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cd4053

于 2010-03-22 发布 文件大小:731KB
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说明:  摘要:介绍一种基于8051F单片机的数字音频信号源,利用单片机用DDS算法产生音频信号,通过数字电阻衰减器控制音频信号幅度,在0~100dB的幅度范围内实现1dB的步进值,系统计算机接口实现了集中多路衰减量的控制。 关键词:音频;单片机;控制;数字/数字音频信号源;电阻衰减器;C8051F330;CD4053(Abstract: A microcomputer-based 8051F digital audio signal source using DDS algorithm for single-chip computer generated audio signals, digital resistor attenuator control of the audio signal amplitude, in the range of 0 ~ 100dB achieved within 1dB of step value, the system computer interface of the centralized multi-channel attenuation control. Keywords: audio microcomputer control digital/digital audio signal source resistor attenuator C8051F330 CD4053)

文件列表:

cd4053\CD4053(1).pdf
cd4053\cd4053(2).pdf
cd4053

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