Ferrimagnetic Materials at Microwave Frequencies PDF Download
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Author: Bell Telephone Laboratories, inc
Publisher:
ISBN:
Category : Ferrites (Magnetic materials)
Languages : en
Pages : 45
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Book Description
Author: Bell Telephone Laboratories, inc
Publisher:
ISBN:
Category : Ferrites (Magnetic materials)
Languages : en
Pages : 45
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Book Description
Author: Arnold S. Boxer
Publisher:
ISBN:
Category : Ferrites (Magnetic materials)
Languages : en
Pages : 538
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Book Description
Author:
Publisher:
ISBN:
Category : Ferrites (Magnetic materials)
Languages : en
Pages : 99
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Book Description
Author: Ernst Karl Kirchner
Publisher:
ISBN:
Category : Electric resonators
Languages : en
Pages : 208
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Book Description
An experimental and theoretical investigation of frequency doubling using ferrimagnetic materials with microwave resonators is presented. Theoreti cal and experimental results are correlated to obtain a better understanding of the process of frequency doubling with ferrimagnetic materials. The investigation started with an experimental in vestigation of a traveling-wave type frequency doubler. Polycrystalline strips of yttrium iron garnet and of Ferramic R-1 were placed in the traveling-wave type device. Although the effi ciency of the device was low, the experiments served their purpose by verifying the theory developed by Auld, et al. The traveling-wave device also served as a model for the more effi cient traveling-wave ferrite frequency doubler designed by Bady in which he utilized ferrimag netic materials with high anisotropy. (Author).
Author: Benjamin R. Capone
Publisher:
ISBN:
Category : Ferrimagnetism
Languages : en
Pages : 20
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Book Description
The use of magnetostatic modes as a research tool has been suggested. Attempts to utilize this phenomenon for measuring the saturation magnetization of pure YIG samples and gallium substituted YIG samples show this method to be quite accurate for the narrow line width pure YIG material. However, in the measurement of gallium substituted YIG samples, difficulties were encountered in mode identification and interpretation of data. (Author).
Author: Constance C. Preston
Publisher:
ISBN:
Category : Ferrimagnetism
Languages : en
Pages : 40
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Book Description
Author: L. Thourel
Publisher: Elsevier
ISBN: 1483164551
Category : Technology & Engineering
Languages : en
Pages : 115
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Book Description
The Use of Ferrites at Microwave Frequencies describes the applications of ferrites at microwave frequencies and the apparatus involved. Topics covered range from the properties of ferrites to gyromagnetic and non-reciprocal effects, ferrite isolators, circulators, and modulators. The use of ferrites in variable frequency filter cavities is also discussed. Mathematical explanations are reduced to the strict minimum and only the results of calculations are indicated. This book consists of seven chapters and opens with a review of the theory of magnetism, touching on subjects such as the BOHR magneton, diamagnetism and paramagnetism, ferromagnetism and antiferromagnetism, ferrimagnetism, and demagnetizing. The next chapter deals with the elementary theory of gyromagnetic effects and covers the kinetic moment theorem, precession of the spin moment, gyromagnetic resonance, complex permeability, and gyromagnetic effects in the atom. The reader is then introduced to ferrites and their properties; non-reciprocal effects and their applications; and ferrite isolators, circulators, and modulators. The final chapter describes the use of ferrites in the design of cavities whose resonant frequency is controlled by a magnetic field or filters with variable characteristics. This monograph is written primarily for microwave and electronics engineers.
Author: A. J. Baden Fuller
Publisher: IET
ISBN: 9780863410642
Category : Technology & Engineering
Languages : en
Pages : 296
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Book Description
Includes a full mathematical treatment of the interaction of an electromagnetic wave with a gyromagnetic ferrite material.
Author: David B. Cruickshank
Publisher: Artech House
ISBN: 160807093X
Category : Technology & Engineering
Languages : en
Pages : 245
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Book Description
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 OCo insertion loss and intermodulation. This comprehensive reference also covers ancillary materials that are used with microwave magnetic materials, such as dielectrics, absorbers, and conductors."
Author: WESTINGHOUSE ELECTRIC CORP BALTIMORE MD.
Publisher:
ISBN:
Category :
Languages : en
Pages : 1
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Book Description
Contents: General Dispersion relationships Theoretical dispersion relationship of ferro electric materials Theoretical dispersion relationship of ferri magnetic materials Theoretical dispersion relationship in the areas of antiferromagnetism and simultaneous effect Nonlinear requirements of parametric amplifica ti n Propagation in a dispersive medium with an applied magnetic field Microwave coupling and harmonic generation Band width, frequency and noise figure considera tions Ferroelectric-ferrimagnetic amplifier.
