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Meander line millimetre-wave liquid crystal based phase shifter

Bulja, S and Mirshekar-Syahkal, D (2010) 'Meander line millimetre-wave liquid crystal based phase shifter.' Electronics Letters, 46 (11). 769 - 771. ISSN 0013-5194

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Abstract

A liquid crystal (LC) based inverted microstrip meander line phase shifter is presented. The control of phase shift is achieved through use of an external electric field. To facilitate on-wafer measurements and the application of the electric field to the LC, a specially developed transition from the inverted microstrip line to the CPW is used. The performance of the proposed meander line phase shifter is tested using two LC mixtures: first, the standard LC mixture, commonly referred to as E7, while the second mixture is known as MDA-00-3506. A differential phase shift of 202° is achieved with the phase shifter using E7 and 270° using MDA-00-3506 at 50GHz for a 50mm-long microstrip line meandered into a length of 7.67mm. The results are discussed. © 2010 The Institution of Engineering and Technology.

Item Type: Article
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Jim Jamieson
Date Deposited: 08 Sep 2014 15:35
Last Modified: 17 Aug 2017 17:50
URI: http://repository.essex.ac.uk/id/eprint/9928

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