| 基于差动电压放大器的占空比测量电路设计 |
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| 引用本文： | 戚栋,王宁会,孙炳全.基于差动电压放大器的占空比测量电路设计[J].仪表技术,2004(4):65-66. |
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| 作者姓名： | 戚栋 王宁会 孙炳全 |
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| 作者单位： | 1. 大连理工大学,电气工程系,辽宁,大连,116024
2. 大连民族学院 |
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| 摘 要： | 介绍一种利用占空比与PWM电路补偿端电压之间的关系，设计的以差动电压放大器为核心构成的占空比测量电路；它能以数字显示形式直接给出脉冲电源输出电压的占空比。
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| 关 键 词： | 占空比 脉冲电源 差动电压放大器 脉宽调制 |
| 文章编号： | 1006-2394(2004)04-0065-02 |
| 修稿时间： | 2004年4月1日 |
Design of Duty Ratio Measuring Circuit Based on Differential Voltage Amplifier |
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| QI Dong,WANG Ning-hui,SUN Bing-quan.Design of Duty Ratio Measuring Circuit Based on Differential Voltage Amplifier[J].Instrumentation Technology,2004(4):65-66. |
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| Authors: | QI Dong WANG Ning-hui SUN Bing-quan |
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| Abstract: | A duty ratio measuring circuit,which using differential voltage amplifier as core component,was designed utilizing the relationship between the duty ratio and the compensatory terminal of PWM IC. This circuit can directly display the duty ratio of output voltage of pulse power supply in digital,and provides a simple method for duty ratio measuring. |
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| Keywords: | duty ratio pulse power supply differential voltage amplifier pulse-width modulation(PWM) |
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