摘要
简述了高精度桥式传感器智能仪表电路设计方法，重点介绍了可编程仪表放大器ＡＤ６２５、Ａ／Ｄ转换器ＩＣＬ７１３５等芯片的应用电路，讨论了有关设计原理及一些需要特殊考虑的问题，给出了较为新颖的供桥电源电路和对称跟踪式稳压电源电路，提出了提高精度防止干扰的一些具体措施。
The design of intelligent instrument circuits with high-precision bridge type sensor is briefly described. Amplifier AD625 and A/D convert chip ICL7135 applied circuits used in programmed instruments are emphasized. The power supply circuits of newer providing constant temperature and of symmetrical follow type firm voltage are also introduced, The related working principles and some problems in need of special consideration are discussed.Some practiced measures on raising precision and preventing disturbance are also proposed.
出处
《抚顺石油学院学报》
1997年第4期47-51,57,共6页
Journal of Fushun Petroleum Institute
关键词
桥式传感器
单片机
仪表电路
电路设计
Instrument amplifier
Bridge type sensor
A/D converter
Single_chip microcomputer
