| 一种超低频数字式信号发生器 |
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| 引用本文： | 唐梅. 一种超低频数字式信号发生器[J]. 济南大学学报(自然科学版), 2000, 14(3): 266-268 |
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| 作者姓名： | 唐梅 |
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| 作者单位： | 芜湖机械学校,安徽,芜湖,241000 |
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| 摘 要： | 采用锁相环技术以及EPROM制成低频信号发生器 ,用数字化方式产生正弦波信号 ,其精度和稳定性直接由晶振决定 ,从而使精度和稳定性得到了可靠的保证。该信号发生器与单片机联接 ,可以按设定程序产生不同工况的频率信号 ,满足了医学、科研以及实验教学过程中对各种低频信号源的要求。
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| 关 键 词： | 锁相环 电可编程序只读存储器 计数器 数字一模拟转换器 |
| 修稿时间： | 2000-03-21 |
A Digital Signal Generator |
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| Tang mei. A Digital Signal Generator[J]. Journal of Jinan University(Science & Technology), 2000, 14(3): 266-268 |
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| Authors: | Tang mei |
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| Abstract: | This paper adopts phased-chain and EPROM.It uses digital way obtain signal of Sine Wave,precision and stability straightly depending on ctystal lallice.So precisison and stability are reliable.And this generator can produce frequency signal of various working state,according to procedure which has been offered,for example Square Wave,Sawtooth Wave and so on.In all,this generator can provide various signal that is needed in all,this generator can provide various signal that is needed in the course of experiment. |
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| Keywords: | phased-chain electrically programmable readonly memory counter digital analog converter |
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