首页|Compact multilayer dual-band bandpass filter design using stepped impedance resonators

Compact multilayer dual-band bandpass filter design using stepped impedance resonators

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Compact dual-band bandpass filter(BPF)for the 5th generation mobile communication technology(5G)radio frequency(RF)front-end applications was presented based on multilayer stepped impedance resonators(SIRs).The multilayer dual-band SIR BPF can achieve high selectivity and four transmission zeros(TZs)near the passband edges by the quarter-wavelength tri-section SIRs.The multilayer dual-band SIR BPF is fabricated on a 3-layer FR-4 substrate with a compact dimension of 5.5 mm x 5.0 mm x 1.2 mm.The measured two passbands of the multilayer dual-band SIR BPF are 3.3 GHz-3.5 GHz and 4.8 GHz-5.0 GHz with insertion loss(IL)less than 2 dB respectively.Both measured and simulated results suggest that it is a possible candidate for the application of 5G RF front-end at sub-6 GHz frequency band.

5G RF front-endbandpass filter(BPF)stepped impedance resonator(SIR)strip linetransmission zero(TZ)

Han Yunan、Liang Peiyun、Lin Yang、Cheng Chunyue、Yao Yuchen、Jin Ming、Dai Lin

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College of Information Science and Technology,Beijing University of Chemical Technology,Beijing 100029,China

Beijing Institute of Space Launch Technology,Beijing 100076,China

Beijing Institute of Radio Metrology and Measurement,Beijing 100854,China

Liaohe Petroleum Exploration Bureau Communication Company,Panjin 124010,China

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北京市自然科学基金

8202036

2022

中国邮电高校学报(英文版)
北京邮电大学

中国邮电高校学报(英文版)

CSCD
影响因子:0.419
ISSN:1005-8885
年,卷(期):2022.29(5)
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