Miniaturized Bandpass Filter for Ku-band Applications

M.F. Islam, M. Ali, B. Majlis
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引用次数: 3

Abstract

This paper presents a low cost and low insertion loss Ku-band bandpass filter (BPF) based on inexpensive commercial FR4 (epsivr.= 4.3) substrate. The filter is designed on 0.6 mm-thik substrate using microstrip technology by following the design procedure based on even- and odd-mode impedances of the coupled lines. Microstrip technology is used for simplicity and ease of fabrication. The design and simulation are performed using 3D full wave electromagnetic simulator IE3D. The simulated filter occupies a chip area of 12 times 3 mm2 and achieved an insertion loss of less than 1.0 dB in the passband and maximum return loss of 12.0 dB throughout the operation frequency of Ku-band. The filter has a center fiequency of 16.0 GHz with a 3 dB bandwidth of about 5.8 GHz covering the frequency ranges from 13.2 GHz to 19.0 GHz. This filter is widely used today for the telecommunication satellite in the Ku-band transceivers.
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ku波段应用的小型化带通滤波器
本文提出了一种基于廉价商用FR4 (epsivr)的低成本低插入损耗ku波段带通滤波器。= 4.3)衬底。该滤波器采用微带技术设计在0.6 mm厚的衬底上,根据耦合线的偶模和奇模阻抗进行设计。微带技术用于简单和易于制造。利用三维全波电磁模拟器IE3D进行设计和仿真。仿真滤波器的芯片面积为12 × 3 mm2,在整个ku波段工作频率范围内,通带插入损耗小于1.0 dB,最大回波损耗为12.0 dB。该滤波器的中心频率为16.0 GHz, 3db带宽约为5.8 GHz,覆盖13.2 GHz至19.0 GHz的频率范围。该滤波器目前广泛应用于通信卫星的ku波段收发器中。
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