A Lightweight 3-D Printed X-Band Bandpass Filter Based on Spherical Dual-Mode Resonators

Cheng Guo; Xiaobang Shang; Jin Li; Michael Lancaster; Jun Xu; Fan Zhang

doi:10.1109/LMWC.2016.2587838

A Lightweight 3-D Printed X-Band Bandpass Filter Based on Spherical Dual-Mode Resonators

Cheng Guo, Xiaobang Shang, Jin Li, Michael Lancaster, Jun Xu, Fan Zhang

Electronic, Electrical and Systems Engineering

Research output: Contribution to journal › Article › peer-review

65 Citations (Scopus)

Abstract

A 3-D printed fourth-order cavity bandpass filter (BPF) centered at 10 GHz and with a 3% fractional bandwidth is presented in this letter. The BPF was designed using two high-Q spherical dual-mode cavity resonators, and was fabricated using a stereolithography-based 3-D printing technique. Compared to dual-mode filters constructed by square or cylindrical resonators, the use of spherical resonator gives a wider spurious-free region. In order to fully exhibit the light weight advantage of additive manufacturing, the redundant material outside of the filter was removed. In addition, rectangular apertures were added through the cavities and waveguide walls without interrupting the surface current distributions, which further yields reduced filter weight as well as easier electroplating. Measured results of the BPF exhibit an excellent agreement with simulations.

Original language	English
Article number	7518641
Pages (from-to)	568-570
Number of pages	3
Journal	IEEE Microwave and Wireless Components Letters
Volume	26
Issue number	8
DOIs	https://doi.org/10.1109/LMWC.2016.2587838
Publication status	Published - 21 Jul 2016

Keywords

3-D printed
Bandpass filter
dual-mode
spherical cavity resonators
stereolithography
X-band

ASJC Scopus subject areas

Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/LMWC.2016.2587838Licence: None: All rights reserved

http://ieeexplore.ieee.org/document/7518641/Licence: None: All rights reserved

Micromachined Circuits For Terahertz Communications
Lancaster, M. (Principal Investigator), Constantinou, C. (Co-Investigator), Dimov, S. (Co-Investigator), Feresidis, A. (Co-Investigator), Gardner, P. (Co-Investigator), Cherniakov, M. (Co-Investigator), Gashinova, M. (Co-Investigator) & Huang, F. (Co-Investigator)
Engineering & Physical Science Research Council
22/06/15 → 22/12/18
Project: Research

Cite this

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abstract = "A 3-D printed fourth-order cavity bandpass filter (BPF) centered at 10 GHz and with a 3% fractional bandwidth is presented in this letter. The BPF was designed using two high-Q spherical dual-mode cavity resonators, and was fabricated using a stereolithography-based 3-D printing technique. Compared to dual-mode filters constructed by square or cylindrical resonators, the use of spherical resonator gives a wider spurious-free region. In order to fully exhibit the light weight advantage of additive manufacturing, the redundant material outside of the filter was removed. In addition, rectangular apertures were added through the cavities and waveguide walls without interrupting the surface current distributions, which further yields reduced filter weight as well as easier electroplating. Measured results of the BPF exhibit an excellent agreement with simulations.",

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AU - Zhang, Fan

PY - 2016/7/21

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A Lightweight 3-D Printed X-Band Bandpass Filter Based on Spherical Dual-Mode Resonators

Abstract

Keywords

ASJC Scopus subject areas

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Projects

Micromachined Circuits For Terahertz Communications

Cite this