Basic Antennas

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Basic Antennas

Author : Joel R. Hallas
Publisher : American Radio Relay League (ARRL)
Page : 0 pages
File Size : 41,7 Mb
Release : 2008
Category : Technology & Engineering
ISBN : 087259999X

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Basic Antennas by Joel R. Hallas Pdf

Basic Antennas is a comprehensive introduction to antennas--basic concepts, practical designs, and details of easy-to-build antennas. You'll learn how to make antennas that really work. This book will provide a foundation in antenna theory and design necessary for anyone undertaking more advanced topics such as those presented in The ARRL Antenna Book. Includes: Dipole Antennas, Antenna Impedance, Transmission Lines, Practical Two Element Arrays, Wideband and Multiband Antennas Reflector Antennas, Yagis for HF and VHF, Loop Antennas, Antennas for Microwave Applications, Vehicle Antennas, Antenna Measurements, Plus, an Introduction to Antenna Modeling ... and much more!

Super-Dipole Antennas

Author : Edward J. Shortridge
Publisher : Dog Ear Publishing
Page : 206 pages
File Size : 44,6 Mb
Release : 2018-03-22
Category : Technology & Engineering
ISBN : 9781457548987

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Super-Dipole Antennas by Edward J. Shortridge Pdf

“Super-Dipole Antennas” is a book that introduces a completely new “Unified Broad-Banding Method”. This method primarily consists of the use of a 1/2 wavelength Dipole, which is fed with a 1/4 (or shorter) wavelength resonant line. The amount of coupling between these two components is greatly reduced and controlled to produce a wide SWR bandwidth. This Broad-Banding Method is referred to as “Critically-Coupled Broad-Banding”. There are many different configurations that are possible and these are presented in a logical sequence, showing how each has evolved from the previous one. Some use “Low Impedance Coupling”, while others utilize “High Impedance” and both can achieve low SWR bandwidths. Most all of the configurations are adaptable to the various radio Amateur bands, from 160m to above the 6m band. Some utilize wire radiators, while others at the higher frequencies, utilize aluminum tubing. Large numbers of antennas are presented covering most all of the wider Amateur radio bands where Broad-Banding is most desirable. The completely new and unique configurations introduced will completely change the perception of how antennas are Matched and Broad-Banded. Many of the configurations are very simple and easy to understand. Most have been reduced in complexity, cost of materials, and can readily be assembled and these are referred to as “Super-Dipole Antennas”. Other methods of Broad-Banding are also presented, which have unique advantages, while some others have Multi-Band capabilities. Almost all of the configurations presented include charts showing how the Far-field gains and coaxial losses vary across each of the bandwidths, giving a good perception of the efficiency on each band. Each antenna configuration has been carefully computer-modeled, making certain that all of the critical requirements are taken into account and checking the consistency of results, thus giving an assurance of good modeling accuracy. This book has been written to purposely keep it simple, point out the pertinent details, make comparisons between different antennas, in the simple straightforward manner, while avoiding any complicated formulas. It is meant to be a tutorial on Broad-Banding, along with the catalog of practical antenna configurations in order to encourage further interest, imagination and experimentation.

Printed Antennas

Author : Binod Kumar Kanaujia,Surendra Kumar Gupta,Jugul Kishor,Deepak Gangwar
Publisher : CRC Press
Page : 440 pages
File Size : 46,8 Mb
Release : 2020-11-22
Category : Technology & Engineering
ISBN : 9781000218251

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Printed Antennas by Binod Kumar Kanaujia,Surendra Kumar Gupta,Jugul Kishor,Deepak Gangwar Pdf

Printed antennas have become an integral part of next-generation wireless communications and have been found to be commonly used to improve system capacity, data rate, reliability, etc. This book covers theory, design techniques, and the chronological regression of the printed antennas for various applications. This book will provide readers with the basic conceptual knowledge about antennas along with advanced techniques for antenna design. It covers a variety of analytical techniques and their CAD applications and discusses new applications of printed antenna technology such as sensing. The authors also present special reconfigurable antennas such as ME dipole, polarization, feeding, and DGS. The book will be useful to students as an introduction to design and applications of antennas. Additionally, experienced researchers in this field will find this book a ready reference and benefit from the techniques of research in printed antennas included in this book. Following are some of the salient features of this book: Covers a variety of analytical techniques and their CAD applications Discusses new applications of printed antenna technology such as sensing Examines the state of design techniques of printed antenna Presents special reconfigurable antennas such as ME dipole, polarization, feeding, and DGS

Novel Wearable Antennas for Communication and Medical Systems

Author : Albert Sabban
Publisher : CRC Press
Page : 443 pages
File Size : 49,5 Mb
Release : 2017-09-29
Category : Technology & Engineering
ISBN : 9781351623131

