| 摘要 |
PURPOSE:To enable an analog-digital converter to handle any external signal by plugging an external input signal input part in an analog-digital conversion part. CONSTITUTION:On a printed board 1 constituting an analog-digital converter, adapter sockets 7 are provided. An external signal input adapter 6 is plugged in each socket 7. An input adapter 6 is selected in accordance with an external signal, thus achieving plug-in coupling. |
