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All resonator based LTCC diplexer using substrate integrated waveguides

All resonator based LTCC diplexer using substrate integrated waveguides

Llamas-Garro, Ignacio, Mira, Fermin, Zheng, Peng, Liu, Zhifu, Wu, Lin-Sheng and Wang, Yi (2017) All resonator based LTCC diplexer using substrate integrated waveguides. Electronics Letters. ISSN 0013-5194 (Print), 1350-911X (Online) (doi:https://doi.org/10.1049/el.2017.3029)

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Abstract

A compact diplexer is implemented in Low-Temperature-Cofired-Ceramic (LTCC) technology and consists of six coupled Substrate-Integrated-Waveguide (SIW) cavity resonators stacked in two layers. No transmission-line based junction is used. The couplings between the cavities are achieved through both SIW irises and slots placed in metal layers. The diplexer has two third-order filtering channels, centred at 2.7 and 3.3 GHz with 120 MHz bandwidths. The overall size of the diplexer is 27.74 mm (2.3 λg at 3 GHz) × 10.4 mm (0.86 λg at 3 GHz) × 0.84 mm, achieved by using an LTCC material of a high dielectric constant of 68. Simulations and measurements are in good agreement to demonstrate a compact diplexer based on an all resonator structure using high dielectric constant LTCC material.

Item Type: Article
Uncontrolled Keywords: Diplexer, LTCC, SIW
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Department of Engineering Science
Faculty of Engineering & Science > Future Technology and the Internet of Things
Last Modified: 08 Sep 2017 13:49
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/17612

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