| 新型程控信号源设计 |
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| 引用本文： | 金永贤.新型程控信号源设计[J].浙江师范大学学报(自然科学版),2006,29(2):154-157. |
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| 作者姓名： | 金永贤 |
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| 作者单位： | 浙江师范大学,信息科学与工程学院,浙江,金华,321004 |
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| 摘 要： | 微机型继电保护测试仪要求输出多种参数连续可调的信号.为此,设计了一种基于两级D/A转换的程控信号源,此信号源根据要求可以自动调节输出波形的频率、幅值;结合例子分析此信号源的原理及特点.
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| 关 键 词： | 程控信号源 增益调节 放大 继电保护 |
| 文章编号： | 1001-5051（2006）02-0154-04 |
| 收稿时间： | 2004-03-24 |
| 修稿时间： | 2005-04-12 |
The design of a new type program controlled signal generator |
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| JIN Yongxian.The design of a new type program controlled signal generator[J].Journal of Zhejiang Normal University Natural Sciences,2006,29(2):154-157. |
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| Authors: | JIN Yongxian |
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| Institution: | College of Information Science and Engineering, Zhejiang Normal University, Jinhua Zhejiang 321004, China |
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| Abstract: | Microcomputer testing device for relay protection requires output signal with many kinds of parameter adjustable sequentially.For this purpose,a new type of signal amplifier for realizing program-controlled gain based on two grades D/A converter was designed.Applications of this amplifier to produce multi-performance arbitrary signal generator was discussed.The principal and technical characteristic of this generator were illustrated by examples. |
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| Keywords: | program controlled signal generator gain adjustment amplification relay protection |
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