On Design and Evaluation of Harmonic Transponders

被引：55

作者：

Rasilainen, Kimmo ^{[1
]}

Ilvonen, Janne ^{[1
]}

Lehtovuori, Anu ^{[1
]}

Hannula, Jari-Matti ^{[1
]}

Viikari, Ville ^{[1
]}

机构：

[1] Aalto Univ Sch Elect Engn, Dept Radio Sci & Engn, FI-00076 Aalto, Finland

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2015年 / 63卷 / 01期

基金：

芬兰科学院;

关键词：

Antenna; detector; diode; harmonic radar; nonlinearity; radio frequency identification (RFID); transponder; varactor; wireless sensors; RADAR; TRACKING; IMPEDANCE; INSECTS; FLIGHT; TAGS;

D O I：

10.1109/TAP.2014.2366193

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：

Performance and characterization of harmonic transponders is investigated both theoretically and experimentally. The harmonic response of a transponder based on a Schottky diode is analytically derived in the case when the excitation power is low. Theoretical calculations prove that at high frequencies, capacitive nonlinearity contributes more to frequency multiplication than resistive nonlinearity. This means that the feasibility of a particular diode for harmonic transponder applications largely depends on its varactor properties. Figures-of-merit (FOM) are derived both for the mixing diode and the transponder antenna. The validity of the proposed theoretical model is investigated experimentally using a harmonic transponder operating at 1 GHz fundamental frequency.

引用

页码：15 / 23

页数：9

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