正弦波信号发生器的设计与实现

结晶器铜管

基于单片机的信号发生器中　文　摘　要

正弦波信号发生器广泛地应用于电子电路、自动控制系统和教学实验等领域，是工业与实验领域重要的信号激励源tuner接口。

智慧杀虫灯

系统是以STC89C52单片机，AD9850集成电路为核心器件，设计并实现了频率、幅值连续可调的正弦波发生器。通过按键控制可实现正弦波频率的预置和幅度调节，步进精度为1Hz和10Hz，同时通过LCD12864液晶屏显示其对应频率。经测试：系统输出正弦波连续可调，频率范围100Hz ～1MHz，分辨率1Hz；幅值范围1v～10v。高频磁芯

关键词：信号发生器；正弦波；STC89C52；AD9850

压铸机料筒的设计Design and implementation of sine wave signal generator

ABSTRACT

Sine wave signal generator is widely used in electronic circuits, automatic control system and teaching experiment etc., is an important signal source of industrial and experimental field.

STC89C52 microcontroller, AD9850 integrated circuit are the core device of this system.The design and implementation of a sine wave generator frequency, amplitude adjustable. we can achieve the preset of sine wave frequency and adjust of the amplitude through the button control .The stepping accuracy of this design is 1Hz and 10Hz.The system can achieve the function of displaying the corresponding frequency through the LCD12864.After testing:the system output sine wave is continuous and adjustable, the frequency range of 100Hz to 1MHz, the resolution of 1Hz; range 1V ~ 10V.

KEYWORD：Sine wave generator; sine wave; STC89C52 ; AD9850

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标签：频率正弦波信号实现设计领域可调

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