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Mobile Phone Antenna Modelling

Umut Bulus

ISBN 10: 3639289625 / ISBN 13: 9783639289626
Published by VDM Verlag, 2010
New Condition: New Soft cover
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About this Item

80 pages. Dimensions: 8.7in. x 5.9in. x 0.2in.In this book, an important principle in mobile phone antennas is described. An equivalent circuit representation of the antenna element, the coupled PCB chassis and the coupling between them were analyzed. The investigation of the coupling was by 2 port measurements of the two radiators in the antenna-chassis combination. The chassis was tested as a dipole antenna by cutting two arms from the middle at different angles. Several types of balun transformers were used to measure the (chassis-) dipole experimentally. The antenna element was mounted on the (chassis-)dipole to investigate the coupling. The coupling was measured for orientation, and different positions of the antenna element. The relation between the coupling of antenna and (chassis-) dipole and the bandwidth of the combined antennachassis system has been recognized. The accuracy of the measurement was also tested by comparison with simulations using an electromagnetic simulation tool. The modeling of all the structure is performed by using the measured data and the model is improved by tuning the center frequency of the chassis. This item ships from multiple locations. Your book may arrive from Roseburg,OR, La Vergne,TN. Bookseller Inventory # 9783639289626

Bibliographic Details

Title: Mobile Phone Antenna Modelling

Publisher: VDM Verlag

Publication Date: 2010

Binding: Paperback

Book Condition: New

Book Type: Paperback

About this title

Synopsis:

In this book, an important principle in mobile phone antennas is described. An equivalent circuit representation of the antenna element, the coupled PCB ?chassis? and the coupling between them were analyzed. The investigation of the coupling was by 2 port measurements of the two radiators in the antenna-chassis combination. The chassis was tested as a dipole antenna by cutting two arms from the middle at different angles. Several types of balun transformers were used to measure the (chassis-) dipole experimentally. The antenna element was mounted on the (chassis-)dipole to investigate the coupling. The coupling was measured for orientation, and different positions of the antenna element. The relation between the coupling of antenna and (chassis-) dipole and the bandwidth of the combined antenna?chassis system has been recognized. The accuracy of the measurement was also tested by comparison with simulations using an electromagnetic simulation tool. The modeling of all the structure is performed by using the measured data and the model is improved by tuning the center frequency of the chassis.

About the Author:

Umut Bulus, Msc.-Eng : Bachelor degree in Istanbul Technical University and Master degree in Duisburg-Essen University. He worked in IMST Gmbh and Fraunhofer Institute in Germany. Researcher in Electromagnetics and Antennas Research Group at TUBITAK, Turkey. His scientific interests concern design and measurement of Antennas & Microwave Structures.

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