| 摘要 |
<P>PROBLEM TO BE SOLVED: To configure a low-loss high-frequency transformer capable of obtaining stronger coupling even when the high-frequency transformer is miniaturized and thinned, and to configure a high-frequency component and a communication terminal device having the same. <P>SOLUTION: A coil winding axis of a primary side coil element L10 and coil winding axes of secondary side coil elements L211 and L221 are a common coil winding axis AX1. Winding directions and connection directions of these coil elements are defined so that a direction of a magnetic flux generated by the primary side coil element L10 and a direction of a magnetic flux generated by the secondary side coil elements L211 and L221 become reverse to each other. In addition, winding directions and connection directions of the secondary side coil elements L211, L212, L221 and L222 are defined so that a magnetic flux passing through the adjacent secondary side coil elements L211 and L212 forms a closed loop and a magnetic flux passing through the secondary side coil elements L221 and L222 forms a closed loop. <P>COPYRIGHT: (C)2013,JPO&INPIT |
