摘要
分析了A/D采样电路的特点及干扰形式,总结了高精度A/D采样电路的PCB设计规则,完整设计了一个基于CPLD和ADS7809的高精度A/D采样电路,应用结果表明,该高精度采样电路板抗干扰能力强,工作稳定,采样精度符合设计要求。
The characteristics and interference forms of A/D sampling circuit were analyzed, and the design rules for printed circuit board of high-precision A/D boards were summarized. A high-precision A/D circuit board was designed based on CPLD and ADS7809. Practical applications proved that the board had high antiinterference capability and stable performance. The sampling precision also satisfied the design requirements.
出处
《电光与控制》
北大核心
2005年第5期73-75,共3页
Electronics Optics & Control
关键词
干扰分析
A/D采样
电路设计
interference analysis
A/D sampling
circuit design
