摘要
设计了利用金属丝筛网扩散组法的氡子体放射性气溶胶粒径分布监测系统的硬件测量电路,包括电荷灵敏前置放大器电路、主放大器电路、单片机控制电路、串口通行电路以及与LCD显示接口电路等部分.其中重点对电荷灵敏前置放大器做了性能测试,取得了较好的结果.
Circuit design of radon daughters radio-aerosol particle size distribution measurement is based on metal wire diffusion groups, which contains charge-sensitive preamplifier circuit and main amplifier circuit, single-chip microcomputer control circuit, Serial communication circuit, LCD interface circuit and so on. Especially, after testing the capacity of charge-sensitive preamplifier circuit, the result is good.
出处
《南华大学学报(自然科学版)》
2013年第1期27-30,22,共4页
Journal of University of South China:Science and Technology
关键词
筛网扩散组法
电荷灵敏前置放大器
性能测试
metal wire diffusion groups
charge-sensitive preamplifier circuit
thetesting capacity