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实用新型
CN201111095Y UHF射频识别读写器 失效 - 权利终止

UHF射频识别读写器
摘要：
本实用新型公开了一种UHF射频识别读写器，可以与工作在超高频(860－960MHz)频段的无源射频识别标签进行远距离无线数据通讯。本实用新型公开的UHF射频识别读写器结构，由射频接口模块和基带处理模块组成。射频接口模块采用零中频电路结构代替传统的超外差混频电路结构，提高了系统的可靠性。基带处理模块采用了动态可配置的模拟信号处理器(DSASP：Dynamically Reconfigurable Analog Signal Processor)作为读写器的基带信号调制平台，采用了可编程模拟系统芯片(Field Programmable Analog Array，FPAA)作为读写器的基带信号解调平台，简化了电路设计，降低了读写器成本。本实用新型的电子标签识别器结构简单，性能稳定，可以适应从便携式到基站式各种不同应用场合的需要。
摘要（英）：

The utility model discloses a UHF RF identification reader-writer which can have long distance wireless communication with a passive power RF identification tag which operates in the UHF frequent range of (860MHz to 960MHz). The utility model discloses a UHF RF identification reader-writer structure which comprises a RF interface module and a base band processing module; the RF interface module adopts a zero-IF circuit structure to replace the super heterodyne mixing circuit in the prior art so that the stability of the system is improved; the base band processing module adopts a dynamically reconfigurable analog signal processor (DRASP) as the base band signal modulation platform of the reader-writer and adopts a field programmable analog array (FPAA) as the base band signal demodulation platform of the reader-writer so that the circuit design is simplified and the cost of the reader-writer is reduced. The electronic tag identifier has the advantages of simple structure and stable performance and is applicable to the requirements of different application situations such as the portable type and the base station type.

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