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2010-08-25

A Miniaturized Internal Wideband Antenna for Wireless USB Dongle Application

By Jin-Gang Gong, Yong-Chang Jiao, Qiao Li, Jian Wang, and Gang Zhao
Progress In Electromagnetics Research Letters, Vol. 17, 67-74, 2010
doi:10.2528/PIERL10080303

Abstract

A miniaturized internal wideband antenna suitable for integration with the printed circuit board (PCB) of a wireless universal serial bus (WUSB) dongle is presented in this paper. The proposed antenna mainly consists of a folded metal plate with two sides beveled. By introducing a short-circuited pin connected to the system ground and etching a pair of slots in the bevel sides of the folded metal plate, a large impedance bandwidth from 2.4 GHz to more than 11 GHz is obtained, which easily covers the 2.4 GHz WLAN, WiMAX, S-DMB and UWB frequency bands. The effects of the short-circuited pin and the narrow slots on the impedance matching of the proposed antenna are investigated. The proposed antenna is easy to be fabricated by bending a sample metal plate due to its miniaturized geometry of 5×12×12.5 mm3. Details of the antenna design are described, and experimental results of the constructed prototypes are presented and discussed.

Citation


Jin-Gang Gong, Yong-Chang Jiao, Qiao Li, Jian Wang, and Gang Zhao, "A Miniaturized Internal Wideband Antenna for Wireless USB Dongle Application," Progress In Electromagnetics Research Letters, Vol. 17, 67-74, 2010.
doi:10.2528/PIERL10080303
http://www.jpier.org/PIERL/pier.php?paper=10080303

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