Dual-band LTCC antenna based on 0.95Zn2SiO4-0.05CaTiO3 ceramics for GPS/UMTS applications

doi:10.1088/1674-1056/24/10/108401

Abstract In this paper, we present a compact low-temperature co-fired ceramic (LTCC) dual-band antenna by using the electromagnetic coupling effect concept for global positioning system (GPS) and universal mobile telecommunication system (UMTS) applications. The overall dimension of the antenna is 8.6 mm × 13.0 mm × 1.1 mm. It consists of double meander lines and a via hole line. The top meander line operates at the upper band, and the bottom radiating patch is designed for the lower band. The via-hole line is employed to connect the double meander lines. Because of the effect of the coupled line, total dimension of the proposed antenna is greatly reduced. With the 2.5: voltage standing wave ratio (VSWR) impedance bandwidth definition, the lower and upper bands have the bandwidths of 110 MHz and 150 MHz, respectively. The proposed antenna is successfully designed, simulated, and analyzed by a high frequency structure simulator (HFSS). And the antenna is manufactured by using the 0.95Zn₂SiO₄-0.05CaTiO₃ ceramics (ε_r=7.1, tanδ=0.00038) that is prepared by ourselves. The results show that the antenna is compact, efficient, and of near omnidirectional radiation pattern.

Keywords: low-temperature co-fired ceramic compact antenna microwave dielectric Zn₂SiO₄-CaTiO₃

Received: 01 May 2015
Revised: 31 July 2015
Accepted manuscript online:

PACS:	84.40.Ba	(Antennas: theory, components and accessories)
	84.40.-x	(Radiowave and microwave (including millimeter wave) technology)

Fund: Project supported by the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 20133718120009), the Natural Science Foundation of Shandong Provence, China (Grant Nos. ZR2013FQ002 and ZR2014FQ006), the China Postdoctoral Science Foundation (Grant No. 2014M551935), the Qingdao Municipality Postdoctoral Science Foundation, China, and the Scientific Research Foundation of Shandong University of Science and Technology for Recruited Talents, China (Grant Nos. 2013RCJJ042 and 2014RCJJ052).

Corresponding Authors: Dou Gang
E-mail: skd_yizu@163.com

Cite this article:

Dou Gang (窦刚), Li Yu-Xia (李玉霞), Guo Mei (郭梅) Dual-band LTCC antenna based on 0.95Zn₂SiO₄-0.05CaTiO₃ ceramics for GPS/UMTS applications 2015 Chin. Phys. B 24 108401

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Dual-band LTCC antenna based on 0.95Zn2SiO4-0.05CaTiO3 ceramics for GPS/UMTS applications

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Dual-band LTCC antenna based on 0.95Zn₂SiO₄-0.05CaTiO₃ ceramics for GPS/UMTS applications