Analysis and experiment on harmonic radiation and frequency tuning of varactor-loaded microstrip antennas

被引：4
|
作者：
Kalialakis, C. [1 ]
Hall, P. S.
机构：
[1] Natl Telecommun & Post Commiss, Thessaloniki Reg Off, Spectrum Dept, EETT, GR-55103 Thessaloniki, Greece
[2] Univ Birmingham, Commun Engn Res Grp, Sch Elect & Elect Engn, Birmingham B15 2TT, W Midlands, England
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2007年 / 1卷 / 02期
关键词：
D O I：
10.1049/iet-map:20060056
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：
Analysis and experiments on microstrip antennas with varactor tuning are presented. Results are given for the frequency tuning of rectangular half and quarter wavelength microstrip antennas. Double tuning range was observed for quarter wavelength antennas. Emphasis is also given to the study of harmonic radiation generated because of the varactor nonlinearities. A description of the varactor model as a nonlinear capacitor in the finite difference time domain method and its validation is reported. Harmonic radiation levels and patterns were measured and investigated by full wave analysis.
引用
收藏
页码：527 / 535
页数：9
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