7-6-7 跨導(dǎo)放大器-模型corner仿真

1第7章SPICE數(shù)模混合仿真程序的

設(shè)計流程及方法

7.1采用SPICE的電路設(shè)計流程7.2電路元件的SPICE輸入語句格式7.3電路特性分析語句7.4電路特性控制語句7.5HSPICE緩沖驅(qū)動器設(shè)計實例7.6HSPICE跨導(dǎo)放大器設(shè)計實例7.7PSPICE電路圖編輯器簡介7.8PSPICE緩沖驅(qū)動器設(shè)計實例7.9PSPICE跨導(dǎo)放大器設(shè)計實例2電路與網(wǎng)表指標(biāo)分析偏置電流與功耗、開環(huán)增益、GBW與相位裕度、壓擺率、SwingRange、失調(diào)、噪聲、工藝corner分析、溫度特性分析等3V_Vpvdd05VV_Vacvin0DC2.5VAC1V0V_Vdcvip02.5VR_Rzvo1N_0001rzvC_CcN_0001voccvC_CL0voclvC_Cb0vb10pR_Rbvbvdd100kM_U2vo1vipN_00020nmL=0.6uW=12uM=2M_M1N_0003N_0003vddvddpmL=2uW=12uM=2M_M3vovo1vddvddpmL=0.6uW=12uM=8M_U1N_0003vinN_00020nmL=0.6uW=12uM=2M_U4vovb00nmL=5uW=12uM=8M_U5vbvb00nmL=5uW=12uM=1M_U3N_0002vb00nmL=5uW=12uM=4M_M2vo1N_0003vddvddpmL=2uW=12uM=2存在文件

中47.模型corner仿真在中將V_vpulse的定義換回來：V_Vacvin0DC2.5VAC1V05模型corner仿真Otasimulation.prot.lib‘LIB_PATH\csmc.lib’tt.unprot.optionpostprobe.probedcv(vo).op.dcv_vdc2.452.510.0001$sweepmonte=30*.trans0.1ns1000ns*.acdec101k500meg

$sweepccv05p1p*.noisev(vo)v_vac20.pararzv=1kccv=1pclv=1p$alfa=agauss(0,3,3).inc‘NETLIST_PATH\’.end做DC掃描，分析各種corner下的增益和失調(diào)的變化6模型corner仿真在.end前插入.alter語句，如下：Otasimulation…….alter.lib‘LIB_PATH\csmc.lib’ff.alter.lib‘LIB_PATH\csmc.lib’fs.alter.lib‘LIB_PATH\csmc.lib’sf.alter.lib‘LIB_PATH\csmc.lib’ss.end7模型corner仿真ttttfffffsfssfsfssssFf時增益最小，ss時增益最大Vo=vdd/2分別對應(yīng)于V_vdc為：2.48762.48142.48612.48812.49128模型corner仿真Otasimulation.prot.lib‘LIB_PATH\csmc.lib’tt.unprot.optionpostprobe.probeacv(vo)vp(vo).op*.dcv_vdc2.452.510.0001$sweepmonte=30*.trans0.1ns1000ns.acdec101k500meg$sweepccv05p1p*.noisev(vo)v_vac20.pararzv=1kccv=1pclv=1p$alfa=agauss(0,3,3).inc‘NETLIST_PATH\’.end知道了各種corner下的失調(diào)后，就可以設(shè)置V_vdc做AC掃描，分析各種corner下的增益和GBW的變化9模型corner仿真…….alterV_Vdcvip02.4814V.lib'f:\spice\userlib\csmc.lib'ff.alterV_Vdcvip02.4861V.lib'f:\spice\userlib\csmc.lib'fs.alterV_Vdcvip02.4881V.lib'f:\spice\userlib\csmc.lib'sf.alterV_Vdcvip02.4912V.lib'f:\spice\userlib\csmc.lib'ss.end對于各種corner加入了對應(yīng)的V_vdc定義10模型corner仿真ffss11模型corner仿真ffssffss12模型corner仿真由仿真結(jié)果可