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Microwave Materials for Wireless Applications

Microwave Materials for Wireless Applications

By (author): David B. Cruickshank
Copyright: 2011
Pages: 248
ISBN: 9781608070930

This practical resource offers you an in-depth, up-to-date understanding of the use of microwave magnetic materials for cutting-edge wireless applications. The book discusses device applications used in wireless infrastructure base stations, point-to-point radio links, and a range of more specialized microwave systems. You find detailed discussions on the attributes of each family of magnetic materials with respect to specific wireless applications. Moreover, the book addresses two of the hottest topics in the field today - insertion loss and intermodulation. This comprehensive reference also covers ancillary materials that are used with microwave magnetic materials, such as dielectrics, absorbers, and conductors.
Garnets -Introduction. Garnet Structure and Chemistry. Magnetism and Ferrimagnetism. Magnetic Ions Behaving Badly. Lanthanides and Dodecahedral Substitution. Octahedral Substitution. Tetrahedral Substitution. Mixed Systems. Rare Earth Substitution. Summary.; Spinels -Introduction. Nickel Spinels. Magnesium Spinels. Lithium Ferrite. Summary.; Absorbers -Introduction. Ni and NiZn Ferrite Absorbers. Water as an Absorber. Barium Titanate Piezoelectrics. Silicon Carbide Absorbers. Magnetic Metal Polymer Composite Materials. Hexagonal Ferrite Absorbers. Summary.; Plastics and Plastic Ceramic Composite Materials -Introduction. Plastics and Hydrocarbon Polymers. Fluorocarbon-Based Polymers. Structural Thermoplastics. Epoxies. Silicones. Polyurethanes. Filled Polymers. Summary. ; Low Dielectric Constant Ceramic Dielectrics -Introduction to Ceramic Dielectrics. Measurement. Applications. Silica and Silicates. High-Temperature and High-Conductivity Materials. Dielectrics for Thick Film and Low Temperature Cofired Ceramic (LTCC) Applications. Summary.; High Dielectric Constant Dielectrics -Introduction. Dielectrics with Dielectric Constants in the Range 20 to 55. The BaTi4O9/Ba2Ti9O20 System. The Zirconium Titanate/Zirconium Tin Titanate System (ZrTiO4/(Zr,Sn)TiO4). Perovskite Materials. High-Q Perovskites. Temperature-Stable Dielectrics with Dielectric Constants Greater Than 55. Commercially Available TTBs. ; Metals at Microwave Frequencies -Introduction. Application of Metals to Microwave Transmission Lines. Copper. Aluminum. Silver. Gold. Relative Losses of Metals in Microstrip and Waveguide Transmission Lines. Nickel. Steels. Magnetic Temperature-Compensating Alloys. Metal Alloys with Low or Zero Expansion Coefficient. Metal Plating on Plastics.; Ferrite Devices -Introduction. Below-Resonance Junction DevicesSelecting the Correct Magnetization. Magnetization Against Temperature. Insertion Loss Considerations Below Resonance. Power Handling in Below-Resonance Junction Devices. Intermodulation in Below-Resonance Junction Devices. Microstrip Below-Resonance Devices. Below-Resonance Linear Devices. Switching and Latching Devices. Temperature Considerations. Above-Resonance Devices. Power Handling in Above-Resonance Devices. Above-Resonance Phase Shifters. Devices at Resonance. ; Resonators and Filters Based on Dielectrics -Introduction. Circuit-Based Resonators. Coaxial Resonators. TE-Based Dielectric Resonator Applications. Dielectric Resonator Loaded Cavities. Dielectric Support Materials. TM Dielectric Resonator-Based Cavities. Intermodulation in Dielectric Loaded Cavities.; Antennas and Radomes -Introduction. Ferrite Rod Antennas for VHF and UHF. Patch Antennas. Ferrite Patch Antennas. Planar Inverted-F Antennas (PIFA). Dielectric Resonator Antennas. Metal Antennas. Radomes. Foam Radome Materials. Ceramic Materials. Microwave and IR Transparent Radomes. Absorbers for Antennas. Phased-Array Antennas. ; Tunable Devices -Introduction. Magnetic Tuning. Lumped Element Magnetically Tunable Filters. Ferrite Phase Shifters. Magnetically Tunable Microstrip Filters. Single-Crystal YIG Resonators. Epitaxial Thin-Film Magnetically Tuned YIG Devices. Ferroelectric-Tuned Devices. Tunable MEMS Devices. Low Temperature and Cryogenic Devices. ; Measurement Techniques -Introduction. Dielectric Constant and Loss. Magnetization. Line Width Measurements. Permeability and Magnetic Loss Spectrum. Intermodulation and Third-Harmonic Distortion Measurement. Density. ; About the Author. Index.;
  • David B. Cruickshank David B. Cruickshank is a microwave materials applications consultant with more than 40 years of R&D experience, applications engineering, engineering management and general management at Ferranti Radar and Racal Electronics in the UK, and Skyworks Trans Tech in the US. He earned his degree in physical chemistry from the University of Edinburgh.
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