CAD实习报告_cad实习报告

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电路CAD实习报告

目录

第1章 概述...........................................................................错误！未定义书签。第2章 例题...........................................................................错误！未定义书签。第3章 习题.........................................................................................................5 第4章 实习心得....................................................................错误！未定义书签。第5章 参考文献....................................................................错误！未定义书签。

V1R11k10Vdc00A

-5mA-10mA0VI(R1)V_V11V2V3V4V5V6V7V8V9V10V

R10V1Vac0VdcV11010VL120.5mC10V1u0100mA

50mA0A1.0KHz-I(R1)3.0KHz10KHz Frequency30KHz100KHz

Vi0VR1100V00V1Vac0VdcV1C15n0V010mA

5mA0A10KHzI(C1)30KHz100KHz300KHz Frequency1.0MHz3.0MHz10MHz

4瞬态分析参数设置

R1outV1 = 0vV2 = 5vTD = 0TR = 400nsTF = 500nsPW = 10msPER = 20msV10V1000VC10.01m0V050mA

0A-50mAI(C1)5.0V2.5V0VV(C1:2)5.0V2.5VSEL>>0V0sV(R1:2)20msV(V1:+)40ms60ms80ms100ms Time120ms140ms160ms180ms200ms

5噪声分析参数设置

Rb3.000VDC = 3VAC = 1VV1100k681.1mVQ2V05.898VQ2N222210V0V0VRc1k10.00VVdc000V01 500nV2 20uV

250nV10uV0V >>0V10Hz1 100HzV(ONOISE)2 1.0KHzV(INOISE)10KHz100KHz Frequency1.0MHz10MHz100MHz1.0GHz

噪声分析结果

1401201008010Hz100Hz1.0KHzDB(V(V0)/V(ONOISE))10KHz100KHz Frequency1.0MHz10MHz100MHz1.0GHz

SNR输出结果

信噪比（SNR）= 输出信号能量/输出噪声幅度或能量 第3章 习题

1对下图所示仿真电路先执行偏压点分析，观察其文本文件，然后执行直流扫描分析，画出V（M4/d）的波形图。原理图

M1IRF9140M2IRF9140V15VM4M3IRF150IRF150Vi5V0.1AI15VV208.0V

4.0V0V-4.0V0VV(M4:d)V_Vi0.5V1.0V1.5V2.0V2.5V3.0V3.5V4.0V4.5V5.0V

2对下图所示仿真电路先执行偏压点分析，观察其文本文件，然后执行直流扫描分析，画出V（U1/OUT）的波形图。

原理图

R110V20KD1D2D1N4002V1R2210K3Vi0Vdc-4D1N4002U1OS1uA74116510VV20+V+V-OUTOS2007

10V0V-10V0V1VV(U1:OUT)2V3V4V5V V_Vi6V7V8V9V10V

3对下图所示仿真电路进行直流扫描分析，在同一窗口中画出I（R1）和I（R2）的波形图观察流经R1和R2的电流方向是否同一方向？

原理图

R15kV115VdcR210k0

0A-0.5mASEL>>-1.0mAI(R2)1.0mA0.5mA0A0VI(R1)V_V12V4V6V8V10V12V14V16V

由图可知流经R1和R2的电流方向不是同一方向

4对下图所示仿真电路进行交流扫描分析画出ＤＢ（Ｖ（Ｖ０）／Ｖ（Ｖｉ））及Ｐ（Ｖ（Ｖ０）／Ｖ（Ｖｉ））的波形图。

C1100nR21VVi7940VC22100n3-1.216mVV110VOS1uA7411-10.00V6510VVo0VV2R10+V+V-15k4OUTOS20V00710.00V

120100SEL>>80P(V(VO))/ V(Vi:+)400-401.0KHzDB(V(VO)/V(Vi:+))3.0KHz10KHz Frequency30KHz100KHz

