PROBLEM TO BE SOLVED: To provide an electronic endoscope for making it possible to make an insertion part have a small diameter, by implementing a downsized imaging device capable of obtaining a stable image by reducing noise generated in an image signal with a simple configuration to downsize a tip part of the insertion part.SOLUTION: An imaging device 40 comprises: a solid state imaging element 44 comprising a light receiving element unit 44a for detecting an analyte image circuit substrate units 45, 46 in which electronic components 47, 48 configuring a drive circuit of the solid state imaging element 44 are mounted, and between which level difference is provided and a plurality of cables 51, 52, 53, 54, and 55 connected to cable connection lands provided on the circuit substrate units 45, 46, where an image cable 51 for transmitting an image signal and synchronization signal cable 53 for transmitting a synchronization signal of the plurality of cables 51, 52, 53, 54, and 55 are respectively connected to different surfaces of the circuit substrate units 45, 46 which are separated by the level difference.COPYRIGHT: (C)2015,JPO&INPIT【課題】 簡便な構成で画像信号に発生するノイズを低減して安定した画像が得られる小型な撮像装置となり、挿入部の先端部の小型化を可能として挿入部を細径化できる電子内視鏡の提供。【解決手段】 撮像装置40は、被検体像を検出する受光素子部44aを備えた固体撮像素子44と、固体撮像素子44の駆動回路を構成する電子部品47,48が実装され、段差が設けられた回路基板部45,46と、回路基板部45,46に設けられたケーブル接続ランドと接続される複数のケーブル51,52,53,54,55と、を備え、複数のケーブル51,52,53,54,55のうち、画像信号を伝送する画像ケーブル51および同期信号を伝送する同期信号ケーブル53は、段差により離間する回路基板部45,46の異なる表面に接続されている。【選択図】図4
