| 宽动态范围自动增益电路的设计及应用 |
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| 引用本文： | 袁夕君,张卫民,刘军.宽动态范围自动增益电路的设计及应用[J].仪表技术与传感器,2004(8):33-34,37. |
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| 作者姓名： | 袁夕君 张卫民 刘军 |
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| 作者单位： | 1. 北京理工大学,北京,100081
2. 北京埃德尔博锋检测技术有限责任公司,北京,100044 |
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| 摘 要： | 在分析自动增益(AGC)控制电路工作原理的基础上，设计了一种具有高信噪比、低失真和宽动态范围的自增益控制电路。着重阐明了该电路的硬件设计，并给出了重要参数的设计公式。最后结合管道泄漏相关检测的原理，详细介绍了AGC电路在相关检测仪中的应用。
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| 关 键 词： | 自增益电路 相关检测 压扩器SA571 |
| 文章编号： | 1002-1841(2004)08-0033-02 |
Application and Design of Automatic Gain Control Circuit with Wide Dynamic Range |
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| YUAN Xi-jun,ZHANG Wei-min,LIU Jun.Application and Design of Automatic Gain Control Circuit with Wide Dynamic Range[J].Instrument Technique and Sensor,2004(8):33-34,37. |
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| Authors: | YUAN Xi-jun ZHANG Wei-min LIU Jun |
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| Affiliation: | YUAN Xi-jun~1,ZHANG Wei-min~1,LIU Jun~2 |
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| Abstract: | A new circuit based on the principle of automatic gain control(AGC)circuit was designed,featuring low distortion,high signal-to-noise ratio and wide dynamic range.The hardware circuit design was illustrated in detail and the formulae of important parameters of the circuit were also given.In the end ,the application of the AGC circuit in the correlation detector was introduced,combining with the principium of correlation detecting of the pipeline leakage. |
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| Keywords: | AGC Circuit Correlation Detecting Compandor SA571 |
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