PROBLEM TO BE SOLVED: To provide a small sized, light weight balanced-to-unbalanced converter with at a low cost that exhibits less deterioration in a balancing degree in an operating state.;SOLUTION: The balanced-to-unbalanced converter is provided with an insulation board 1, first, second and third conductors 8, 9, 10 formed in a belt-shape on the insulation board 1, and a plurality of terminal electrodes 2, 3, 4, 5, 6, 7 formed on the side end faces 1a, 1b of the insulation board 1. The first and second conductors 8, 9 are inductively coupled, each end of the first and second conductors 8, 9 is individually connected to terminal electrodes 2, 35, 6, one terminal of the third conductor 10 is connected to a position nearly in the middle of the second conductor 8 in the length direction, the other terminal is connected to the other terminal electrode 4, and one electrode 3 in the two terminal electrodes 2, 3 connected to the first conductor 8 is used for a ground electrode.;COPYRIGHT: (C)2003,JPO
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