发明名称 Power amplifying apparatus and mobile communication terminal
摘要 A power amplifying apparatus includes an input terminal configured to receive an input signal, a first power amplifier biased for class A or class AB operation which is configured to amplify the input signal, an output terminal connected to an output of the first power amplifier, a second power amplifier biased for class C operation which is configured to receive and amplify a part of the input signal, and a switch connected between an output of the second power amplifier and the output terminal.
申请公布号 US7589589(B2) 申请公布日期 2009.09.15
申请号 US20070840691 申请日期 2007.08.17
申请人 SONY ERICSSON MOBILE COMMUNICATIONS JAPAN, INC. 发明人 KUSUNOKI SHIGEO
分类号 H03F1/14;H03F3/68 主分类号 H03F1/14
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