这个是MTK6228的手机原理图及PCB板，很有参考价值，其中MIC设计，耳机设计很不错的-This is MTK6228 phone schematic and PCB, a good reference, in which MIC design, the headset design is very good

联发科mtk6228手机方案下载，让你通过这例手机方案来学习mtk手机设计方案，包括原始MTK6228PCB文件（PADS2007）、原理图（ORCAD）、板框及元件的PCB文件（PADS2007）。-MediaTek mtk6228 phone program download, so you go through this example program to learn mtk mobile phone handset design, including the original MTK6

MTK 手机平台MT6260_D_M_S 参考设计pcb板，市面很多手机都少用这个板改的，有三个版本D/M/S-MTK mobile phone platform MT6260_D_M_S reference design pcb board, many mobile phone market have changed little with this board, there are three versions of the D/M/S