使用单片机和DAC 芯片,采用多周期综合技术,可以组成电路十分简单,但频率、幅度和波形都具有较高精度的信号源,输出波形参数可以在编程时设定,能满足一些特定场合的需要。关键字:单片机,数字频率合成,信号源,多周期综合Abstract: Using micro controller, DAC and Multi-periods synthesis, we can buildup a very simple signal source which frequency, amplitude and waveform is precise. Wave parameters can be programmed in advance. The circuit satisfies some special requirements.Keyword: Micro Controller, Digital Frequency Synthesize, Signal Source, Multi circle synthesis
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