MTK6228手机完整的原理图和PCB,做手机的朋友可以参考一下,非常好(包括蓝牙FM电路)PCB用PADS2007可以打开-MTK6228 phone a complete schematic and PCB, make phone a friend for reference, very good (including Bluetooth FM circuits) PCB can be opened with the PADS2007

BC5蓝牙立体声耳机原理图，BC5蓝牙立体声耳机原理图。-BC5 Bluetooth stereo headset schematic， BC5 Bluetooth stereo headset schematic