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    • 10. 发明授权
    • Combined cell doherty power amplification apparatus and method
    • 组合式电池功率放大装置及方法
    • US08339196B2
    • 2012-12-25
    • US12967404
    • 2010-12-14
    • Sung-Chul HongJin-Wook Lee
    • Sung-Chul HongJin-Wook Lee
    • H03F3/68
    • H03F1/0288H03F3/602
    • A Doherty power amplification apparatus and method using a combined cell are provided. The Doherty power amplification apparatus includes, a power splitter for splitting an input power, and outputting the split powers to a carrier amplification unit and (N−1) peaking amplification units, wherein the carrier amplification unit, including M carrier power amplifiers, for amplifying power output from the power splitter; the (N−1) peaking amplification units, each of which includes M peaking power amplifiers, for amplifying the respective split powers output from the power splitter, and a power combiner for combining a power amplified by the carrier amplification unit and the respective split powers amplified by the (N−1) peaking amplification units, and for outputting the combined power, wherein N represents an integer obtained by adding a number of the carrier amplification units and a number of the (N−1) peaking amplification units, and M represents an integer which is equal to or more than 1.
    • 提供了一种使用组合电池的Doherty功率放大装置和方法。 Doherty功率放大装置包括:功率分配器,用于分离输入功率,并将分离功率输出到载波放大单元和(N-1)峰化放大单元,其中载波放大单元包括M个载波功率放大器,用于放大 功率分配器的功率输出; 每个包括M个峰值功率放大器的(N-1)个峰值放大单元,用于放大从功率分配器输出的相应的分离功率;以及功率组合器,用于组合由载波放大单元放大的功率和相应的分离功率 (N-1)峰化放大单元放大,并输出组合功率,其中N表示通过将多个载波放大单元和多个(N-1)个峰值放大单元相加得到的整数,M 表示等于或大于1的整数。