【摘要】 介绍微小信号采集电路的硬件、软件设计和工作原理,将采集到的微小信号放大后进行A/D转换,并通过串行通信方式传送到上位机,以便对信号进行分析处理。经对所制作微小信号采集电路的试验测试,测试结果显示,采集电路性能满足设计要求。更多还原

【Abstract】 The design of hardware and software of the circuit for collecting tiny signal and its operating principle has been introduced.So as to analyze and deal with the signal , the collected tiny signal has been ADC after amplified, and send it to the PC through UART.After testing experiment on the circuit of collecting tiny signal, the results turn out that the performance of the circuit for collecting can reach to the request of design.更多还原