| 椭圆函数低通滤波器及其在微波频综中的应用 |
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| 引用本文： | 曾飞,周聂.椭圆函数低通滤波器及其在微波频综中的应用[J].压电与声光,2011,33(6). |
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| 作者姓名： | 曾飞 周聂 |
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| 作者单位： | 1. 中国电子科技集团公司第26研究所,重庆,400060
2. 后勤工程学院,重庆,401311 |
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| 摘 要： | 采用滤波器软件综合的方法,设计了一个椭圆函数低通滤波器.与切比雪夫低通滤波器相比,在相同阶数下,椭圆函数低通滤波器拥有更优良的带外特性和更小的尺寸.此外,还介绍了椭圆函数低通滤波器带外抑制极点的调整方法,并从微波网络入手,由于片式电感器Q值的影响,计算出实际测试的椭圆函数低通滤波器带外抑制发生恶化的程度.这种低通滤波器可广泛用于微波频率合成器和其他微波电路中.
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| 关 键 词： | 椭圆函数低通滤波器 频率合成器 Q值 倍频器 下变频器 |
Design of Elliptic Function Low-Pass Filter and its Application to Frequency Synthesizer |
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| ZENG Fei
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ZHOU Nie.Design of Elliptic Function Low-Pass Filter and its Application to Frequency Synthesizer[J].Piezoelectrics & Acoustooptics,2011,33(6). |
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| Authors: | ZENG Fei ZHOU Nie |
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| Affiliation: | ZENG Fei1,ZHOU Nie2(1.26th Institute of China Electronics Technology Group Corporation,Chongqing 400060,China,2.Logistical Engineering University,Chongqing 401311,China) |
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| Abstract: | An elliptic function low-pass filter has been designed by using the Ansoft tool of filter synthesis.Comparing with Tchebyshev low-pass filter,the elliptic function low-pass filter has better out-of-band suppression and smaller size in the same order.The adjustment of the out-of-band suppression pole of the elliptic function low-pass filter has been introduced in this paper;and the out-of-band suppression deterioration owing to Q factor of the inductor has been also calculated.The Elliptic Low-Pass Filter ca... |
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| Keywords: | elliptic low-pass filter frequency synthesizer Q factor frequency multiplier down convertor |
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