A novel technique for suppressing heat in onboard High-Power amplifiers

Takana Kaho, Yoshinori Nakasuga, Jin Mitsugi, Masazumi Ueba

研究成果: Conference contribution

抄録

Satellite communication systems have entered the mobile multimedia communication era. To support small earth terminals, the satellites must have high levels of effective isotropic radiated power. Onboard high-power amplifier not only need to generate high RF output power, but also to generate as little heat as possible. To address this issue, we present a new technique that reduces the amount of heat generated in high power amplifiers on a satellite. The technique makes use of heat suppression signals so as to maintain the amplifier's power efficiency. The potential impact on satellite systems is presented. To minimize the interference of the heat suppression signals on the carrier, some techniques are proposed using a multi-port amplifier and an antenna array and a reflector.

本文言語English
ホスト出版物のタイトル21st International Communications Satellite Systems Conference and Exhibit
出版ステータスPublished - 2003 12 1
外部発表はい
イベント21st International Communications Satellite Systems Conference and Exhibit, ICSSC 2003 - Yokohama, Japan
継続期間: 2003 4 152003 4 19

出版物シリーズ

名前21st International Communications Satellite Systems Conference and Exhibit

Other

Other21st International Communications Satellite Systems Conference and Exhibit, ICSSC 2003
CountryJapan
CityYokohama
Period03/4/1503/4/19

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Signal Processing
  • Atmospheric Science
  • Electrical and Electronic Engineering
  • Media Technology

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