Compact, wideband, low-dispersion, metamaterial-based MEMS phase shifters

Palego, C. and Ning, Y. and Gholizadeh, V. and Hwang, J. and Goldsmith, C. (2014) Compact, wideband, low-dispersion, metamaterial-based MEMS phase shifters. In: IEEE MITT-S International Microwave Symposium Digest, Tampa Bay, June 2014.

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Novel phase shifters were designed by using only two MEMS switches to control a metamaterial-based slow-wave structure in each unit cell. A unit cell with an area smaller than 1 mm2 exhibited a phase shift of 54±15°, an insertion loss of less than 0.9 dB, and a return loss of higher than 15 dB between 12 GHz and 18 GHz. Modeling not only agrees with the measured data, but also points out possibilities for future improvement. With compact size and small number of MEMS switches, these phase shifters can have high yield, high reliability and low cost.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: Research Publications
Departments: College of Physical and Applied Sciences > School of Electronic Engineering
Date Deposited: 09 Dec 2014 16:29
Last Modified: 27 Jan 2016 03:36
URI: http://e.bangor.ac.uk/id/eprint/300
Identification Number: DOI: 10.1109/MWSYM.2014.6848247
Publisher: IEEE publishing
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