| Presentation | 2009-10-22 S-band Internally Matched Class-E GaN HEMT Amplifier Yukio TAKAHASHI, Takashi HIGUCHI, Kazutoshi MASUDA, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | A Class-E amplifier is designed at S-band with our inhouse developed GaN HEMTs. The Class-E amplifier generally described by the time-domain concept can achieve high efficiency performance through switching operation. We have designed the amplifier using a frequency-domain concept instead and integrated all the input/output matching circuitry into one single package. It can achieve an output power of 100W and a drain efficiency of 72.3% at 2.6GHz and the drain efficiency is more than 70% between 2.55GHz and 2.85GHz under pulse operation with an applied drain voltage of 22V. With an applied 18V drain voltage, it can realize a maximum drain efficiency of 78.1% and an output power of 60W at 2.7GHz and the drain efficiency is more than 70% between 2.5GHz and 2.9GHz. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Microwave / Amplifiers / Class-E / S-band / Internally matched / high efficiency / high power |
| Paper # | EMCJ2009-50,MW2009-99 |
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| Conference Information | |
| Committee | EMCJ |
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| Conference Date | 2009/10/15(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Electromagnetic Compatibility (EMCJ) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | S-band Internally Matched Class-E GaN HEMT Amplifier |
| Sub Title (in English) | |
| Keyword(1) | Microwave |
| Keyword(2) | Amplifiers |
| Keyword(3) | Class-E |
| Keyword(4) | S-band |
| Keyword(5) | Internally matched |
| Keyword(6) | high efficiency |
| Keyword(7) | high power |
| 1st Author's Name | Yukio TAKAHASHI |
| 1st Author's Affiliation | Toshiba Corporation Social Infrastructure Systems Company Komukai Operations() |
| 2nd Author's Name | Takashi HIGUCHI |
| 2nd Author's Affiliation | Toshiba Corporation Corporate Manufacturing Engineering Center |
| 3rd Author's Name | Kazutoshi MASUDA |
| 3rd Author's Affiliation | Toshiba Corporation Social Infrastructure Systems Company Komukai Operations |
| Date | 2009-10-22 |
| Paper # | EMCJ2009-50,MW2009-99 |
| Volume (vol) | vol.109 |
| Number (no) | 241 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |