| 摘要 |
<p>A printed circuit board includes a printed wiring board and a transmission circuit implemented on the printed wiring board and transmitting digital signals. The printed wiring board connected to the transmission circuit includes a main wiring pattern transmitting digital signals and a first wiring pattern having a connection end connected to the main wiring pattern and an open end. The printed wiring board further includes a second wiring pattern having a grounded end and an open end and extending in a direction in which the first wiring pattern extends. The second wiring pattern is disposed such that the grounded end of the second wiring pattern is disposed adjacent to the connection end or the open end of the first wiring pattern. By this, a printed circuit board capable of suppressing EMI is provided while increase in size of the printed wiring board is avoided.</p> |
