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✅ Effortless setup and programming: Navigate the menus with ease, customize channels, and tailor your Baofeng radio to your exact needs.

✅ Essential accessories and upgrades: Learn about antennas, batteries, and other enhancements to boost your radio's range and functionality.

✅ Beyond the basics: Tap into advanced features like CTCSS/DCS codes for privacy, frequency scanning to monitor channels, and repeater usage for long-distance communication.

✅ Emergency preparedness: Understand how to use your Baofeng radio for critical communication during power outages, natural disasters, or when cell networks are unavailable.

✅ The joy of exploration: Join vibrant radio communities, participate in organized events, and discover the fascinating world of amateur radio.

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Microwave and RF Design: Radio Systems is a circuits- and systems-oriented approach to modern microwave and RF systems. Sufficient details at the circuits and sub-system levels are provided to understand how modern radios are implemented. Design is emphasized throughout. The evolution of radio from what is now known as 0G, for early radio, through to 6G, for sixth generation cellular radio, is used to present modern microwave and RF engineering concepts. Two key themes unify the text: 1) how system-level decisions affect component, circuit and subsystem design; and 2) how the capabilities of technologies, components, and subsystems impact system design. This book is suitable as both an undergraduate and graduate textbook, as well as a career-long reference book.

Key Features
* The first volume of a comprehensive series on microwave and RF design
* Open access ebook editions are hosted by NC State University Libraries at https: //repository.lib.ncsu.edu/handle/1840.20/36776
* 31 worked examples
* An average of 38 exercises per chapter
* Answers to selected exercises
* Coverage of cellular radio from 1G through 6G
* Case study of a software defined radio illustrating how modern radios partition functionality between analog and digital domains
* A companion book, Fundamentals of Microwave and RF Design, is suitable as a comprehensive undergraduate textbook on microwave engineering

Microwave and RF Design: Transmission Lines builds on the concepts of forward- and backward-traveling waves. Many examples are included of advanced techniques for analyzing and designing transmission line networks with microstrip lines primarily used in design examples. Coupled-lines are an important functional element in microwave circuits, and circuit equivalents of coupled lines are introduced as fundamental building blocks in design. The text and examples introduce the often hidden design requirements of mitigating parasitic effects and eliminating unwanted modes of operation. This book is suitable as both an undergraduate and graduate textbook, as well as a career-long reference book.

Key Features
* The second volume of a comprehensive series on microwave and RF design
* Open access ebook editions are hosted by NC State University Libraries at https: //repository.lib.ncsu.edu/handle/1840.20/36776
* 56 worked examples
* An average of 31 exercises per chapter
* Answers to selected exercises
* Focus on planar lines including microstrip
* A companion book, Fundamentals of Microwave and RF Design, is suitable as a comprehensive undergraduate textbook on microwave engineering

Fundamentals of Microwave and RF Design enables mastery of the essential concepts required to cross the barriers to a successful career in microwave and RF design. Extensive treatment of scattering parameters, that naturally describe power flow, and of Smith-chart-based design procedures prepare the student for success. The emphasis is on design at the module level and on covering the whole range of microwave functions available. The orientation is towards using microstrip transmission line technologies and on gaining essential mathematical, graphical and design skills for module design proficiency. This book is derived from a multi volume comprehensive book series, Microwave and RF Design, Volumes 1-5, with the emphasis in this book being on presenting the fundamental materials required to gain entry to RF and microwave design. This book closely parallels the companion series that can be consulted for in-depth analysis with referencing of the book series being familiar and welcoming.

