Dielectric Materials for Wireless Communication

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A small ceramic component made from a dielectric material is fundamental to the operation of filters and oscillators in several microwave systems. In microwave communications, dielectric resonator filters are used to discriminate between wanted and unwanted signal frequencies in the transmitted and received signal.

When the wanted frequency is extracted and detected, it is necessary to maintain a strong signal. For clarity it is also critical that the wanted signal frequencies are not affected by seasonal temperature changes. In order to meet the specifications of current and future systems, improved or new microwave components based on dedicated dielectric materials and new designs are required.

The recent progress in microwave telecommunication, satellite broadcasting and intelligent transport systems ITS has resulted in an increased demand for Dielectric Resonators DRs. With the recent revolution in mobile phone and satellite communication systems using microwaves as the propagation media, the research and development in the field of device miniaturization has been a major challenge in contemporary Materials Science. In a mobile phone communication, the message is sent from a phone to the nearest base station, and then on via a series of base stations to the other phone.

Dielectric materials for wireless communication

For such a microwave circuit to work, part of it needs to resonate at the specific working frequency. The frequency determining component resonator used in such a high frequency device must satisfy certain criteria. The three important characteristics required for a dielectric resonator are a a high dielectric constant which facilitates miniaturization b a high quality factor Qxf which improves the signal-to-noise ratio, c a low temperature coefficient of the resonant frequency which determines the stability of the transmitted frequency. During the past 25 years scientists the world over have developed a large number of new materials about or improved the properties of known materials.

About papers have been published and more than patents filed in the area of dielectric resonators and related technologies.

Feature: Premix's Dielectric Materials

This book brings the data and science of these several useful materials together, which will be of immense benefit to researchers and engineers the world over. The topics covered in the book includes factors affecting the dielectric properties, measurement of dielectric properties, important low loss dielectric material systems such as perovskites, tungsten bronze type materials, materials in BaO-TiO2 system, Zr,Sn TiO4, alumina, rutile, AnBn-1O3n type materials, LTCC, ceramic-polymer composites etc.

The book also has a data table listing all reported low loss dielectric materials with properties and references arranged in the order of increasing dielectric constant.

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Historical Collection. You do not have JavaScript enabled. Please enable JavaScript to access the full features of the site or access our non-JavaScript page. Issue 53, , Issue in Progress. Previous Article Next Article. From the journal: RSC Advances. You have access to this article.

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Millimeterwave materials: H. Ohsato 6. Other important materials: M. Sebastian and R. Pullar 7. Microwave dielectric properties of glasses and bulk glass ceramics. Jantunen Volume II 9.

Applications of Microwave Materials: A Review

Sudheendran and J. Raju Dielectric inks: J. Varghese and M. Sebastian Polymer-ceramic composites: R.

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Ratheesh and M. Rubber ceramic composites: and L. Namitha and M. Varshney and S. Dhawan Applications of microwave dielectrics: H. Bartsch, A.

Dielectric Materials for Wireless Communication by Mailadil T. Sebastian - Read Online

Ebert, S. Spira, F. Applications of Dielectric Resonators P. Mohanan, S.