Improved compact, wideband, low-dispersion, metamaterial-based MEMS phase shifters

Gholizadeh, V. and Ning, Y. and Luo, X. and Palego, C. and Hwang, J. and Goldsmith, C. (2015) Improved compact, wideband, low-dispersion, metamaterial-based MEMS phase shifters. In: IEEE International Wireless Symposium, Shenzen, China, March 2015.

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This paper reports compact, wideband, low-dispersion, metamaterial-based phase shifters with lower loss, wider bandwidth, and fewer MEMS switches than previous designs. The present design is based on a novel 90° unit cell which uses two synchronized MEMS switches that are actuated and unactuated in unison for the through and delayed states, respectively. By combining three of these 90° unit cells with a 45° unit cell of previous design, a 3-bit phase shifter is designed to have smaller than 8 mm2 footprint, less than 20° root-mean-square phase error, less than 2.0 dB insertion loss, and higher than 17 dB return loss between 22 GHz and 27 GHz.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: Research Publications
Departments: College of Physical and Applied Sciences > School of Electronic Engineering
Date Deposited: 14 Jan 2016 03:53
Last Modified: 21 Jan 2016 03:15
URI: http://e.bangor.ac.uk/id/eprint/6087
Identification Number: DOI: 10.1109/IEEE-IWS.2015.7164636
Publisher: IEEE publishing
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