摘要
非接触式IC卡解决了无源和免接触难题,目前在很多领域都有非常广泛的应用;非接触式IC读写器是非接触式IC卡应用和开发中的关键环节之一;文中介绍了非接触式IC卡读写器的基本工作原理,阐述了系统的硬件电路设计和软件流程,给出了硬件接口电路图和对IC卡的操作流程图;重点介绍了天线及其匹配电路的设计,完成了硬件的制作和调试;测试表明该方案可行,读写器性能稳定,具有结构简单、价格低、功耗低等优点,读写距离可达12cm,可以广泛应用、具有推广价值。
The contactless IC card brings the solution to the problem of powerless and touch-free of IC card,and it is widely used in lots of fields.The R/W device is a key portion of application and development to contactless IC card.In this paper the basic principle of interrogator is introduced.Then provide the design of hardware configuration and the software flow.The schematic of circuit and the process of operation on IC card are given.Focuses on introducing the design of the antenna and its matching circuits.Complete the hardware＇s debug.The tests show that the scheme is feasible;the operation of the read-writer is stable.The proposed system has advantages such as simple structure,low cost,and low power,and its reading and writing distance can reach to 12cm.It is able to be used widely and possess the developing prospect.
出处
《计算机测量与控制》
CSCD
北大核心
2010年第10期2357-2359,共3页
Computer Measurement &Control
基金
国家自然科学基金(60971016)资助项目
关键词
射频识别
非接触
IC卡读写器
frequency identification
contactless
interrogator
