STM32F103C+GPS模块 MT2503 主板PDF原理图PCB+AD集成封装库 PCB封装如下： Component Count : 17 Component Name ----------------------------------------------- 0603C 0603R ANT_PND_S ANT _GPS_25*25*4 ANT _GPS_1003 ANT - CHIP-9.5*2.1*1MM C1206 HDR1X2 HDR1X4 Key3*6 LED0603 lm1117 LQFP48_M MT2503D_W121 SIM-5 TP0 XTAL(HC-49)