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Novel Wearable Antennas for Communication and Medical Systems by Albert Sabban Pdf

Wearable antennas are meant to be incorporated as part of clothing or placed close to the body. Wearable antennas can be used in countless communication applications including tracking and navigation, medical applications, imaging and detection, RFID, mobile computing and public safety. The book "Novel Wearable Antennas for Communication and Medical Systems" discusses the challenges and technology to develop compact, efficient, wearable antennas. The book begins by presenting elementary communication, electromagnetics and antenna topics needed for engineers and students that do not have a background in design, principles, and features of antennas, printed antennas, wearable antennas, and compact antennas for communication and medical applications. Throughout the book each chapter also covers sufficient mathematical details, physical details and explanations to enable the reader to follow and understand the topics presented. New topics and design methods in the area of wearable antennas, metamaterial antennas, active printed antennas and fractal antennas for communication and medical systems are presented and discussed throughout the book. The book presents computed and measured results in the vicinity of the human body. The book also covers topics such as RF measurement techniques, measurement setups and design considerations. The antennas developed and analyzed in this book were designed and optimized by using 3D full-wave electromagnetics software.

Antennas and Radio Propagation

Author : United States. Department of the Army
Publisher : Unknown
Page : 240 pages
File Size : 41,6 Mb
Release : 1953
Category : Radio
ISBN : UCR:31210016675108

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Antennas and Radio Propagation by United States. Department of the Army Pdf

Fundamentals of Antennas

Author : Christos G. Christodoulou,Parveen F. Wahid
Publisher : SPIE Press
Page : 112 pages
File Size : 44,7 Mb
Release : 2001
Category : Technology & Engineering
ISBN : 0819441120

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Fundamentals of Antennas by Christos G. Christodoulou,Parveen F. Wahid Pdf

Annotation This tutorial explains antenna theory and operation and is intended for students, engineers, and researchers. Basic wire antennas and array antennas are described in detail and other types are introduced, including reflectors, lenses, horns, microstrip, Yagi, and frequency-independent antennas.

Microstrip Antennas

Author : David M. Pozar,Daniel H. Schaubert
Publisher : John Wiley & Sons
Page : 450 pages
File Size : 55,5 Mb
Release : 1995-05-15
Category : Technology & Engineering
ISBN : 0780310780

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Microstrip Antennas by David M. Pozar,Daniel H. Schaubert Pdf

"This anthology combines 15 years of microstrip antenna technology research into one significant volume and includes a special introductory tutorial by the co-editors. Covering theory, design and modeling techniques and methods, this source book is an excellent reference tool for engineers who want to become more familiar with microstrip antennas and microwave systems. Proven antenna designs, novel solutions to practical design problemsand relevant papers describing the theory of operation and analysis of microstrip antennas are contained within this convenient reference."

Differential Antennas

Author : Yueping Zhang
Publisher : John Wiley & Sons
Page : 357 pages
File Size : 44,6 Mb
Release : 2024-08-20
Category : Technology & Engineering
ISBN : 9781394273089

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Differential Antennas by Yueping Zhang Pdf

A comprehensive introduction to the theory and practice of differential antennas The first antennas ever created were differential antennas, in the dipole and loop constructions, before the subsequent creation of the single-ended or monopole antenna. Dozens of antenna configurations have been invented since then, the vast bulk of them differential. The theory and design of differential antennas therefore has an impact on a huge range of fields which make use of electromagnetic waves, radar arrays, and more. Differential Antennas contains a thorough, comprehensive overview of these antennas, their theory, and their practical applications. It details the relationship between differential and single-ended antennas, which may act as tools for determining the properties of one when the other is known. This book offers an analysis of the role differential antennas play in wireless communication and sensing. Overall, it stands as an essential contribution to a key area of communications technology. Differential Antennas readers will also find: Tables and figures illustrating key data, antenna structures, and more Chapters covering topics including microstrip antennas, shorted patch antennas, grid array antennas, and other designs Detailed instructions for measuring antennas for characterization and specification purposes Differential Antennas is ideal for senior and graduate level students, researchers, and radio frequency engineers.

