- -
目录
1 方案论证与比拟......................................................................................................................... 1
1.1 信号调理模块方案........................................................................................................... 1
1.2 程控增益衰减模块方案................................................................................................... 2
1.3 放大器模块方案............................................................................................................... 3
1.4 峰值检测模块方案........................................................................................................... 3
1.5 控制与显示模块方案....................................................................................................... 4
2 理论分析与计算......................................................................................................................... 6
2.1 前级信号调理................................................................................................................... 6
2.2 程控增益衰减器............................................................................................................... 7
2.3 放大器.............................................................................................................................. 8
2.4 峰值检测.......................................................................................................................... 9
2.5 控制器.............................................................................................................................. 9
3 系统硬件设计........................................................................................................................... 10
3.1 总体设计思路................................................................................................................. 10
3.2 总体电路设计................................................................................................................. 11
4 系统软件设计........................................................................................................................... 13
5 系统调试与误差分析................................................................................................................ 13
5.1 测试仪器........................................................................................................................ 13
5.2 测试结果及分析............................................................................................................. 13
6 总结........................................................................................................................................... 14
参考文献...................................................................................................................................... 14
- . word.zl-