A varactor based tunable RF filter for multistandard wireless communication receivers
Sign Up to like & getrecommendations! Published in 2019 at "AEU - International Journal of Electronics and Communications"
DOI: 10.1016/j.aeue.2019.02.008
Abstract: Abstract This paper presents the design of a tunable RF filter dedicated for multistandard operation in Software Defined Radio (SDR) receivers. This filter is based on the Dual-Behaviour Resonators (DBR) topology realized in microstrip technology… read more here.
Keywords: multistandard wireless; wireless communication; varactor based; based tunable ... See more keywords
Wideband THz antenna using graphene based tunable circular reactive impedance substrate
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2017.12.197
Abstract: Abstract This letter presents a graphene–based tunable circular reactive impedance substrate (G–CRIS) operating at THz frequency. The proposed RIS is composed of sectoral graphene patch elements, arranged in two concentric rings and printed over silicon… read more here.
Keywords: based tunable; graphene based; tunable circular; graphene ... See more keywords
Single VDTA-Based Tunable Floating Lossy Inductance Simulation Circuits
Sign Up to like & getrecommendations! Published in 2021 at "Iete Journal of Research"
DOI: 10.1080/03772063.2021.1900752
Abstract: In this study, two circuit topologies for simulating tunable lossy floating inductors are proposed. In each design, the simulators make use of a single voltage differencing transconductance amplifi... read more here.
Keywords: based tunable; tunable floating; single vdta; floating lossy ... See more keywords
Ultrasensitive displacement sensor based on tunable horn-shaped resonators
Sign Up to like & getrecommendations! Published in 2018 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/aab05e
Abstract: In this paper, we proposed a novel double-deck displacement sensor with a high linearity based on tunable horn-shaped resonators. The designed sensor included two substrate layers etched with copper metallization in various shapes. When the… read more here.
Keywords: based tunable; displacement sensor; displacement; sensor ... See more keywords
Design of metamaterial- and graphene-based tunable broadband electromagnetic absorber at the terahertz region
Sign Up to like & getrecommendations! Published in 2021 at "Optical Engineering"
DOI: 10.1117/1.oe.60.6.067102
Abstract: Abstract. A metamaterial- and graphene-based broadband terahertz (THz) electromagnetic wave absorber that is composed of a stack of patterned gold film layer, patterned graphene layer, polyimide layer, and silicon layers was studied in detail. Our… read more here.
Keywords: based tunable; metamaterial graphene; graphene; layer ... See more keywords
A graphene-based tunable guided-mode resonance narrowband mid-infrared filter
Sign Up to like & getrecommendations! Published in 2018 at "Modern Physics Letters B"
DOI: 10.1142/s0217984918502275
Abstract: We report a graphene-based tunable ultra-narrowband mid-infrared filter which can be tuned from 4.45122 μm to 4.44675 μm by tuning the Fermi level from 0.2 eV to 0.6 eV. Furthermore, the reflection... read more here.
Keywords: based tunable; graphene based; narrowband mid; mid infrared ... See more keywords
Compact Liquid Crystal Based Tunable Band-Stop Filter with an Ultra-Wide Stopband by Using Wave Interference Technique
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Antennas and Propagation"
DOI: 10.1155/2017/9670965
Abstract: The authors would like to thank the UK Engineering and Physical Sciences Research Council (EPSRC) for the support through the Platform Grant for Liquid Crystal Photonics (EP/F00897X/1). Longzhu Cai thanks Chinese Scholarship Council and Cambridge… read more here.
Keywords: compact liquid; based tunable; liquid crystal; crystal ... See more keywords