电子工业专用设备
電子工業專用設備
전자공업전용설비
EQUIPMENT FOR ELECTRONIC PRODUCTS MANUFACTURING
2014年
10期
45-49
,共5页
DDS(直接数字合成)%Atm ega16波形发生器%实时调频调相
DDS(直接數字閤成)%Atm ega16波形髮生器%實時調頻調相
DDS(직접수자합성)%Atm ega16파형발생기%실시조빈조상
D irect digital synthesis%A tm ega16 w aveform-generator%R eal-tim e frequency and phase adjustable
在分析了DDS工作原理的基础上,开发了一种以Atmega16为主控电路,AD9834芯片为核心的可实时调整频率和相位的波形发生器,详细介绍了该发生器的系统结构和软硬件设计,并给出了实验波形,结果表明该设计可有效应用于不同频率实时调整的信号源当中。
在分析瞭DDS工作原理的基礎上,開髮瞭一種以Atmega16為主控電路,AD9834芯片為覈心的可實時調整頻率和相位的波形髮生器,詳細介紹瞭該髮生器的繫統結構和軟硬件設計,併給齣瞭實驗波形,結果錶明該設計可有效應用于不同頻率實時調整的信號源噹中。
재분석료DDS공작원리적기출상,개발료일충이Atmega16위주공전로,AD9834심편위핵심적가실시조정빈솔화상위적파형발생기,상세개소료해발생기적계통결구화연경건설계,병급출료실험파형,결과표명해설계가유효응용우불동빈솔실시조정적신호원당중。
Basing on analyzing the principle of direct digital synthesis(DDS),a kind of w aveform generator with the real-tim e program m able frequency and phase is developed with Atmega16 m icrocontroller as m ain control circuit,AD 9834 chip as core. The system structure,softw are and hardw are of this generator are detailed introduced. Besides,the test w aveform s are also dem onstrated. The result is show ed this design could be applied efficiently in signal resources with real-tim e adjustable frequency.