Feasibility Study of Ferrite Use at Mm Waves PDF Download
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Author: C. Vittoria
Publisher:
ISBN:
Category :
Languages : en
Pages : 30
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Book Description
A survey was conducted in order to establish the usefulness of ferrites at millimeter wave frequencies. We expect hexagonal ferrites to be operational up to approximately 500 GHz for non-reciprocal device applications. The limiting factor of these type of ferrites at millimeter wave frequencies may possibly be that the dielectric propagation loss is too high. Beyond 500 GHz antiferromagnetic materials may have to be explored for possible uses. (Author).
Author: C. Vittoria
Publisher:
ISBN:
Category :
Languages : en
Pages : 30
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Book Description
A survey was conducted in order to establish the usefulness of ferrites at millimeter wave frequencies. We expect hexagonal ferrites to be operational up to approximately 500 GHz for non-reciprocal device applications. The limiting factor of these type of ferrites at millimeter wave frequencies may possibly be that the dielectric propagation loss is too high. Beyond 500 GHz antiferromagnetic materials may have to be explored for possible uses. (Author).
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 994
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 1142
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Author:
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ISBN:
Category : Science
Languages : en
Pages : 1048
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Author: F. A. Nennie
Publisher:
ISBN:
Category :
Languages : en
Pages : 17
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Book Description
A cylindrical lithium ferrite rod with a diameter of 1.27 mm and an axial hole of 0.25 mm was placed in the middle of a standard waveguide. Because of mechanical uncertainties we chose for a ferrite length of 10 mm. The average differential saturation phase shift at 92-96 GHZ is 92.5 degrees. Over a 4 GHZ frequency band the differential saturation phase shift is independent of frequency. The insertion loss of 1.5-2.5 dB can be improved. The rise time of the 905 saturation pulse is 100 nsec, the pulse length is 650 nsce and the fall time is 950 nsec. Keywords: Ferrite phase shifter, Feasibility studies, Lithium ferrite, Non-reciprocal, Netherlands. (jhd).
Author: Keith R. Aberegg
Publisher:
ISBN:
Category : Electromagnetic waves
Languages : en
Pages :
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Category : Government publications
Languages : en
Pages : 1062
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Category : Government reports announcements & index
Languages : en
Pages : 1372
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Author:
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Category : Research
Languages : en
Pages : 418
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Author: Vincent G. Harris
Publisher: John Wiley & Sons
ISBN: 1118971485
Category : Science
Languages : en
Pages : 501
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Book Description
MODERN FERRITES, Volume 1 A robust exploration of the basic principles of ferrimagnetics and their applications In Modern Ferrites Volume 1: Basic Principles, Processing and Properties, renowned researcher and educator Vincent G. Harris delivers a comprehensive overview of the basic principles and ferrimagnetic phenomena of modern ferrite materials. Volume 1 explores the fundamental properties of ferrite systems, including their structure, chemistry, and magnetism; the latest in processing methodologies; and the unique properties that result. The authors explore the processing, structure, and property relationships in ferrites as nanoparticles, thin and thick films, compacts, and crystals and how these relationships are key to realizing practical device applications laying the foundation for next generation technologies. This volume also includes: Comprehensive investigation of the historical and scientific significance of ferrites upon ancient and modern societies; Neel’s expanded theory of molecular field magnetism applied to ferrimagnetic oxides together with theoretic advances in density functional theory; Nonlinear excitations in ferrite systems and their potential for device technologies; Practical discussions of nanoparticle, thin, and thick film growth techniques; Ferrite-based electronic band-gap heterostructures and metamaterials. Perfect for RF engineers and magnetitians working in the field of RF electronics, radar, communications, and spintronics as well as other emerging technologies. Modern Ferrites will earn a place on the bookshelves of engineers and scientists interested in the ever-expanding technologies reliant upon ferrite materials and new processing methodologies. Modern Ferrites Volume 2: Emerging Technologies and Applications is also available (ISBN: 9781394156139).
