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Electronics
Special Issues
Substrate Integrated Circuits and Antennas
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Substrate Integrated Circuits and Antennas

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Circuit and Signal Processing".

Deadline for manuscript submissions: closed (15 June 2023) | Viewed by 3700

Special Issue Editors

Dr. Yongqiang Wang

E-Mail Website
Guest Editor
School of Microelectronics, Tianjin University, Tianjin 300072, China
Interests: substrate integrated circuits; substrate integrated suspended line (SISL); passive circuits
Dr. Ningning Yan

E-Mail Website
Guest Editor
School of Microelectronics, Tianjin University, Tianjin 300072, China
Interests: SISL broadband/multimode antenna; SISL dielectric resonant antenna; SISL filter antenna; SISL multi-beam antenna and feed network

Special Issue Information

Dear Colleagues,

RF, microwave, and mm-wave circuits are widely used in modern communications, such as 5G communication, satellite, and radars. It is the most significant trend to make these circuits and systems low cost, small size, light weight, and high performance. The properties of transmission lines, such as losses, size, etc., play vital roles for these circuits and systems. In recent years, substrate integrated transmission lines including substrate integrated suspended line (SISL), substrate integrated waveguide (SIW), substrate integrated coaxial line (SICL), etc., have been widely used in high-performance circuits and systems.

The aim of this Special Issue is to invite worldwide researchers to present their latest work on RF/microwave/mm-wave substrate integrated circuits. Potential topics include, but are not limited to, the following:

(1) Substrate integrated circuits including substrate integrated suspended line (SISL), substrate integrated waveguide (SIW), substrate integrated coaxial line (SICL), etc.

(2) RF/microwave/mm-wave front-end circuits.

(3) Passive circuits including filters, multiplexers, couplers, dividers, baluns, magic-Ts, phase shifters, etc.

(4) Antennas elements and antenna arrays, antenna feeding networks.

Dr. Yongqiang Wang
Dr. Ningning Yan
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • substrate integrated circuits
  • substrate integrated suspended line (SISL)
  • substrate integrated waveguide (SIW)
  • RF/microwave/mm-wave front-end circuits and systems
  • passive circuits
  • active circuits
  • antennas

Published Papers (3 papers)

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Research

13 pages, 5456 KiB  
Article
Broad Stopband, Low-Loss, and Ultra-Compact Dual-Mode Bandpass Filter Based on HMSIRC
by Rusan Kumar Barik, Slawomir Koziel and Anna Pietrenko-Dabrowska
Electronics 2023, 12(13), 2831; https://doi.org/10.3390/electronics12132831 - 26 Jun 2023
Cited by 2 | Viewed by 823
Abstract
In this investigation, an ultra-compact dual-mode bandpass filter (BPF) with a wide stopband response is realized by using a half-mode substrate-integrated rectangular cavity (HMSIRC). The HMSIRC resonator is designed with a cavity that is rectangular in shape and has metallic vias along three [...] Read more.
In this investigation, an ultra-compact dual-mode bandpass filter (BPF) with a wide stopband response is realized by using a half-mode substrate-integrated rectangular cavity (HMSIRC). The HMSIRC resonator is designed with a cavity that is rectangular in shape and has metallic vias along three of the sides. The fourth side is open-ended and contains microstrip feed lines. For the purpose of constructing a magnetic wall, a rectangular slot is cut into each of the HMSIRC’s three edges. In order to produce an electrical wall that may generate a variety of resonances, the side with the open edges is provided with a single metallic via in the center. After that, a second-order BPF is generated by loading a transverse slot in the middle of the BPF, which enables independent frequency regulation of the mode frequencies. The eigen-mode analysis; field distributions; coupling matrix; and full-wave simulation of the proposed HMSIRC filter topology are used to develop the working principle of the filter. A second-order BPF is realized, constructed, and experimentally validated in order to provide evidence that the theory is correct. The BPF prototype achieves satisfactory performance thanks to its compact footprint of 0.028 λg2; its broad passband of 15.9%; its low insertion loss of 0.41 dB; and its wide stopband of 4.36 f0 with a rejection level greater than 20 dB. Both the measured and EM-simulated responses of the BPF are very consistent with one another. Full article
(This article belongs to the Special Issue Substrate Integrated Circuits and Antennas)
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12 pages, 8616 KiB  
Communication
A Filtering Antenna with Slots and Stacked Patch Based on SISL for 5G Communications
by Ningning Yan, Hetian Zhou and Kaixue Ma
Electronics 2023, 12(6), 1331; https://doi.org/10.3390/electronics12061331 - 10 Mar 2023
Cited by 1 | Viewed by 1422
Abstract
A filtering antenna based on the Substrate Integrated Suspended Line (SISL) platform applied for the n78 band of 5G is presented in this paper. The antenna has a segmented feed line, a rectangular driven patch etched with a double I-slot, and a squared [...] Read more.
A filtering antenna based on the Substrate Integrated Suspended Line (SISL) platform applied for the n78 band of 5G is presented in this paper. The antenna has a segmented feed line, a rectangular driven patch etched with a double I-slot, and a squared stacked patch with grooves at the edges of both sides. The etched slots and the stacked patch introduce two new resonance frequencies increasing the bandwidth. Furthermore, the etched slots excite a deep radiation null in the low-frequency band, and the stacked patch coupled with the driven patch produces two deep radiation nulls in the high-frequency band. Three radiation nulls enable high selectivity of the antenna. The filtering antenna works at 3.2–3.89 GHz, which can be applied to the 5G (n78, 3.3–3.8 GHz) frequency band. The peak gain in the band can reach 9.21 dBi, and the out-of-band suppression levels are higher than 18.47 dB. Full article
(This article belongs to the Special Issue Substrate Integrated Circuits and Antennas)
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Graphical abstract

11 pages, 2552 KiB  
Article
Design of Tight Coupling Antenna to Realize Ultra-Wideband Function
by Kunye Wang, Zheng Xu, Chengxiang Hao, Yunkai Deng, Yi Wang, Kaiming Xu and Haitao Xu
Electronics 2023, 12(4), 988; https://doi.org/10.3390/electronics12040988 - 16 Feb 2023
Viewed by 1109
Abstract
In this paper, according to the tightly coupled antenna theory, the dual-polarized tightly coupled antenna of 15–40 GHz is designed. The antenna size is 3.75 mm × 3.75 mm × 2.38 mm, and the spacing between the elements is 3.75 mm. The media [...] Read more.
In this paper, according to the tightly coupled antenna theory, the dual-polarized tightly coupled antenna of 15–40 GHz is designed. The antenna size is 3.75 mm × 3.75 mm × 2.38 mm, and the spacing between the elements is 3.75 mm. The media used from bottom to top are Rogers5880, PP adhesive, RogersTMM10, and feed line using coaxial line directly, with a coaxial line inner core radius of 0.2 mm. Based on the simulations, we find that the antenna can easily cover ±45° and maintain good active standing wave performance. The antenna can support ±60° maximum Angle scanning and maintain good active standing wave performance. Full article
(This article belongs to the Special Issue Substrate Integrated Circuits and Antennas)
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