【摘要】 介绍了一种具有温度测量功能的碳控仪的设计。该仪表采用单片机软件对放大器的零点和增益进行自动校正,提高了仪表的精度和性能价格比。用CPLD设计实现了键盘扫描电路,简化了单片机接口电路,具有一定的通用性。更多还原

【Abstract】 This paper presents the design of Carbon Potential Controller with temperature measuring.It uses MCU software to carry out calibration for zero and gain factor of amplifier.It can make a precise measurement at low cost. An implement of keypad scanners with CPLD is presented,which simplify the MCU interface circuit.更多还原