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一种基于DDS技术400MHZ信号源的设计
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2009-08-14
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文章介绍了DDS 技术的工作原理和AD9954 的结构，设计出了400MHZ 信号源电路图，并给出了部分程序。测试结果表明本设计具有频率分辨率高，功耗低，输出频率信号相位连续，频率转换时间短等优点。该信号源结构简单，广泛用于通信、仪器仪表、
自动控制等领域
关键词： AD9954；高频信号源；电路；串行操作
Abstract: The paper introduces the principle of DDS and the structure of AD9954 , designs a
400MHz signal source circuit, and a part of program is given .The test result indicates that this
design have many excellence performance, such as high frequency resolution, low power cost,
output frequency signal continuous and the time of frequency-shift short. The signal source
has simple structure, and can be used in communication ,equipment and meter, auto-control
extensively.
Key words: AD9954; high frequency signal source; Circuit; Serial operation
自动控制等领域
关键词： AD9954；高频信号源；电路；串行操作
Abstract: The paper introduces the principle of DDS and the structure of AD9954 , designs a
400MHz signal source circuit, and a part of program is given .The test result indicates that this
design have many excellence performance, such as high frequency resolution, low power cost,
output frequency signal continuous and the time of frequency-shift short. The signal source
has simple structure, and can be used in communication ,equipment and meter, auto-control
extensively.
Key words: AD9954; high frequency signal source; Circuit; Serial operation
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