This design construct an sinusoidal signal generator based on DDS(Direct Digital Frequency Synthesis), completed by MCU AT89S52 and necessary analog circuit.
本设计采用AT89S52单片机，辅以必要的模拟电路，实现了一个基于直接数字频率合成技术（DDS）的正弦信号发生器。
Sinusoidal signal generator sinusoidal signal of the main circuit and systems used to measure the frequency characteristics of the nonlinear distortion, and gain sensitivity and so on.
正弦信号发生器正弦信号主要用于测量电路和系统的频率特性、非线性失真、增益及灵敏度等。
Sinusoidal signal generator sinusoidal signal of the main circuit and systems used to measure the frequency characteristics of the nonlinear distortion, and gain sensitivity and so on.
正弦信号发生器正弦信号主要用于测量电路和系统的频率特性、非线性失真、增益及灵敏度等。
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