Analysis on harmonic radiation of capacitively loaded tunable PIFA based on equivalent circuit

被引：4
|
作者：
Zheng, Yuliang [1 ]
Hristov, Atanas [1 ]
Giere, Andre [1 ]
Scheele, Patrick [1 ]
Jakoby, Rolf [1 ]
机构：
[1] TU Darmstadt, D-64283 Darmstadt, Germany
来源：
FREQUENZ | 2007年 / 61卷 / 9-10期
关键词：
tunable antenna; PIFA; harmonic radiation; equivalent circuit;
D O I：
10.1515/FREQ.2007.61.9-10.213
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：
A novel method based on a wideband equivalent circuit model is proposed to analyze the harmonic radiation of a tunable Planar Inverted-F Antenna (PIFA) tuned by a varactor. The nonlinear relationship between the input power, DC bias voltage and the dynamic RF voltage over the varactor are quantified for a single-band prototype. The radiation power is simulated at the first and second harmonic frequency. The verification is finally presented by measurement.
引用
收藏
页码：213 / 216
页数：4
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