Frequency reconfigurable planar inverted-F antenna using switchable radiator and capacitive load

被引：14

作者：

Lim, Jong-Hyuk ^{[1
]}

Song, Chang-Wook ^{[1
]}

Jin, Zhe-Jun ^{[1
]}

Yun, Tae-Yeoul ^{[1
]}

机构：

[1] Hanyang Univ, Dept Elect & Comp Engn, Seoul 133791, South Korea

来源：

IET MICROWAVES ANTENNAS & PROPAGATION | 2013年 / 7卷 / 06期

关键词：

PIFA;

D O I：

10.1049/iet-map.2012.0236

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 frequency reconfigurable planar inverted-F antenna (PIFA) using real PIN-diodes is presented for mobile worldwide interoperability for microwave access (m-WiMAX) applications. This antenna not only alters the frequency band of the m-WiMAX using PIN-diode switching, but it also has a small profile using capacitive load within an FR4 dielectric constant substrate. The PIFA consists of the following: a main radiator, an additional radiator, a band-switchable capacitive load, two PIN-diodes and control circuits. One diode is placed between the main and additional radiator on the top side, and the other is vertically attached between the capacitive load and ground. Depending upon whether the diodes are on or off, the antenna operates over 2.3-2.4, 2.5-2.7 and 3.4-3.6 GHz for worldwide m-WiMAX bands. To investigate the effect of load capacitance, a parametric analysis is performed by sweeping the length and width of the capacitive load. All simulated and measured results for the proposed antenna are presented, and they show excellent agreement.

引用

页码：430 / 435

页数：6

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