Wideband RF Technologies and Antennas in Microwave Frequencies

Author : Dr. Albert Sabban
Publisher : John Wiley & Sons
Page : 464 pages
File Size : 50,6 Mb
Release : 2016-06-10
Category : Technology & Engineering
ISBN : 9781119048664

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Wideband RF Technologies and Antennas in Microwave Frequencies by Dr. Albert Sabban Pdf

Presents wideband RF technologies and antennas in the microwave band and millimeter-wave band This book provides an up-to-date introduction to the technologies, design, and test procedures of RF components and systems at microwave frequencies. The book begins with a review of the elementary electromagnetics and antenna topics needed for students and engineers with no basic background in electromagnetic and antenna theory. These introductory chapters will allow readers to study and understand the basic design principles and features of RF and communication systems for communications and medical applications. After this introduction, the author examines MIC, MMIC, MEMS, and LTCC technologies. The text will also present information on meta-materials, design of microwave and mm wave systems, along with a look at microwave and mm wave receivers, transmitters and antennas. Discusses printed antennas for wireless communication systems and wearable antennas for communications and medical applications Presents design considerations with both computed and measured results of RF communication modules and CAD tools Includes end-of-chapter problems and exercises Wideband RF Technologies and Antennas in Microwave Frequencies is designed to help electrical engineers and undergraduate students to understand basic communication and RF systems definition, electromagnetic and antennas theory and fundamentals with minimum integral and differential equations. Albert Sabban, PhD, is a Senior Researcher and Lecturer at Ort Braude College Karmiel Israel. Dr. Sabban was RF and antenna specialist at communication and Biomedical Hi-tech Companies. He designed wearable compact antennas to medical systems. From 1976 to 2007, Dr. Albert Sabban worked as a senior R&D scientist and project leader in RAFAEL.

Beamforming Antennas in Wireless Networks

Author : Osama Bazan,Baha Uddin Kazi,Muhammad Jaseemuddin
Publisher : Springer Nature
Page : 128 pages
File Size : 40,9 Mb
Release : 2021-07-08
Category : Technology & Engineering
ISBN : 9783030774592

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Beamforming Antennas in Wireless Networks by Osama Bazan,Baha Uddin Kazi,Muhammad Jaseemuddin Pdf

Wireless networks are facing growing demand for high capacity, better coverage, support of new applications and broad range of services. In this book, the authors first present an overview of beamforming antennas and millimeter wave communications followed by a discussion on the challenges and issues facing MAC and multi-hop routing in the wireless networks with beamforming antennas. Then, they discuss various MAC and routing protocols that are specifically designed to address those issues and exploit the benefits of millimeter wave and beamforming antennas. Authors also present a framework to provide Quality of Service (QoS) in contention-based wireless networks with beamforming antennas. Finally, the book is concluded with a discussion on open research topics for future generation WLAN systems.

Advanced Radio Frequency Antennas for Modern Communication and Medical Systems

Author : Albert Sabban
Publisher : BoD – Books on Demand
Page : 282 pages
File Size : 47,7 Mb
Release : 2020-09-23
Category : Technology & Engineering
ISBN : 9781839683459

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Advanced Radio Frequency Antennas for Modern Communication and Medical Systems by Albert Sabban Pdf

The main objective of this book is to present novel radio frequency (RF) antennas for 5G, IOT, and medical applications. The book is divided into four sections that present the main topics of radio frequency antennas. The rapid growth in development of cellular wireless communication systems over the last twenty years has resulted in most of world population owning smartphones, smart watches, I-pads, and other RF communication devices. Efficient compact wideband antennas are crucial in RF communication devices. This book presents information on planar antennas, cavity antennas, Vivaldi antennas, phased arrays, MIMO antennas, beamforming phased array reconfigurable Pabry-Perot cavity antennas, and time modulated linear array.

Antennas for IoT

Author : Prutha P. Kulkarni
Publisher : Artech House
Page : 286 pages
File Size : 43,8 Mb
Release : 2023-09-30
Category : Technology & Engineering
ISBN : 9781630819941

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Antennas for IoT by Prutha P. Kulkarni Pdf

This book provides a comprehensive overview of the latest trends in Internet of Things (IoT) antenna design. IoT is a rapidly growing network of interconnected devices that can collect and exchange data. This data can be used to improve efficiency, safety, and productivity in many applications, including smart cities, grids, industrial internet, computer security, etc. One of the main components of the IoT is the antenna. Antennas are responsible for transmitting and receiving the data that flows between IoT devices. To be effective, IoT antennas must be small, light, and easy to integrate into devices. They must also be able to operate in various environments, including those with elevated interference levels. This resource covers a wide range of topics, including the challenges and opportunities involved in designing antennas for IoT applications and the importance of miniaturization in IoT antenna design. A comprehensive list of references is included, making it a valuable resource for further study. This is an essential resource for engineers, researchers, and anyone who wants to learn more about the latest trends in IoT antenna design.

