小弟最近在做一颗op 可是手算分析一直跟跑出来的差很多= = 请问各位高手是都会差很多吗 还是会差不多只是我参数可能有代错 我是用.18的虚拟制程 我把我其中一几颗mos的参数都打出来给大家看看 请问UuCox是看beta值吗 还有vdsat是Vgs-Vth吗 为什麽我怎麽算都跟电流还有gm对不上= = 我代的公式是课本上教的没有early effect修正过的 会差很多吗? ibselement 1:mm8 1:mm7 1:mm6 1:mm5 1:mm4 1:mm3 model 0:n_18.1 0:n_18.1 0:n_18.1 0:n_18.1 0:p_18.1 0:p_18.1 region Saturati Linear Saturati Saturati Saturati Saturati id 129.0923u 4.8735p 21.1426u 21.1426u -21.1426u -21.1426u ibs -1.926e-20 -6.5629f -3.406e-21 -3.406e-21 3.2585f 3.2585f ibd -3.0211f -6.5629f -395.2453a -395.2435a 13.6726f 13.6726f vgs 486.4250m 1.3136 486.4271m 486.4271m -586.9407m -586.9407m vds 701.9281m 112.0660p 486.4271m 486.4250m -1.0005 -1.0005 vbs 0. -486.4250m 0. 0. 313.0593m 313.0593m vth 382.9400m 480.2692m 386.1309m 386.1310m -581.9215m -581.9215m vdsat 121.0670m 655.2410m 117.8857m 117.8857m -71.4596m -71.4596m beta 18.6885m 53.1024m 3.2653m 3.2653m 15.0221m 15.0221m gam eff 507.4460m 519.5956m 507.4460m 507.4460m 554.9668m 554.9668m gm 1.7662m 5.0780p 294.3968u 294.3967u 422.7354u 422.7354u gds 19.6837u 43.5310m 3.5574u 3.5574u 1.0162u 1.0162u gmb 357.1881u 1.0142p 59.7729u 59.7729u 112.3329u 112.3329u cdtot 79.3344f 1.7984p 14.5844f 14.5844f 228.4681f 228.4681f cgtot 406.9337f 1.5167p 71.2064f 71.2064f 984.1050f 984.1050f cstot 456.0532f 1.5743p 79.6965f 79.6965f 989.6363f 989.6363f cbtot 223.1243f 623.4825f 39.7646f 39.7646f 693.3548f 693.3547f cgs 352.1050f 756.7533f 61.6631f 61.6631f 706.8043f 706.8043f cgd 21.3213f 721.0981f 3.7449f 3.7449f 78.1548f 78.1548f --

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