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Design of a frequency-tunable dual-band planar monopole antenna for handheld terminals

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3 Author(s)
Shuangxi Liu ; Inst. of Microelectron., Southwest Jiaotong Univ., Chengdu, China ; Quanyuan Feng ; Zhiang Wu

A frequency-tunable dual-band planar monopole antenna for handheld terminals is presented. The designed antenna comprises two meander-line strips on a dielectric substrate. A variable capacitor (varactor) is serially attached to one of the strips, which can tune the resonant frequency from 1.9 GHz to 2.6 GHz, while the other strip keeps almost a constant resonant frequency of 3.5 GHz. The proposed antenna is suitable for wireless applications such as PCS (1850-1990 MHz), WiFi (2400-2484 MHz), 2.6 GHz WiMAX and 3.5 GHz WiMAX.

Published in:

Wireless And Optical Communications Networks (WOCN), 2010 Seventh International Conference On

Date of Conference:

6-8 Sept. 2010