已知电路如图所示，试画出其去耦等效电路，并写出其阻抗表达式。

<img src='https://img2.soutiyun.com/ask/2019-12-18/945536444713028.png' />

已知某共射放大电路的波特图如图P5.3所示,试写出<img src='https://img2.soutiyun.com/ask/2021-01-09/979041595814278.png' />的表达式. <img src='https://img2.soutiyun.com/ask/2021-01-09/979041631071295.png' />

电路如图题9.8.6所示，设稳压管Dz的双向限幅值为±6V。(1)试画出该电路的传输特性;(2)画出幅值为6V正弦信号电压v_i;所对应的输出电压波形。 <img src='https://img2.soutiyun.com/ask/2021-01-01/978377867161493.png' />

在图P5.6(a)所示的电平触发D触发器电路中，若CLK和D输入端的电压波形如图P5.6(b)所示，试画出Q和Q'端对应的电压波形。假定触发器的初始状态为Q=0。 <img src='https://img2.soutiyun.com/ask/2020-09-14/968971137201804.png' />

<img src='https://img2.soutiyun.com/ask/2020-09-06/968245330599443.png' />

<img src='https://img2.soutiyun.com/ask/5511001-5514000/3719e4a0076ef8cb5569fe3a568a3675.jpg' /> <img src='https://img2.soutiyun.com/ask/5511001-5514000/327e6aa8090baa9ba0504991aad7c3b4.jpg' />

<img src='https://img2.soutiyun.com/ask/2020-04-02/954672023020499.png' />

试画出如图4-27所示电路在一系列CP作用下Q₁、Q₂、Q₃端输出电压波形，并说明Q₁、Q₂、Q₃输出信号的频率与CP信号的频率之间的关系。触发器均为边沿结构，初始状态为0。 <img src='https://img2.soutiyun.com/ask/2020-09-06/968237465266572.png' />

如图6. 17(a)(教材图6.08(a))所示电路,输人u1波形分别如图6.10(b)、(c)所示，试画出u0波形图。 <img src='https://img2.soutiyun.com/ask/2020-07-13/963480459412622.png' /> <img src='https://img2.soutiyun.com/ask/2020-07-13/963480470227241.png' /> <img src='https://img2.soutiyun.com/ask/2020-07-13/963480480897851.png' />

由JK触发器和PLA构成的时序逻辑电路如图所示，试分析其功能(写出驱动方程和状态方程，画出状态转换图，说明电路的逻辑功能，电路能否自启动)。<img src='https://img2.soutiyun.com/ask/uploadfile/5478001-5481000/f152390292d2c215d853de1858c0ae2b.png' />

电路如图1-13(a)所示，已知v_i=5sinωtV，二极管导通电压V_D(on)=0.7V。试画出v_i与v_O的波形，并标出幅值。 <img src='https://img2.soutiyun.com/ask/uploadfile/5496001-5499000/b763fed743268095380483d1271a3a53.jpg' />

<img src='https://img2.soutiyun.com/ask/uploadfile/5469001-5472000/728fa2f4a937a6b22cd60a27fad220cf.png' />

电路如图所示，已知R=50Ω，L=2.5mH，C=5μF．电源电压U=10V，角频率ω=10⁴rad/s，求电流<img src='https://img2.soutiyun.com/latex/latex.action' />、<img src='https://img2.soutiyun.com/ask/uploadfile/5499001-5502000/d1af2cd2ab3ec9264f1b32c97996ae01.png' /><img src='https://img2.soutiyun.com/ask/uploadfile/5499001-5502000/7953321cf378e46b1e9d47bfb6637091.png' />和<img src='https://img2.soutiyun.com/ask/uploadfile/5499001-5502000/20b08680be5b4effb9d6d2076513acdc.png' />，并画出其相量图。 <img src='https://img2.soutiyun.com/ask/uploadfile/5499001-5502000/bbdcd7c3cadc288f80e41810febcd2b9.png' />

<img src='https://img2.soutiyun.com/ask/2020-09-14/968971604757546.png' />

二极管检波电路如图所示，设K_d=1，求下列情况下的输出电压V₀(t)，并定性画出其波形。 <img src='https://img2.soutiyun.com/ask/2020-08-28/967471888670735.png' /> <img src='https://img2.soutiyun.com/ask/2020-08-28/967471896518184.png' />

<img src='https://img2.soutiyun.com/ask/2020-08-19/966716598259878.png' />

<img src='https://img2.soutiyun.com/ask/2020-11-16/97440849814341.png' />

电路如图P1.3所示,已知u_i=5sinωt(V),二极管导通电压U_D=0.7V.试画出u_i与u₀的波形图,并标出幅值. <img src='https://img2.soutiyun.com/ask/2021-01-08/978983536147222.png' />

斜率鉴频电路如图NP5-18(a)所示，已知调频波<img src='https://img2.soutiyun.com/ask/2021-02-26/983186047521614.png' />试画出鉴频特性<img src='https://img2.soutiyun.com/ask/2021-02-26/983186056728141.png' />的波形(坐标对齐)。 <img src='https://img2.soutiyun.com/ask/2021-02-26/983186066078675.png' />

电路如图题5.7.3所示。设两管的特性一致，β₁=β₂=50，V_BEQ1=V_BEQ2=0.7V。(1)试画出该电路的交流通路，说明T₁,T₂各为何种组态;(2)估算I_CQ1、V_CEQ1,I_CQ2,V_VEQ2。 <img src='https://img2.soutiyun.com/ask/2020-11-27/975339758909001.png' />

<img src='https://img2.soutiyun.com/ask/2020-10-21/972143314097575.jpg' />