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首页> 外文期刊>Applied Computational Electromagnetics Society journal >A Novel Compact Microstrip Low-pass Filter with a Wide Rejection-Band and Sharp Roll-Off using Star-Shaped Resonator
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A Novel Compact Microstrip Low-pass Filter with a Wide Rejection-Band and Sharp Roll-Off using Star-Shaped Resonator

机译：一种新颖的紧凑型微带低通滤波器，采用星状谐振器，具有宽禁带和尖锐滚降

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摘要

In this paper, a novel compact microstrip Low-Pass Filter (LPF) with a wide rejection-band and sharp roll-off using a star-shaped resonator is presented. The proposed LPF provides some significant features, such as simple structure, low insertion-loss less than 0.1 dB from DC to 2.391 GHz in the pass-band and expanded stop-band with an attenuation level better than -20 dB from 2.842 GHz up to 20.65 GHz. The transition band is 0.27 GHz from 2.57 GHz to 2.84 GHz, with corresponding attenuation levels of -3 dB and -20 dB, respectively. The filter with a -3 dB cutoff frequency of 2.57 GHz has been designed, fabricated and tested, where the measurement results are in good agreement with the simulation results. The overall size of the proposed LPF is only 11.4 mm x 13.6 mm.
机译：在本文中，提出了一种新颖的紧凑型微带低通滤波器（LPF），该滤波器具有较宽的抑制带和使用星形谐振器的陡峭滚降。拟议的LPF具有一些重要特性，例如结构简单，通带内从DC到2.391 GHz的低插入损耗小于0.1 dB，扩展阻带的扩展级从2.842 GHz直至-20 dB以上。 20.65 GHz。从2.57 GHz到2.84 GHz的过渡带为0.27 GHz，相应的衰减水平分别为-3 dB和-20 dB。设计，制造和测试了具有3.57 GHz截止频率-3 dB的滤波器，其测量结果与仿真结果非常吻合。提议的LPF的整体尺寸仅为11.4 mm x 13.6 mm。

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