现代电子技术
現代電子技術
현대전자기술
MODERN ELECTRONICS TECHNIQUE
2014年
15期
79-82
,共4页
程控信号源%AD7008%频率控制%AD7520%幅度控制
程控信號源%AD7008%頻率控製%AD7520%幅度控製
정공신호원%AD7008%빈솔공제%AD7520%폭도공제
programmable signal source%AD7008%frequency control%AD7520%amplitude control
基于AD7008和AD7520芯片设计了一个可程控信号源,只需通过电脑设置发送控制命令参数,就能够产生频率和幅度符合要求的数字检测信号。详细介绍了该方案的软件和硬件的设计要点以及在调试中应注意的问题。调试结果及实际应用表明该信号源工作稳定,精度较高,频率、幅度控制都非常便利,在电子设备的电路板故障检测中起到了很好的作用。
基于AD7008和AD7520芯片設計瞭一箇可程控信號源,隻需通過電腦設置髮送控製命令參數,就能夠產生頻率和幅度符閤要求的數字檢測信號。詳細介紹瞭該方案的軟件和硬件的設計要點以及在調試中應註意的問題。調試結果及實際應用錶明該信號源工作穩定,精度較高,頻率、幅度控製都非常便利,在電子設備的電路闆故障檢測中起到瞭很好的作用。
기우AD7008화AD7520심편설계료일개가정공신호원,지수통과전뇌설치발송공제명령삼수,취능구산생빈솔화폭도부합요구적수자검측신호。상세개소료해방안적연건화경건적설계요점이급재조시중응주의적문제。조시결과급실제응용표명해신호원공작은정,정도교고,빈솔、폭도공제도비상편리,재전자설비적전로판고장검측중기도료흔호적작용。
A programmable signal source with AD7008 chip and AD7520 chip was designed. By sending the control com-mand parameters through PC settings,the digital detection signal meeting the requirements of frequency and amplitude can be generated. The key points of the software and hardware design on the program and their debugging cautions are introduced in this paper. The debugging results and actual application prove that the signal source works stable,and has high accuracy,conve-nient frequency and amplitude control. It has played a important role in fault detection of circuit boards.