已知Rs触发器，R、S、c端的信号如图所示，请问输出端Q的几种波形中，哪一个是正确的？（设触发器初始状

A . 图A B . 图B C . 图C D . 图D

A . RS＝0 B . R＋S=I C . RS＝l D . R＋S=0

A . XB .https://assets.asklib.com/psource/2015110111564837771.jpg C . 1D . 0

A . A.RS＝0 B . B.R＋S=I C . C.RS＝l D . D.R＋S=0

A . 维持不变 B . 变为0 C . 变为1 D . 无法判断

A．RS＝0 B．R＋S=I C．RS＝l D．R＋S=0

在图所示的由与非门组成的基本RS触发器中，加入图示的S和R波形，画出触发器Q和<img src='https://img2.soutiyun.com/latex/latex.action' />输出端的波形。假设触发器的初始状态为0。 <img src='https://img2.soutiyun.com/ask/5478001-5481000/3349130c74cbd2f10d64575614e954b3.jpg' />

<img src='https://img2.soutiyun.com/ask/2021-01-07/978893926334385.png' />

A．0 B．不定 C．1 D．在0与1之间振荡

<img src='https://img2.soutiyun.com/shangxueba/ask/18381001-18384000/18381704/2015110111311967106.jpg' /> A．<img src='https://img2.soutiyun.com/shangxueba/ask/18381001-18384000/18381704/2015110111313843578.jpg' /> B．<img src='https://img2.soutiyun.com/shangxueba/ask/18381001-18384000/18381704/2015110111315151618.jpg' /> C．<img src='https://img2.soutiyun.com/shangxueba/ask/18381001-18384000/18381704/2015110111320582310.jpg' /> D．<img src='https://img2.soutiyun.com/shangxueba/ask/18381001-18384000/18381704/2015110111323019711.jpg' />

画出图题5-5所示的边沿触发D触发器输出端Q端的波形，输入端D与CLK的波形如图所示。(设Q初始状态为0) <img src='https://img2.soutiyun.com/ask/2020-02-13/950440477456028.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' />

画出图题5-6所示的边沿D触发器输出Q端的波形，CLK的波形如图所示。(设Q初始状态为0) <img src='https://img2.soutiyun.com/ask/2020-02-13/950440530582657.png' />

<img src='https://img2.soutiyun.com/ask/2020-10-09/97110146748717.jpg' />

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

<img src='https://img2.soutiyun.com/ask/2020-09-06/968237247418112.png' />

已知控制系统结构图如图所示，求输入r(t)=3×1(t)时系统的输出c(t)。 <img src='https://img2.soutiyun.com/1/2021-03-09/984160644914232.png' />

已知输入信号A、B的波形如下图所示，试画出(b)、(c)中两个触发器Q端的输出波形，设触发器初态为0。 <img src='https://img2.soutiyun.com/ask/2020-12-24/977677873955978.jpg' /> <img src='https://img2.soutiyun.com/ask/2020-12-24/977677890587929.jpg' />

A．/R/S=00 B．/R/S=10 C．/R/S=01 D．/R/S=11

画出图题5-10所示的JK触发器输出端Q端的波形，CLK的波形如图所示。(设Q初始状态为0) <img src='https://img2.soutiyun.com/ask/2020-02-13/950440690196003.png' />

(1)计算静态值I_B，I_c，U_cE; (2)画出微变等效电路，求两个输出端的电压放大倍数<img src='https://img2.soutiyun.com/ask/2020-11-15/974326186869807.png' /> (3)求该电路输入电阻ri和两个输出端的输出电阻r₀₁和r₀₂ (4)如果输入信号是正弦信号，试对比输入信号定性画出输出电压u₀₁及u₀₂波形; (5)找出电路的反馈元件，如果从集电极输出电压，属何种类型反馈？如果从发射极输出电压，属何种类型反馈？ <img src='https://img2.soutiyun.com/ask/2020-11-15/974326193406181.png' />