| 摘要 |
A video output system with co-layout structure includes an internal video graphics array (VGA) interface, an external VGA interface and a video output interface. The two VGA interfaces are connected to a connection point through individual leads respectively, then to the video output interface at the connection point through a common lead. The video output system further includes two switches disposed between the internal VGA interface and the connection point and between the external VGA interface and the connection point respectively for blocking the signal stub from flowing to the two VGA interfaces, thereby enhancing the signal quality.
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