大二暑假做的，纯体验。
第一题是考试规矩知情确认。
第二题：
Draw the gate symbols: 'AND', 'OR', 'NOT' and 'XOR'.Write the Boolean expressions and truth tables. Please also draw a"NOR" gate schematic consisting of p-MoS and N-MOS. [10']
非常简单，数电or离散基础。
第三题：
电路分析，矩形波阶跃反馈驱动，误差信号。
a. Fill in the remaining waveforms of the phase voltage waveform Whase, the inductor current /z and the diode currentIdz in CCM mode (inductor current is continuous) and DCM mode (inductor current is discontinuous) in Fig.2. [6']
b. Assume Vdiode=0, Given Yn, Vut L , switch frequency fw, calculate the ripple current of inductor 4l. [7']
c. Which parameters of which components in the circuit affect conversion efficiency? Please list as many as possible. [7']
第四题：
理想放大器模电分析
a. Describe the function of the following circuit and calculate the load current lut. [5’]
b. If we need the MOSFET to turn on as quick as possible, assume Vi can issue an ideal square step, Which parameter of the OP-AMP should we be most concerned about? What is the reason?[8"
c. Where to place a capacitor will help improve the stability of the circuit below? [7']
五六题太长，下篇分享。