| 摘要 |
The present invention provides a thin film balun according to an embodiment of the present invention includes: an unbalanced transmission line which includes two coils; a balanced transmission line which includes two coils and is electromagnetically coupled to the unbalanced transmission line; a capacitor having one end connected to the balanced transmission line; and a ground terminal 72 connected to the other end of the capacitor. The capacitor 4 is disposed in a region which does not overlap a coil included in the unbalanced transmission line and a coil included in the balanced transmission line.
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