Development of an OFDM Power Amplifier with predistortion at SHF band

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Other Title
  • プリディストーション方式SHF帯OFDM電力増幅器の開発(デジタル放送受信技術および一般)
  • プリディストーション方式SHF帯OFDM電力増幅器の開発
  • プリディストーション ホウシキ SHFタイ OFDM デンリョク ゾウフクキ ノ カイハツ

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Abstract

We developed a power amplifier with predistortion for ISDB-T TTL systems. This equipment working at 7GHz band greatly reduces distortions caused by non-linear characteristics of the amplifier. This amplifier with the pre-distorter has excellent C/N ratio of 53dB with an output of 2W(an OFDM average power) and the power efficiency of 2.2%

Journal

  • ITE Technical Report

    ITE Technical Report 26.53 (0), 5-8, 2002

    The Institute of Image Information and Television Engineers

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