An electronic system has its frequency properties. Frequency response H(jω) isa function that relates the output response to a sinusoidal input at frequency ω. Ingeneral,frequency response is complex,with real and imaginary parts. We canseparate it into m...[继续阅读]

    The purpose of this experiment is to investigate the principles of Kirchhoffscurrent law and Kirchhoffs voltage law....[继续阅读]

    (a) Common Emitter(b) Common Collector(c) Common BaseFigure 4.1 Three Typical Configurations图4.1 三种典型的放大器配置A BJT (Bipolar Junction Transistor) has three terminals:base,collector,andemitter. Depending on which terminal is “common”,three basic configuration...[继续阅读]

    The front panel of Keysight 1000X-Series oscilloscope is shown in Figure 1.5.The function of the keys and knobs on the panel is listed below:1. Power switch,to switch between “ON”and “OFF”.2. Softkeys. The functions of these keys change based upon the men...[继续阅读]

    Till now,we have collected sufficient information to summarize all the ACcharacteristics of the CE amplifier that we`ve derived:·Current gain Ai=β·Voltage gain Av=-β(RC‖RL)/(rbe)· Input resistance ri=R′b1‖Rb2‖rbe· Output resistance ro=RCDo not use ohmmete...[继续阅读]

    The differential pair can be used as an amplifier with a single-ended input anddual-ended output if one of the inputs is grounded or fixed to a reference voltage.We can construct it by connecting one of two input pins with input signal Vin and theother on...[继续阅读]

    The objectives for this experiment are:1.to study the op-amp differentiator.· building an op-amp differentiator.· investigating the step response of the amplifier.· investigating the frequency response of a practical differentiator.2. to study the op-amp ...[继续阅读]

    emitter:发射极collector:集电极base:基极common-emitter configuration:共射极配置(电路)schematic: 电路原理图voltage divider:分压器biasing:偏置bypass capacitor:旁路电容distortion:失真quiescent point:静态工作点(常简写为Q-point)small signal model:小信号模型input...[继续阅读]

    equivalent circuit:等效电路resistive:电阻性的reactive:电抗性的steady-state response:稳态响应short circuit:短路open circuit:开路direct current circuit:直流电路(常缩写为DC)impedance: 阻抗superposition theorem:叠加定理time-invariant system:非时变系统,时不变系统...[继续阅读]

    Figure 5.1 Differential Amplifier Using BJT图5.1 结型晶体管构成的差动放大器The differential amplifier using two transistors Q1 and Q2 is designed as shownin Figure 5. 1. The third transistor Q3 acts as a constant current source. Thepotentiometer Rp is used to adjust qu...[继续阅读]