1 目录 1. 原理分析（by 张潇） ............................................................................................. 2 1.1 设计任务 ........................................................................................................ 2 1.2 性能指标 ........................................................................................................ 2 1.3 工作原理 ........................................................................................................ 2 2. 方案选择（by 张潇） ............................................................................................. 3 2.1 方案设定 ........................................................................................................ 3 2.2 方案比较 ........................................................................................................ 3 2.3 方案选择 ........................................................................................................ 3 3. 电路原理图绘制及仿真（by 王倩） ..................................................................... 3 3.1 所需元器件型号及数量 ................................................................................ 3 3.2 电路原理图 .................................................................................................... 4 3.3 电路仿真结果 ................................................................................................ 5 4. Pcb 图绘制（by 朱文广） ....................................................................................... 5 4.1 pcb 绘制步骤 ................................................................................................... 5 4.2 pcb 绘制原则 ................................................................................................... 5 4.3 8 路抢答器pcb 图 ........................................................................................... 7 5. 综合调试（by 朱文广） .............
