. By setting options dcon=-1 and converge=-1
Pij8l&B0you can disable auto convergence process. Retry the run, non-convergenceEDA中国门户网站,js;C!Hob
diagnostics will provide useful information about the nodes and devicesEDA中国门户网站S%Z Sd!w
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which can be used to work around the non-convergence problems.
0Q p(k;qW+l+DR)u ~,k0*** error ***: no convergence in dc sweep curves at  -40.000  
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上面说的setting options dcon=-1 and converge=-1，我不知如何设置？请指点迷津。。