| 超低频有源桥式微分器型陷波器的设计与实现 |
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| 引用本文： | 常丹,蒋宇中,伊鑫.超低频有源桥式微分器型陷波器的设计与实现[J].舰船电子工程,2008,28(10). |
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| 作者姓名： | 常丹 蒋宇中 伊鑫 |
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| 作者单位： | 1. 海军工程大学电子工程学院,武汉,430033
2. 海军蚌埠士官学校信息技术系,蚌埠,233012 |
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| 摘 要： | 在超低频通信系统中50Hz工频干扰是主要的干扰源之一,为了抑制丁频干扰,通常要在前置电路中加入陷波滤波器.介绍一种性能优越的陷波滤波器一有源桥式微分器,推导设计公式,并从得到的转移函数出发,重点分析理论上元件值的偏差对陷波器性能产生的影响;总结设计方法,针对超低频通信系统的工程应用,设计出具体的实现电路,实测表明有源桥式微分器型陷波器性能优越,完全能够满足工程要求.
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| 关 键 词： | 超低频 有源 桥式微分器 陷波滤波器 工频干扰 |
Design and Realization of ELF Active Bridged Differentiator Notch Filter |
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| Chang Dan,Jiang Yuzhong,Yi Xin.Design and Realization of ELF Active Bridged Differentiator Notch Filter[J].Ship Electronic Engineering,2008,28(10). |
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| Authors: | Chang Dan Jiang Yuzhong Yi Xin |
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| Institution: | Chang Dan1) Jiang Yuzhong1) Yi Xin2)(College of Electronic Engineering,Naval Univ.of Engineering1),Wuhan 430033)(Dept.of Information Technology,Naval Petty Officer Academy2),Bengbu 233012) |
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| Abstract: | 50Hz power frequency interference is the main noise in the ELF communication system.To suppress it,a notch filter is needed in pre-stage circuit.This paper describes a high-performance notch filter-the active bridged differentiator notch filter.The design formula is derived and based on the transfer function gained above,the influence of the deflection of components is studied.In addition,the design methods are summarized and aiming at the engineering application of ELF communication system,the detailed cir... |
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| Keywords: | ELF active bridged differentiator notch filter power frequency interference |
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