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Nonuniform Line Microstrip Directional Couplers and Filters

1993 Technology & Engineering
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Release : 1993
Genre : Technology & Engineering
Kind : eBook
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Book Synopsis Nonuniform Line Microstrip Directional Couplers and Filters by : Sener Uysal

Download or read book Nonuniform Line Microstrip Directional Couplers and Filters written by Sener Uysal. This book was released on 1993. Available in PDF, EPUB and Kindle. Book excerpt: This text sets out to provide a source of design techniques for leading to reduction in expense, size and weight of directional couplers and filters. It also gives step-by-step procedures for enhancing circuit performance. Numerous design examples and verified measured results for ultrawideband, bandpass, periodic and co-directional couplers are provided.

VHF / UHF Filters and Multicouplers

2013-04-02 Technology & Engineering
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Release : 2013-04-02
Genre : Technology & Engineering
Kind : eBook
Book Rating : 674/5 ( reviews)

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Book Synopsis VHF / UHF Filters and Multicouplers by : Bernard Piette

Download or read book VHF / UHF Filters and Multicouplers written by Bernard Piette. This book was released on 2013-04-02. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the various devices used in radio communication and broadcasting to achieve high selectivity filtering and coupling. After providing background in the basics of microwave theory and more detailed material — including a special chapter on precision and errors in measurement - the reader will find detailed descriptions, manufacturing processes, and for the most useful instances a number of worked-through formulas, which will allow engineers and technicians to design circuits or components for filtering or coupling applications. Content is covered in this format across a broad range of fields including coaxial cavities, combline filters, bandpass and pass-reject duplexers, multicouplers, circulators, low-noise amplifiers, helix resonators, and much more.

Lumped Elements for RF and Microwave Circuits

2003 Technology & Engineering
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Release : 2003
Genre : Technology & Engineering
Kind : eBook
Book Rating : 094/5 ( reviews)

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Book Synopsis Lumped Elements for RF and Microwave Circuits by : I. J. Bahl

Download or read book Lumped Elements for RF and Microwave Circuits written by I. J. Bahl. This book was released on 2003. Available in PDF, EPUB and Kindle. Book excerpt: This practical book is the first comprehensive treatment of lumped elements, which are playing a critical role in the development of the circuits that make these cost-effective systems possible. The book offers professionals an in-depth understanding of the different types of RF and microwave circuit elements.

Principles of RF and Microwave Design

2019-11-30 Technology & Engineering
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Release : 2019-11-30
Genre : Technology & Engineering
Kind : eBook
Book Rating : 515/5 ( reviews)

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Book Synopsis Principles of RF and Microwave Design by : Matthew A. Morgan

Download or read book Principles of RF and Microwave Design written by Matthew A. Morgan. This book was released on 2019-11-30. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive resource provides a thorough introduction to the principles of electronic circuits operating in the radio, microwave, and millimeter-wave frequency ranges. The book highlights the fundamental physical laws of classical electromagnetics using a foundation of Maxwell’s equations to give insight into the operating principles of circuit elements of all kinds, from lumped elements to transmission lines, waveguides, optical fibers, and quasi-optical structures. Standard passive system components like filters, splitters, couplers, hybrids, baluns, and antennas are explained to acclimate the reader to considering multiple technological solutions for common design problems. A basic overview of active circuit designs, such as amplifiers, mixers, and multipliers is also provided, along with discussion of the performance characteristics of electronic systems, including noise and linearity. Emphasis is placed on visualization and understanding of how and why electronic circuits of all frequencies are built and operate the way they do. Readers learn how to match an amplifier for optimum noise performance over the broadest bandwidth with the fewest number of elements and how to visualize the coupling of various modes in a mixed waveguide-type structure and avoid resonances due to trapped, higher-order modes. The book provides the tools needed to design and optimize a launcher from microstrip into waveguide, and whether the best characteristics can be achieved by incorporating matching elements in the microstrip section, the waveguide section, or both. Packed with references and examples, readers learn not only how to do the math but what the math means.

Efficient Solution of Maxwell's Equations Using the Nonuniform Orthogonal Finite Difference Time Domain Method

1995
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Release : 1995
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Book Synopsis Efficient Solution of Maxwell's Equations Using the Nonuniform Orthogonal Finite Difference Time Domain Method by : John Allan Svigelj

Download or read book Efficient Solution of Maxwell's Equations Using the Nonuniform Orthogonal Finite Difference Time Domain Method written by John Allan Svigelj. This book was released on 1995. Available in PDF, EPUB and Kindle. Book excerpt: The Finite Difference Time Domain (FDTD) method is limited by memory requirements and computation time when applied to large problems, complicated geometries, or geometries with fine features. In this thesis, the nonuniform orthogonal FDTD method is presented and applied to a variety of electromagnetic problems. The nonuniform aspect of the method gives great flexibility in modeling complicated geometries with fine features. Furthermore, the variability of the mesh resolution also enables the user to move the boundaries of the computational domain farther away from the center of the problem without an undue increase in the number of cells. Most significantly, the orthogonality of the method preserves the speed of the conventional FDTD method. These three features of the nonuniform orthogonal FDTD method are demonstrated by means of numerical examples throughout the thesis. Grid dispersion error from the nonuniform mesh is analyzed and numerical examples are presented, demonstrating that small growth rates in mesh discretization lead to acceptably small errors. The issue of absorbing boundary conditions is addressed with the analysis and application of the dispersive boundary condition on nonuniform meshes. New techniques are also introduced for the efficient characterization of microstrip lines, microstrip discontinuities, and coupled microstrip structures using FDTD data. A local mesh refinement technique is introduced for planar perfect electric conductor, and is shown to be three times more accurate than the staircasing approximation. The versatility of the method is demonstrated by the analysis of a balun-fed folded dipole antenna, the characterization of the transition of grounded coplanar waveguide to microstrip line, and the study of fields in lossy layered media.

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