AN EpHEMT-BASED DUAL-FUNCTION INTEGRATED ANTENNA FOR PASSIVE RFID TRANSPONDERS

被引：0
|
作者：
Gomez, C. [1 ]
Aballo, T. [1 ]
Garcia, J. A. [1 ]
Mediavilla, A. [1 ]
机构：
[1] Univ Cantabria, Dpto Ing Comunicac, E-39005 Santander, Spain
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2009年 / 51卷 / 04期
关键词：
active antenna; detector; EpHEMT; mixer; rectenna; RFID transponder;
D O I：
10.1002/mop.24240
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 this letter, a passive RFID transponder based oil ail enhancement mode pseudomorphic HEMT (EpHEMT) is proposed. Taking advantage of the slightly positive threshold voltage of this transistor technology, a dual-function detector/mixer circuit with good RF-to-DC and frequency, conversion efficiency has been designed. Such structure has been integrated in a conveniently designed aperture coupled patch, configuring the complete tag unit. On reception of an interrogating signal, the detector switches oil the data generator circuit, being the information signal up-converted near the interrogating frequency hand through an optimized drain mixing configuration. (C) 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1117-1119, 2009: Published online in Wiley Interscience (www.interscience.wiley.com). DOI 10.1002/mop.24240
引用
收藏
页码：1117 / 1119
页数：3
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