节点文献
数字式频率特性测试仪设计
Design of the Frequency Characteristic Instrument
【摘要】 介绍了以单片机AT89C51与DDS频率合成器AD7008构成的频率特性测试仪。它与PC机通过RS-232C口连接,完成被测网络的频率特性的测试及图形的显示、保存与打印。
【Abstract】 This paper introduces the design of the frequency characteristic instrument which consisted of single-chip microcomputer AT89C51 and DDS AD7008. It connects PC with RS-232C, and gives the frequency characteristic drawing of the quizzed network .The boad drawing can be displayed, printed and saved.
【关键词】 直接数字频率合成(DDS);
电子测量;
幅频特性;
相频特性;
单片机;
【Key words】 DDS; electronic measurement; amplitude-frequency characteristic; phase-frequency characteristic; single-chip microcomputer;
【Key words】 DDS; electronic measurement; amplitude-frequency characteristic; phase-frequency characteristic; single-chip microcomputer;
- 【文献出处】 四川轻化工学院学报 ,Journal of Sichuan Institute of Light Industry and Chemical Technology , 编辑部邮箱 ,2002年02期
- 【分类号】TM935
- 【被引频次】12
- 【下载频次】377