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A Frequency Tunable PIFA Design for Handset Applications.

By Issa T. Elfergani, Raed A. Abd-Alhameed, Mohammed S. Bin-Melha, Chan H. See, Dawei Zhou, Mark B. Child and Peter S. Excell

Abstract

yesA frequency tunable planar inverted F antenna (PIFA) is presented for use in the following bands: DCS, PCS, and UMTS. Initially, the tuning was achieved by placing a lumped capacitor, with values in the range of 1.5 to 4 pF, along the slot of the radiator. The final tuning circuit uses a varactor diode, and discrete lumped elements are fully integrated with the antenna. The antenna prototype is tunable over from 1850 MHz to 2200 MHz, with an associated volume of 21×13.5×5 mm3, making it suitable for potential integration in a commercial handset or mobile user terminal

Topics: Slot antenna, Varactor diode, Planar inverted F antenna (PIFA)
Year: 2010
OAI identifier: oai:bradscholars.brad.ac.uk:10454/4804
Provided by: Bradford Scholars

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