Rf2kVi0VVainR11k0V-OUT+U10VOPAMP12.00V-12.00VVO12V0V12VV1V20VVOFF = 0VAMPL = 1VFREQ = 10KHz00V002.0V

0V-2.0V0sV(VI)20usV(VO)40us60us80us100us Time120us140us160us180us200us

10.00V10VVdcRcRbV1DC = 3VAC = 1V100kQ1Vo1k6.241VQ2N3904000500nV2 8.0uV250nV4.0uV0V >>0V10Hz1 100HzV(ONOISE)2 1.0KHzV(INOISE)10KHz100KHz Frequency1.0MHz10MHz100MHz1.0GHz

R1RbreakV1V1 = 0VV2 = 5VTD = 1000nsTR = 1000nsTF = 1000nsPW = 1000nsPER = 4000ns0V10V00VC11nCbreak0V0

5.0V2.5V0V0sV(V0)Time1.0us2.0us3.0us4.0us5.0us6.0us

R15.060V1k20.00V119.5mVH120.00V20VdcV1I0VH+-R2500UR31k020mA

10mASEL>>0AI(R1)10V5V0V0VV(U)V_V12V4V6V8V10V12V14V16V18V20V

H2+-IV110VdcR13R23HR330-0.0

-2.0-4.0-6.00V1VV(I)/ I(V1)2V3V4V5V V_V16V7V8V9V10V

ViR11kV00VC10.5n0VV10VV1 = 0VV2 = 10VTD = 0TR = 0TF = 0PW = 3usPER = 6us0

10V5V0V0sV(VI)V(V0)Time1.0us2.0us3.0us4.0us5.0us6.0us

R11kI110A0

10KV5KV0V0AV(I1:-)I_I11A2A3A4A5A6A7A8A9A10A

10VV110.00VR147kRc4.7kC2Vo1u0V0VR347k1.820V0VcQ1ViC12.407V1uRs600V2Q2N22222.407VVbR2Re1470894.0mVRe2C34702.407V1uVe1.788V010k1Vac0Vdc010nV2 1.6uV8nV1.2uV6nV0.8uV4nV0.4uV2nV >>0V10Hz1 100HzV(ONOISE)2 1.0KHzV(INOISE)10KHz100KHz Frequency1.0MHz10MHz100MHz1.0GHz

R324AdcI1VA1R220R41kFF1VB0

-0V-100V-200V-300V0AV(VA)V(VB)I_I14A8A12A16A20A24A

12.00VRb180kRc3.3kC36.790V2.245VIsVOFF = 0VVAMPL = 10mvFREQ = 1KHz0VVsC110uRb220kRe1k0VVbRLQ2N22221.589VC230u10kQ330u0V12VV10

-1.5884mA-1.5886mASEL>>-1.5888mAIE(Q3)1.57900mA1.57875mA1.57850mAIC(Q3)9.7050uA9.7025uA9.7000uA0VIB(Q3)V_Vs1mV2mV3mV4mV5mV6mV7mV8mV9mV10mV

-9.8K-10.0K-10.2K0s1ms2ms3msV(VB)/(I(Rb1)+ I(Rb2)+ IB(Q3))4ms5ms Time6ms7ms8ms9ms10ms

10K5K00s1msV(VL)/ I(RL)2ms3ms4ms5ms Time6ms7ms8ms9ms10ms

VO1 HRC110kVo15.443VQ1J12.00VRC210kQ2Q2N2222B22sin2π1000tVi2E2I10VdcVCC12V0V0B10VQ2N2222MVi112sin2π1000t0Vdc1.32mA-12.00VV2-12V0V00VO22.0V0

1.0VSEL>>0VV(VO2)2.0V1.0V0V10HzV(VO1)100Hz1.0KHz10KHz100KHz Frequency1.0MHz10MHz100MHz1.0GHz

VO1－VO2 14

3.0V2.0V1.0V0V10Hz100HzV(VO1)-V(VO2)1.0KHz10KHz100KHz Frequency1.0MHz10MHz100MHz1.0GHz

输入电阻

10K5KSEL>>0(V(B2)V(E1))/IB(Q1)1.0KHz10KHz100KHz Frequency1.0MHz10MHz100MHz1.0GHz

输出电阻

10.00002K10.00000K9.99998K(V(VO1)V(J))/IC(Q2)10KHz100KHz Frequency1.0MHz10MHz100MHz1.0GHz