Circularly Polarized Antennas

Author : Steven Shichang Gao,Qi Luo,Fuguo Zhu
Publisher : John Wiley & Sons
Page : 341 pages
File Size : 52,9 Mb
Release : 2014-02-03
Category : Technology & Engineering
ISBN : 9781118374412

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Circularly Polarized Antennas by Steven Shichang Gao,Qi Luo,Fuguo Zhu Pdf

This book presents a comprehensive insight into the design techniques for different types of CP antenna elements and arrays In this book, the authors address a broad range of topics on circularly polarized (CP) antennas. Firstly, it introduces to the reader basic principles, design techniques and characteristics of various types of CP antennas, such as CP patch antennas, CP helix antennas, quadrifilar helix antennas (QHA), printed quadrifilar helix antennas (PQHA), spiral antenna, CP slot antennas, CP dielectric resonator antennas, loop antennas, crossed dipoles, monopoles and CP horns. Advanced designs such as small-size CP antennas, broadband, wideband and ultra-wideband CP antennas are also discussed, as well as multi-band CP antennas and dual CP antennas. The design and analysis of different types of CP array antennas such as broadband CP patch arrays, dual-band CP arrays, CP printed slot arrays, single-band and multi-band CP reflectarrays, high-gain CP waveguide slot antennas, CP dielectric resonator antenna arrays, CP active arrays, millimetre-waveband CP arrays in LTCC, and CP arrays with electronically beam-switching or beam-steering capabilities are described in detail. Case studies are provided to illustrate the design and implementation of CP antennas in practical scenarios such as dual-band Global Navigation Satellite Systems (GNSS) receivers, satellite communication mobile terminals at the S-band, Radio Frequency Identification (RFID) readers at 2.4 GHz, and Ka-band high-speed satellite communication applications. It also includes the detailed designs for a wideband Logarithmic spiral antenna that can operate from 3.4-7.7 GHz. In addition, the book offers a detailed review of the recent developments of different types of CP antennas and arrays. Presents comprehensive discussions of design techniques for different types of CP antennas: small-size CP antennas, broadband CP antennas, multi-band CP antennas and CP arrays. Covers a wide range of antenna technologies such as microstrip antennas, helix, quadrifilar helix antenna, printed quadrifilar helix antenna, dielectric resonator antennas, printed slots, spiral antennas, monopoles, waveguide slot arrays, reflectarrays, active arrays, millimetre-wave arrays in LTCC, electronically beam-switching arrays and electronically beam-steerable arrays. Reviews recent developments in different types of CP antennas and arrays, reported by industries, researchers and academics worldwide. Includes numerous case studies to demonstrate how to design and implement different CP antennas in practical scenarios. Provides both an introduction for students in the field and an in-depth reference for antenna/RF engineers who work on the development of CP antennas. Circularly Polarized Antennas will be an invaluable guide for researchers in R&D organizations; system engineers (antenna, telecom, space and satellite); postgraduates studying the subjects of antenna and propagation, electromagnetics, RF/microwave/millimetre-wave systems, satellite communications and so on; technical managers and professionals in the areas of antennas and propagation.

Ultra-Wideband Antennas and Propagation

Author : Ben Allen,Mischa Dohler,Ernest Okon,Wasim Malik,Anthony Brown,David Edwards
Publisher : John Wiley & Sons
Page : 508 pages
File Size : 52,6 Mb
Release : 2006-11-02
Category : Technology & Engineering
ISBN : 9780470056820

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Ultra-Wideband Antennas and Propagation by Ben Allen,Mischa Dohler,Ernest Okon,Wasim Malik,Anthony Brown,David Edwards Pdf

Providing up-to-date material for UWB antennas and propagation as used in a wide variety of applications, "Ultra-wideband Antennas and Propagation for Communications, Radar and Imaging" includes fundamental theory, practical design information and extensive discussion of UWB applications from biomedical imaging, through to radar and wireless communications. An in-depth treatment of ultra-wideband signals in practical environments is given, including interference, coexistence and diversity considerations. The text includes antennas and propagation in biological media in addition to more conventional environments. The topics covered are approached with the aim of helping practising engineers to view the subject from a different angle, and to consider items as variables that were treated as constants in narrowband and wideband systems. Features tables of propagation data, photographs of antenna systems and graphs of results (e.g. radiation patterns, propagation characteristics) Covers the fundamentals of antennas and propagation, as well as offering an in-depth treatment of antenna elements and arrays for UWB systems, and UWB propagation models Provides a description of the underlying concepts for the design of antennas and arrays for conventional as well as ultra-wideband systems Draws together UWB theory by using case-studies to show applications of antennas and propagation in communication, radar and imaging systems The book highlights the unique design issues of using ultra-wideband and will serve both as an introductory text and a reference guide for designers and students alike.