A Plasma-Based Approach for High-Power Tunable Microwave Varactors
Fuente:
arXiv
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866915924571848704 |
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| author | Moon, Samsud |
| author_facet | Moon, Samsud |
| contents | This work presents a tunable varactor with tunability in the range of 100s of MHz and a capacitance delta of about 36 pF by employing a perpendicular magnetic field to a capacitively-coupled (CCP) RF plasma cell. A comprehensive high-frequency circuit model for the fabricated varactor is proposed and verified experimentally for a plasma electron number density of $2.95\times10^{17}m^{-3}$ which has a tunability of 146 MHz with a magnetic flux density ranging from 0 to 246 milliTesla. Under a pressure of 64 milliTorrs, the Argon ccp was found to have a variable capacitance ranging from 4 pF to 41.72 pF. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_18068 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A Plasma-Based Approach for High-Power Tunable Microwave Varactors Moon, Samsud Plasma Physics This work presents a tunable varactor with tunability in the range of 100s of MHz and a capacitance delta of about 36 pF by employing a perpendicular magnetic field to a capacitively-coupled (CCP) RF plasma cell. A comprehensive high-frequency circuit model for the fabricated varactor is proposed and verified experimentally for a plasma electron number density of $2.95\times10^{17}m^{-3}$ which has a tunability of 146 MHz with a magnetic flux density ranging from 0 to 246 milliTesla. Under a pressure of 64 milliTorrs, the Argon ccp was found to have a variable capacitance ranging from 4 pF to 41.72 pF. |
| title | A Plasma-Based Approach for High-Power Tunable Microwave Varactors |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2404.18068 |