| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a printed circuit board comprising a coaxial connector connection part with small transmission loss when a signal is transmitted at a signal frequency of about 40 GHz. <P>SOLUTION: The coaxial connector connection part is provided with an end face through-hole which is connected to a ground pattern and has a land, and the end face through-hole is positioned in the vicinity of a signal line to suppress transmission loss. <P>COPYRIGHT: (C)2012,JPO&INPIT |
