Meander line millimetre-wave liquid crystal based phase shifter

S. Bulja; D. Mirshekar-Syahkal

doi:10.1049/el.2010.3513

Meander line millimetre-wave liquid crystal based phase shifter

S. Bulja
, D. Mirshekar-Syahkal

University of Essex

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

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.

Original language	English
Pages (from-to)	769-771
Number of pages	3
Journal	Electronics Letters
Volume	46
Issue number	11
DOIs	https://doi.org/10.1049/el.2010.3513
Publication status	Published - 27 May 2010
Externally published	Yes

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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.",

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N2 - 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.

AB - 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.

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JO - Electronics Letters

JF - Electronics Letters

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Meander line millimetre-wave liquid crystal based phase shifter

Abstract

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