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Frontiers of Information Technology & Electronic Engineering

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Miniaturized diplexer with wide-stopband based on half-mode SIW

Author(s): Ziyu ZHOU, Gang DONG^‡ , Xinqing LEI, Zhangming ZHU
Affiliation(s): School of Microelectronics, Xidian University, Xi^’an 710071, China
Corresponding email(s): 22111110508@stu.xidian.edu.cn, gdong@xidian.edu.cn, 23111110115@stu.xidian.edu.cn, zmyh@263.net
Key Words: Diplexer; Substrate integrated waveguide; Miniaturization; Half-mode; Wide-stopband; Intrinsicmode suppression technique

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Ziyu ZHOU, Gang DONG^‡ , Xinqing LEI, Zhangming ZHU. Miniaturized diplexer with wide-stopband based on half-mode SIW[J]. Frontiers of Information Technology & Electronic Engineering,in press.https://doi.org/10.1631/FITEE.2400944

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author="Ziyu ZHOU, Gang DONG^‡ , Xinqing LEI, Zhangming ZHU",
journal="Frontiers of Information Technology & Electronic Engineering",
year="in press",
publisher="Zhejiang University Press & Springer",
doi="https://doi.org/10.1631/FITEE.2400944"
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%T Miniaturized diplexer with wide-stopband based on half-mode SIW
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%A Gang DONG^‡
%A Xinqing LEI
%A Zhangming ZHU
%J Frontiers of Information Technology & Electronic Engineering
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doi="https://doi.org/10.1631/FITEE.2400944"

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A1 - Xinqing LEI
A1 - Zhangming ZHU
J0 - Frontiers of Information Technology & Electronic Engineering
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doi="https://doi.org/10.1631/FITEE.2400944"

Abstract
Chinese Summary
Academic Network
Reviewer Comment

Abstract: A miniaturized diplexer with wide-stopband based on half-mode substrate integrated waveguide (HM‐SIW) is proposed. The diplexer combines dual-mode resonator (DMR) with single-mode resonators (SMRs). The employment of HMSIW technology breaks through the limitations of SMRs on miniaturization, while effectively addressing the limitation on wide-stopband performance that is typically encountered with the TE202 mode in the SMRs. A second-order prototype, centered at 10.34 GHz and 13.9 GHz, has been designed and fabricated, utilizing a TE101/TE301 DMR. The measured out-of-band rejection is better than 20 dB with a frequency of up to 2.16 f ₁. Meanwhile, the size of the diplexer is reduced to 1.363 λ _g².

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