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

页码：213 / 216

页数：4

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