Directional coupler for UHF mobile RFID reader

被引：0
|
作者：
Jung, Jin-Wook [1 ]
Nae, Kwan-Kyu [1 ]
Thakur, Jay Prakash [1 ]
Cho, Hong-Gu [1 ]
Park, Jun-Seok [1 ]
机构：
[1] Kookim Univ, Sch Elect Engn, Seoul, South Korea
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2007年 / 49卷 / 07期
关键词：
directional coupler; IPD; mobile RFID; passive device;
D O I：
10.1002/mop.22497
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In order to offer RFID services on mobile phones, the RFID reader must be embedded on the handset as a chip. However, the directional coupler was used as a ceramic passive component in conventional handsets. RFID system using an identical Tx/Rx carrier frequency has a significant volume limitation compared with active components. This article presents the directional coupler design for UHF RFID mobile reader using IPD (Integrated Passive Device) process. T and pi-type coupler with dimensions of 1.74 x 1.6 and 1.32 x 1.4 mm(2) were assembled. (C) 2007 Wiley Periodicals, Inc.
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页码：1501 / 1504
页数：4
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