| 摘要 |
PROBLEM TO BE SOLVED: To provide a wiring board which effectively reduces outward spread radiation noises. SOLUTION: The wiring board is constituted to input LVDS signals from a pair of input lines 13, 14 to a differential three-line part 24 composed of transmission lines 21, 22, 23 through a first transmission mode converter 20, and outputs current signals from the differential part 24 to a pair of output lines 31, 32 as LVDS signals through a second transmission mode converter 30. The transmission line 22 has a larger line width than that of the transmission lines 21, 23 by a specified ratio so that the signal transmission mode on the differential part 24 becomes a native mode.
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