一种相位可调的低频信号源设计  

Design of Phase Adjustable Low Frequency Signal Source Based on the MCU+CPLD

作　　者：陈国童[1] 廖建庆[1] 

机构地区：[1]宁德师范学院物理与电气工程系,福建宁德352100

出　　处：《长江大学学报（自科版）（上旬）》2013年第9期67-70,5,共4页JOURNAL OF YANGTZE UNIVERSITY (NATURAL SCIENCE EDITION) SCI ＆ ENG

基　　金：福建省教育厅科技资助项目(JB11193);宁德市科技计划资助项目(20110093)

摘　　要：设计一种相位、频率、幅度都可调的两路波形输出的低频信号源。采用单片机和CPLD实现信号源的运算和控制,可充分利用软件支持方便地实现对信号参数的控制和修改。研究表明,利用该方法能保证高速产生的信号灵活可控,从而使系统能够满足设计要求的精度。It presents a design of low-frequency signal source.The phase,frequency and amplitude of the signal source are adjustable.The MCU and CPLD are used to realize the operation and control of signal source.It can make full use of software to support the signals parameters controlled conveniently and modification.It can also guarantee signal produced by high speed and flexible control,so the system can satisfy the precision of the task requirements.

关 键 词：单片机 CPLD 相位 低频信号源 

分 类 号：TN98[电子电信—信息与通信工程]