摘要
提出一种基于CPLD(复杂可编程逻辑器件)的数字脉宽调制波形发生器的设计。文中详细介绍以计数器为中心的PWM波形产生原理和设计过程,并给出数字PWM信号发生器的应用实例。测试结果表明,基于CPLD的数字脉宽调制波形具有频率稳定性好、死区时间可控,结构简单和调整灵活等特点,易于实现智能控制。
A new design of digital PWM signal based on CPLD devices is introduced in this paper. By means of good performance of CPLD devices, The design scheme and working principles of digital PWM generator are analyzed in detail. The testing results show that PWM signal realized by CPLD is more stable and easily be controlled. So it is possible that adjusting and monitoring systems by feedback signal.
出处
《微计算机信息》
北大核心
2007年第20期178-179,219,共3页
Control & Automation
基金
上海高校培养优秀青年教师科研专项基金资助(05XPYQ05)
