摘要
测试仪是用来检测检波器各项性能参数,以便准确地确定检波器的好坏。文中对检波器测试仪的信号源电路进行了具体的分析与设计,采用单片机和AD9850芯片,组成电路简单,但频率、幅度和波形都具有较高精度且利用TDA7261芯片可以进行功率放大的信号源,输出波形参数可以在编程时设定,能满足一些特定场合的需要。
The Hydrophone Performance Tester is used to test its performance of parameters so as to ascertain whether it is in good condition or not. This paper has carried on the concrete analysis and the design to the signal source of hydrophone performance tester. By using micro controller and AD9850 chip,we can build up a simple signal source whose frequency,amplitude and waveform are precise and by using Chip TDA7261 it can amplifier the power. Wave parameters can be programmed in advance and the circuit can satisfy some special requirements.
出处
《自动化与仪表》
北大核心
2009年第1期9-12,17,共5页
Automation & Instrumentation
基金
天津市高等学校科技发展基金计划项目(20060622)
精密测试技术及仪器国家重点实验室开放基金
关键词
检波器测试仪
信号源
正弦波
hydrophone performance tester
signal source
sine wave
