基于PC/104的激励信号源的设计与实现  

Design and Realization of Actuating Signal Source Based on the PC/104 Embedded Computer

作　　者：仇召辉[1] 岳瑞华[1] 徐中英[1] 

机构地区：[1]第二炮兵工程学院302教研室,陕西西安710025

出　　处：《控制工程》2007年第S2期73-75,共3页Control Engineering of China

摘　　要：介绍了一种基于PC/104的激励信号源的设计方法。此激励信号源模块是PC/104标准尺寸模块,可以提供交直流电压及频率信号,其可靠性及稳定性高,应用范围广。在设计中采用了先进的信号发生技术,其中直流电压信号产生部分采用了反馈校正回路,提高了信号精度;交流及频率信号产生部分采用了直接数字式频率合成技术(DDS),并使用FPGA芯片来实现信号的产生,信号分辨率较高。整个系统具有较高的应用价值。A method of actuating signal source based on PC/104 is introduced.The reliability and stability of the module which is designed based on PC/104 is high.It can make AC/DC voltage and frequency signals,so it is widely used.Advanced technique is adopted for design.Feedback adjustable circuit is used to make DC voltage,so the precision of the signal is high.The direct digital frequency synthesis technique(DDS) is adopted to make AC and frequency signals,and FPGA chip is used to give the signals so that the resolution is high.The system is very valuable for application.

关 键 词：PC/104 激励信号源 直接数字式频率合成技术 FPGA 

分 类 号：TP368.12[自动化与计算机技术—计算机系统结构]