模拟电子课程设计报告书, １.断续音效报警音源电路　　２.单极放大电路仿真　内附详细的操作流程,目的原理,及试验截图-Analog Electronics Course Design Report, 1. Intermittent sound audio alarm circuit 2. Unipolar amplifier circuit simulation containing detailed operational procedures, the purpose of principl