Where after introduces the card MF1 IC S500 what is usually used in the cards of Type A, the design method and the circuit of the card reader device ( the device use the radio frequence chip reader module RC500) .

• 紧接着介绍了Type A型常用的卡片MF1 IC S50和对应读卡器的设计方法和电路(使用专用射频读卡集成芯片RC500)。