已知D、R_D波形如图，试画出Q₁，Q₂波形。

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' />

已知下降沿有效的边沿JK触发器CP、J、K及异步置1端<img src='https://img2.soutiyun.com/ask/2021-02-25/983103342552693.png' />、异步置0端<img src='https://img2.soutiyun.com/ask/2021-02-25/983103351825223.png' />的波形如图10.3所示,试画出Q的波形(设Q的初态为0). <img src='https://img2.soutiyun.com/ask/2021-02-25/983103366559066.png' />

<img src='https://img2.soutiyun.com/ask/2020-10-07/970927824241454.png' />

<img src='https://img2.soutiyun.com/ask/2020-09-18/969313846101143.png' />

<img src='https://img2.soutiyun.com/ask/2020-12-17/977062721495834.png' />

有一个逐次比较型4位A/D转换器，输入电压u₁和D/A转换器的输出电压u₀的波形如图9-3(a)、(b)所示。试回答: (1)转换结束时，图9-3(a)、(b)的输出数字量各为多少？ (2)4位D/A转换器的最大输出电压U_Omax=30V,估计图9-3(a)、(b)两种情况下的输入电压范围各是多少？ <img src='https://img2.soutiyun.com/ask/2020-09-06/96823837088237.png' />

图11-16中，与非门与基本RS触发器相连，已知A、B与R的波形如图11-16(b)所示，画出输出Q的波形。 <img src='https://img2.soutiyun.com/ask/2020-07-08/963074764836256.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' />

<img src='https://img2.soutiyun.com/ask/uploadfile/5475001-5478000/1fcbe47aa95e01157c9899c6474fddbe.png' />

图4. 13(a)(教材图4.10)中,A，B和 的波形为已知,试画出<img src='https://img2.soutiyun.com/ask/2020-07-10/96324702962287.png' />，Q和<img src='https://img2.soutiyun.com/ask/2020-07-10/963247044030694.png' />的波形图。 <img src='https://img2.soutiyun.com/ask/2020-07-10/963247061018666.png' /><img src='https://img2.soutiyun.com/ask/2020-07-10/96324707891169.png' /> <img src='https://img2.soutiyun.com/ask/2020-07-10/963247105177192.png' />

s(t)波形如下图所示,试画出其通过匹配滤波器后的输出波形s_o(i),并求S_o(1)出现最大值的时刻和最大值。 <img src='https://img2.soutiyun.com/ask/2020-09-03/968013231187445.png' />

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

①试估算电压放大倍数和 <img src='https://img2.soutiyun.com/ask/2020-09-10/968621949195281.png' />输入、输出电阻R_i、R₀; ②如果不接旁路电容Ca，则=？ <img src='https://img2.soutiyun.com/ask/2020-09-10/968621959958897.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/2020-09-16/969137355232854.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' />

<img src='https://img2.soutiyun.com/ask/2020-11-17/974474321260804.png' />

移位寄存器的逻辑结构图如图3.6(a)所示,CLK和D₀的输入波形如图3.6(b)所示.设Q初始状态为0,画出Q₃~Q₀的波形. <img src='https://img2.soutiyun.com/ask/2021-01-07/978894186282253.png' />

电路如图6-2(a)所示，图(b)为电感电压的波形图，已知R=10Ω，L=4 H，电感电流i_L(0)=0，求电流i_L(t)。 <img src='https://img2.soutiyun.com/ask/2020-08-23/967073690265931.png' />

试画出图NP1-32(a)所示降压一升压型变换电路中达到稳定时<img src='https://img2.soutiyun.com/ask/2021-02-24/983009867414876.png' />各点电压、电流波形(坐标对齐)。设V_D(on)=0。 <img src='https://img2.soutiyun.com/ask/2021-02-24/98300987429627.png' />

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