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1、1、 MOS输出特性(I/V特性)图1.1网表描述: * SPICE netlist written by S-Edit Win32 7.03* Written on Sep 29, 2021 at 13:49:40* Waveform probing commands.probe.options probefilename=MOS.dat+ probesdbfile=E:1mos作业 M.sdb+ probetopmodule=M* Main circuit: Module0M1 1 Vin Gnd Gnd NMOS L=2u W=22u AD=66p PD=24u AS=66p PS=24
2、u R2 Vdd 1 50 TC=0.0, 0.0* End of main circuit: Module0仿真结果： 图1.2 2、 根本恒流源电路图2.1 其中， 为参考电流， 为输出电流，MOS管工作在饱和区，当MOS管M2 的， 那么M2 工作在饱和区。可求得 与 的关系式为：考虑到各器件工艺条件相同，其本证导电因子相同，阈值电压也相同。网表描述: * HSPICE SIMULATION FILE EX2.option post=2 numdgt=7 tnom=27*.OPTIONS Simple MOS Current MirrorM1 1 1 0 0 nch l = 1u w =
3、 5u M2 2 1 0 0 nch l = 1u w = 5u I1 0 1 DC 10u V1 3 0 DC 0 V_I2 3 2 DC 0 .MODEL nch NMOS VTO=0.7 KP=110U LAMBDA=0.04 GAMMA = 0.4 PHI = 0.7 *.dc V1 0 5 .1 I1 10u 80u 10u .dc V1 0 5 .1 .END仿真结果： 图2.2 3、 高输出阻抗恒流源电路图3.1 网表描述: * HSPICE SIMULATION FILE EX3.option post=2 numdgt=7 tnom=27 *.OPTIONS High out
4、put impedance MOS Current MirrorM1 1 1 0 0 nch l = 1u w = 5u M2 2 1 0 0 nch l = 1u w = 5uM3 3 3 1 1 nch l = 1u w = 5u M4 4 3 2 2 nch l = 1u w = 5uIR 0 3 DC 10uV1 5 0 DC 0Vout 4 0 DC 0.MODEL nch NMOS VTO=0.7 KP=110U LAMBDA=0.04 GAMMA = 0.4 PHI = 0.7 *.dc V1 0 5 .2 IR 10u 100u 10u .dc V1 0 5 .2.END仿真结
5、果： 图3.2 4、 电流源负载的共源放大器 图4.1网表描述: * SPICE netlist written by S-Edit Win32 7.03* Written on Sep 29, 2021 at 14:09:26* Waveform probing commands.probe.options probefilename=sedit.dat+ probesdbfile=E:1mos作业电流源.sdb+ probetopmodule=电流源* Main circuit: 电流源M1 Vout Vin Gnd Gnd NMOS L=2u W=22u AD=66p PD=24u AS
6、=66p PS=24u i2 Vdd Vout 5uA* End of main circuit: 电流源仿真结果： 图4.25、共源共栅放大器VGS1-VTH1VDDRDVOUTVb VinVGS2-VTH2M2M1 图5.1网表描述: *HPICE SIMULATION FILE EX5 .OPTION POST=2LIST*Common Cascode AmplifierM1 2 1 0 0 l= 1u w=4.26u M2 5 4 3 3 l= 1u w=5.57u RD 6 5ibias 5 0 dc 150u *rset 5 0 11.33k vdd 6 0 5 vgg 3 0 d
7、c 2.2 *vref 5 0 dc 3.3 vi1 1 0 DC 1.5 ac 1 .op*.tran 1ms 30ms .ac DEC 10 1 10MEG .print vdb(4) .END仿真电路: 图5.2 6、电流镜负载差分放大器的设计VddM3M1 M2VOUTCLM4+Vin_M5VSS图6.1 网表描述: *SPICE SIMULATION FILE EX6.OTION POST=2LIST*Common MOS Differential Amplifier m1 3 1 6 6 nch l= 1u w=18.4u m2 4 2 6 6 nch l= 1u w=18.4u m3 3 3 5 5 pch l= 1u w=8u m4 4 3 5 5 pch l= 1u w=8u m5 6 7 8 8 nch l= 1u w=300u cl 4 0 5pf vdd 5 0 2.5 vss 8 0 -2.5 .op *.tran 1ms 30ms .ac DEC 10 1 10MEG .print vdb(4) .END仿真电路: 图6.2
