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目前在模擬電路的時候,hspice顯示出
. {4 e- ?8 e3 C: n% U**error** number of iteration exceeds min(7000, 20*itl1)= 7000 in pseudo
$ X* ]3 g" l! t' K* S. s+ H. n3 j tran process (converge=1 process). Usually this happens when the* d( y8 I2 Q k% @. b) k
models are discontinous, or there are uninitialized bi-stable cells
" @) X$ r8 \6 |! a$ `* [6 ~ (flip-flop) in the circuit. By setting options dcon=-1 and converge=-1
* v) r/ r& |& ~: x. I' l you can disable auto convergence process. Retry the run, non-convergence! k% X5 R! `; d3 ^( _ D
diagnostics will provide useful information about the nodes and devices! d6 l# Q6 ]* o. V: N) U6 D/ w$ ?
which can be used to work around the non-convergence problems.
% `# b/ c1 V( u. k0 u1 D9 R; E# B1 a( B+ u
**error**: no convergence in operating point3 N5 W' u. u; h S9 Z- @" b9 C4 ]& a
7 j2 k( K3 |: b: M' j I V
而我的設定為7 L: m6 t7 ]$ F" s3 m3 S
.option post itl1=400 itl4=35 dvdt=3 lvltim=1 CONVERGE=1 reli=0.005. S3 g9 g" U+ q% g
+absi=1pa reltol=0.1 abstol=10Ma vntol=10Mv gshunt=1E-7' V& H" _% v3 B0 v- k
請問各位高手,我要改哪裡才可以讓它可以正常模擬,或是可以幫我解釋一下造成這個的原因,9 g. Q4 `, y# a, B3 M$ S
不好意思,因為搞了好幾天了還跑不出來,只好上來尋求解答.5 O, ?! ^ L* T, s
謝謝 |
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