| 摘要 |
A high-frequency circuit device includes a distribution circuit (16) for distributing a signal inputted from a signal input terminal (20) to a plurality of first lines (16b) through a branch portion (16a), a synthetic circuit (18) for combining signals inputted from a plurality of second lines (18b) into one through a combined portion (18a) as an output signal and outputting it from a signal output terminal (22), transistors (14) respectively placed between the first lines (16b) of the distribution circuit (16) and the second lines (18b) of the synthetic circuit (18), and Isolators (24) respectively connected between the transistors (14) and the signal input terminal (20) and between the transistors (14) and the signal output terminal (22).
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