Results 21 to 30 of about 1,475 (203)

SIW‐backed multiplexing slot antenna for multiple wireless system integration

open access: yesElectronics Letters, Volume 59, Issue 11, June 2023., 2023
A planar cavity is realized by using a novel transmission line known as substrate‐integrated waveguide (SIW) technology. The design comprises five SIW cavities and each one consisting of a slot for launching the energy in free space Abstract In this letter, a planar cavity‐backed multiplexing antenna (SMA) is proposed and validated experimentally.
Divya Chaturvedi   +3 more
wiley   +1 more source

Design and Fabrication of a Novel Ultra Compact Microstrip Diplexer Using Interdigital and Spiral Cells

open access: yesARO-The Scientific Journal of Koya University, 2021
A dual-band bandpass-bandpass microstrip diplexer with very small size and good performance is designed in this work. The proposed diplexer has a novel structure which is introduced for the first time in this paper.
Salah I. Yahya, Abbas Rezaei
doaj   +1 more source

Broadband dual‐podal multilayer Vivaldi antenna array for remote sensing applications

open access: yesIET Microwaves, Antennas &Propagation, Volume 17, Issue 7, Page 505-517, June 2023., 2023
A novel broadband dual‐podal multilayer Vivaldi antenna array for remote sensing application is proposed in this manuscript. The design demonstrates a measured maximum gain of 9.33 dBi, Half Power Beam Width of 126.5° in the H plane, and a maximum Front‐to‐Back ratio of 14.36 dB with an overall antenna size of 29 × 21 × 1.63 mm.
Muhammad Nasir   +5 more
wiley   +1 more source

Combined signal‐interference/split‐type microwave multi‐band bandpass filters

open access: yesIET Microwaves, Antennas &Propagation, Volume 17, Issue 7, Page 583-593, June 2023., 2023
Two classes of RF/microwave planar quad‐band bandpass filters (BPFs) that simultaneously exploit transversal signal‐interference and multi‐passband‐splitting mechanisms are reported or for experimental–demonstration purposes, two microstrip prototypes are developed and tested. Besides, as a further application, a two‐layer balanced‐circuit version with
Mohamed Malki   +2 more
wiley   +1 more source

Compact diplexer with high isolation based on mixed‐mode triangular substrate integrated waveguide cavities

open access: yesElectronics Letters, Volume 59, Issue 7, April 2023., 2023
A dual‐mode isosceles right triangular (IRT) substrate integrated waveguide (SIW) cavity acting as T‐junction is direct‐coupled with two single‐mode IRT SIW cavities for lower and upper channels, respectively. The proposed diplexer based on the triangular SIW cavity also has advantages of low cost and easy integration with other planar circuits ...
Senshen Deng, Feng Xu, Zichao Zheng
wiley   +1 more source

A Dual‐Band Dual‐Output Filtering Power Amplifier Based on High‐Selectivity Filtering Impedance Transformer

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2023, Issue 1, 2023., 2023
In this brief, a novel filtering impedance transformer with good selectivity and high termination impedance is proposed, of which close‐formed design equations are derived and effectively verified. Then, a dual‐band dual‐output filtering power amplifier (PA) operating at 2.4‐2.6 GHz and 3.4‐3.6 GHz is designed based on the proposed filtering impedance ...
Shuchen Zhen   +5 more
wiley   +1 more source

Novel Meandered Line EBG Filters with Significant Size Reduction Using Sine Tapering

open access: yesInternational Journal of Antennas and Propagation, Volume 2023, Issue 1, 2023., 2023
Tapering electromagnetic bandgap (EBG) structures is a common method in designing microstrip filters with different periodic structures. A novel technique for tapering EBG structures with the amplitude coefficients obtained from the sine function has been illustrated.
S. M. Shakil Hassan   +3 more
wiley   +1 more source

A Compact Horizontal Coaxial to Ridge Gap Waveguide Transition for Ka‐Band

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2023, Issue 1, 2023., 2023
This paper presents a novel type of compact inline coaxial to ridge gap waveguide (RGW) transition, which covers the whole Ka frequency band. The structure connects with the connector′s inner conductor through a rectangular probe directly. The probe is set in nail bed without any extra parts.
Changjian Tao   +3 more
wiley   +1 more source

A Wideband, Sharp Roll‐Off U‐Band Diplexer in Suspended Stripline Technology

open access: yesInternational Journal of RF and Microwave Computer-Aided Engineering, Volume 2023, Issue 1, 2023., 2023
This paper presents a low‐loss, sharp roll‐off, and wideband millimeter‐wave contiguous diplexer implemented on 0.127 mm‐thick TLY5 dielectric material to separate U‐band frequency range into two jointed frequency ranges of 40‐50 GHz and 50‐60 GHz using two low‐pass and high‐pass filter channels. In order to integrate the diplexer in the front end of a
Seyed-Milad Miri   +3 more
wiley   +1 more source

Miniaturised microstrip dipexers for WiMAX applications [PDF]

open access: yes, 2008
Miniaturised microstrip diplexer and bandpass filters using single ring resonators with good transmission and reflection characteristics on each channel for WiMAX applications have been presented. The size of the proposed diplexer is reduced.
Athukorala, L.   +3 more
core   +1 more source

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