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EnglishA series tunable graphene attenuator based on commercially acquired graphene nanoplatelets is presented. The attenuator is composed of a microstrip line with a gap. Graphene nanoplatelets are drop-casted in the gap. The transmission scattering parameters can be modified by a bias voltage supplied to the graphene nanoplatelets. Even though the resistance of commercially acquired graphene cannot be brought down beyond a specific value, yet the structure is designed to alter the resistance variation in a desirable range. The resulting dynamic range of transmission is comparable to a similar structure designed by lab grown graphene nanoplatelets. A prototype is fabricated and the simulated results are verified through experiments. The attenuator works from 1 GHz to 10 GHz with a maximum tunable range of up to 10 dB.
Tunable Attenuator based on commercial graphene nanoplatelets / Yasir, M.; Savi, Patrizia. - ELETTRONICO. - (2020), pp. 1-3. ((Intervento presentato al convegno 2020 International Workshop on Antenna Technology (iWAT) tenutosi a Bucharest, Romania nel 25-28 Feb. 2020.
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| Titolo: | Tunable Attenuator based on commercial graphene nanoplatelets | |
| Autori: | ||
| Data di pubblicazione: | 2020 | |
| Abstract: | A series tunable graphene attenuator based on commercially acquired graphene nanoplatelets is pr...esented. The attenuator is composed of a microstrip line with a gap. Graphene nanoplatelets are drop-casted in the gap. The transmission scattering parameters can be modified by a bias voltage supplied to the graphene nanoplatelets. Even though the resistance of commercially acquired graphene cannot be brought down beyond a specific value, yet the structure is designed to alter the resistance variation in a desirable range. The resulting dynamic range of transmission is comparable to a similar structure designed by lab grown graphene nanoplatelets. A prototype is fabricated and the simulated results are verified through experiments. The attenuator works from 1 GHz to 10 GHz with a maximum tunable range of up to 10 dB. | |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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| PostPrint Editore-09083774.pdf | Post print Editore | 2a Post-print versione editoriale / Version of Record | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia |
| PostPrint Autore.pdf | Post Print Autore | 2. Post-print / Author's Accepted Manuscript | PUBBLICO - Tutti i diritti riservati | Visibile a tuttiVisualizza/Apri |
http://hdl.handle.net/11583/2820363
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