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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.
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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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- PublisherVDM Verlag Dr. Müller
- Publication date2010
- ISBN 10 3639289625
- ISBN 13 9783639289626
- BindingPaperback
- Number of pages80
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Mobile Phone Antenna Modelling: Scientific investigation of Mobile Phone Antennas
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Book Description Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -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. 80 pp. Englisch. Seller Inventory # 9783639289626
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Mobile Phone Antenna Modelling Scientific investigation of Mobile Phone Antennas
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ISBN 13: 9783639289626
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Mobile Phone Antenna Modelling : Scientific investigation of Mobile Phone Antennas
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Book Description Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - 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. Seller Inventory # 9783639289626
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Mobile Phone Antenna Modelling
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Book Description Kartoniert / Broschiert. Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Bulus UmutUmut 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. Seller Inventory # 4974506
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