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Innovative tunable microstrip attenuators based on few-layer graphene flakes

TitleInnovative tunable microstrip attenuators based on few-layer graphene flakes
Publication TypePresentazione a Congresso
Year of Publication2016
AuthorsYasir, M., Bozzi M., Perregrini L., Bistarelli S., Cataldo Antonino, and Bellucci S.
Conference NameMediterranean Microwave Symposium
KeywordsComparative analysis, Electric attenuators, Few-layer graphene, Graphene, Insertion losses, Microstrip lines, Microstripes, Microwave devices, Tunabilities, Tunable microwave devices, Voltage controlled attenuators, Wide-band
Abstract

In this work, two different types of tunable attenuators based on graphene are presented and a comparative analysis of their design and functionality is performed. A preliminary solution of the tunable attenuator has been recently proposed, based on a graphene patch deposited in the gap of a microstrip line: it results in wide band functionality from DC to 20 GHz, with a tunability of 7 dB and minimum insertion loss of 5 dB. A novel enhanced design is proposed, with two graphene patches located between the main microstrip line and two metal vias, located at the two sides of the microstrip line. This solution operates in a frequency band of DC to 5 GHz, with 14 dB tunability and minimum insertion loss of 0.3 dB. © 2016 IEEE.

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85010918125&doi=10.1109%2fMMS.2016.7803867&partnerID=40&md5=3d46b641a002b13f011957e8db2d7471
DOI10.1109/MMS.2016.7803867
Citation KeyYasir2016