Design of very compact Combline Band-Pass Filter for 5G applications

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Publication date
2018-11-13
Author
Al-Yasir, Yasir I.A.
Abd-Alhameed, Raed A.
Noras, James M.
Abdulkhaleq, Ahmed M.
Ojaroudi Parchin, Naser
Keyword
Coupled-line
Microwave filter
Compact size
5G
Band-Pass filter
Rights
This paper is a postprint of a paper submitted to and accepted for publication in the Loughborough Antennas & Propagation Conference (LAPC 2018) and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at IET Digital Library [and IEEE Xplore].
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Abstract
In this paper, a compact microstrip band-pass filter (BPF) covering the 3.4 to 3.8 GHz spectrum bandwidth for 5G wireless communications is presented. The planar filter uses three resonators, each terminated by a via to hole ground at one end and a capacitor at the other end with 50 Ω transmission line impedances for input and output terminals. The coupling between the lines is adjusted to resonate at the centre frequency with third-order band-pass Butterworth properties. The proposed combline filter is designed on an alumina substrate with a relative dielectric constant of 9.8 and a very small size of 9×5×1.2 mm3. The proposed filter is simulated and optimized using CST microwave studio software.
URI
http://hdl.handle.net/10454/16682
Version
Accepted manuscript
Citation
Al-Yasir YIA, Abd-Alhameed RA, Noras JM et al (2018) Design of very compact Combline Band-Pass Filter for 5G applications. The Loughborough Antennas & Propagation Conference (LAPC 2018) Nov 12-13, Loughborough, UK.
Link to publisher’s version
https://doi.org/10.1049/cp.2018.1482
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