| 摘要 |
A balance filter includes two acoustic wave filters connected between a single unbalanced terminal and two balanced terminals, and a ground terminal connected to the two acoustic wave filters via a first interconnection portion and a second interconnection portion. The first interconnection portion is connected to the two acoustic wave filters, and the second interconnection portion is connected to the first interconnection portion in a region that is located between the two acoustic wave filters and extends in a direction orthogonal to a direction in which the two acoustic wave filters are aligned.
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