| 摘要 |
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.
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