基于EPP并口的虚拟任意波形发生器的设计  

Design of Virtual Arbitrary Waveform Generator Based on Enhanced Parallel Port

作　　者：王元华[1] 刘文斐[1] 

机构地区：[1]山东教育学院物理科学与技术系,山东济南250013

出　　处：《山东教育学院学报》2009年第3期76-78,共3页Journal of Shandong Education Institute

摘　　要：本文对EPP并口作了简单的介绍,给出了系统的主要技术指标和总体设计方案,分析了硬件电路中各个器件的特性和主要功能,并对其关键部分进行了优化设计,从而实现了波形发生器数字电路部分的功能。最后对上位机的控制软件进行了阐述。实验证明,此任意波形发生器输出精度高、稳定性好、电路简单且容易实现,具有一定的实用价值。The enhanced Parallel Port is introduced firstly. Then the design scheme of the system is given, and the functions of devices used in the hardware circuits are discussed, and the optimized design of the key technology is specified. Consequently the digital circuits of this system are accomplished. And in the end the control software on PC is expounded. The experiment shows that this waveform generator has high precision and good stability, so it has practicability in some ways.

关 键 词：直接数字频率合成(DDS) 增强性并口(EPP) 任意波形发生器 虚拟仪器 

分 类 号：TN741[电子电信—电路与系统]