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    • 8. 发明申请
    • Antenna switch and radio communication device
    • 天线开关和无线电通信装置
    • US20100227571A1
    • 2010-09-09
    • US12656561
    • 2010-02-03
    • Hideo Oota
    • Hideo Oota
    • H04B1/44
    • H04B1/48
    • An antenna switch selectively connects one of a transmission signal terminal and a reception signal terminal to a common terminal, and includes a plurality of external terminals including the common terminal, the transmission signal terminal, and the reception signal terminal, a semiconductor chip having a plurality of terminals formed therein, and a plurality of bonding wires that connect the external terminals and the plurality of terminals formed in the semiconductor chip. Two bonding wires that are adjacent to each other among the plurality of bonding wires are used as directional couplers.
    • 天线开关选择性地将发送信号端子和接收信号端子之一连接到公共端子,并且包括包括公共端子,发送信号端子和接收信号端子的多个外部端子,具有多个 形成在其中的端子,以及连接外部端子和形成在半导体芯片中的多个端子的多个接合线。 在多个接合线中彼此相邻的两个接合线用作定向耦合器。