计算机与现代化 ›› 2009, Vol. 8 ›› Issue (8): 47-48,5.doi: 10.3969/j.issn.1006-2475.2009.08.013

• 网络与通信 • 上一篇    下一篇

UHF RFID读写器零中频解调方式的研究与实现

张余明1,蒋泰2   

  1. 1.桂林瀚特信息产业有限公司,广西 桂林 541004;2.桂林电子科技大学,广西 桂林 541004
  • 收稿日期:2009-04-24 修回日期:1900-01-01 出版日期:2009-08-21 发布日期:2009-08-21

Research and Realization of Zero-IF Demodulator Technique for UHF RFID Reader

ZHANG Yu-ming1, JIANG Tai2   

  1. 1.Guilin Hunter Information Industry Co., Ltd., Guilin 541004, China; 2.Guilin University of Electronic Technology, Guilin 542004, China
  • Received:2009-04-24 Revised:1900-01-01 Online:2009-08-21 Published:2009-08-21

摘要: 在对UHF RFID读写器工作原理进行分析的基础上,介绍一种工作在UHF频段下的读写器的射频接口电路,并确定读写器的解调方式,重点对正交零中频解调方式进行研究,并给出读写器的实现方案。

关键词: UHF RFID, 读写器, 射频接口, 正交零中频解调

Abstract: Based on the research work theory for the UHF RFID reader, a new RF interface circuit of reader is introduced. The demodulation techique for reader is selected, and the research focuses mainly on zeroIF quadrature demodulator, gives its solution.

Key words: UHF RFID, reader, RF interface, zero-IF quadrature demodulator

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