Key Features
* A companion volume to a comprehensive series on microwave and RF design
* Open access ebook editions are hosted by NC State University Libraries at https: //repository.lib.ncsu.edu/handle/1840.20/36776
* 59 worked examples
* An average of 24 exercises per chapter
* Answers to selected exercises
* Emphasis on module-level design using microstrip technologies
* Extensive treatment of design using Smith charts
* A parallel companion book series provides a detailed reference resource

This book was last updated in January 2020. RF and microwave circuit design is a fascinating and fulfilling career path. It is also an extremely vast subject with topics ranging from semiconductor physics to electromagnetic theory and techniques. The Fundamentals of RF and Microwave Circuit Design book covers the subject from a Computer Aided Design (CAD) standpoint using the low-cost or free software such as LTspice, AppCAD, Smith V3.10, and TXLINE. Topics discussed in this book include RF and microwave concepts and components, transmission lines, network parameters and the Smith chart, resonant circuits and filter designs, power transfer and lumped impedance matching network design, distributed impedance matching network design, and various amplifier circuits utilizing SPICE simulator software. LTspice is capable of time-domain, FFT, and linear circuit simulation. As such, a spice model has been utilized for design of several amplifiers. A DC analysis has been performed first and transistor DC-IV curves have been generated for proper selection of DC operating points. An AC analysis is then followed to generate S-parameters at desired DC biasing condition. From simulated two port parameters, RF parameters of interest including stability factors can be generated using LTspice equation editor. Furthermore, a model has been developed to simulate and predict noise figure of a LNA circuit. Almost all the subject matters covered in this book are accompanied by practical examples. University students will find this book as a potent learning tool and practicing engineers will find it very useful as a reference guide to quickly setup designs using the inexpensive software.

Microwave and RF Design: Networks presents the tools and techniques required to analyze and design microwave and RF circuits. Because of the finite speed of light, microwave circuits must be considered to be spatially distributed and so there is not a single ground. As such metrics that can be used to describe power flow are of most use. The topics covered include scattering parameters, signal flow graphs, and Smith charts. Acquiring expertise in these is the biggest barriers to a successful career in microwave and RF engineering. This book is suitable as both an undergraduate and graduate textbook, as well as a career-long reference book.

Key Features
* The third volume of a comprehensive series on microwave and RF design
* Open access ebook editions are hosted by NC State University Libraries at https: //repository.lib.ncsu.edu/handle/1840.20/36776
* 49 worked examples
* An average of 30 exercises per chapter
* Answers to selected exercises
* Detailed coverage of Smith charts and how they are used in design and in interpretation
* Extensive treatment of broadband matching
* A companion book, Fundamentals of Microwave and RF Design, is suitable as a comprehensive undergraduate textbook on microwave engineering

Microwave and RF Design: Modules focuses on the design of systems based on microwave modules. The use of modules has become increasingly important in RF and microwave engineering for rapidly realizing high performance microwave systems. When integration is ultimately to be used, building a system up using modules provides a rapid means of prototyping and testing system concepts. A wide variety of RF modules including amplifiers, local oscillators, switches, circulators, isolators, phase detectors, frequency multipliers and dividers, phase-locked loops, and direct digital synthesizers are considered. Detailed design strategies for synthesizing filters based on parallel coupled lines are presented. The reader will gain an appreciation of design by synthesis. This book is suitable as both an undergraduate and graduate textbook, as well as a career-long reference book.

Key Features
* The fourth volume of a comprehensive series on microwave and RF design
* Open access ebook editions are hosted by NC State University Libraries at https: //repository.lib.ncsu.edu/handle/1840.20/36776
* 23 worked examples
* An average of 21 exercises per chapter
* Answers to selected exercises
* 6 case studies illustrating design procedures
* Emphasis on synthesis as well as building a rich library of microwave functions
* A companion book, Fundamentals of Microwave and RF Design, is suitable as a comprehensive undergraduate textbook on microwave engineering

Microwave and RF Design: Amplifiers and Oscillators presents the design of amplifiers and oscillators in a way that enables state-of-the-art designs to be realized. Detailed strategies and case studies are presented. Design of competitive microwave amplifiers and oscillators is particularly challenging as many trade-offs are required in design, and the design decisions cannot be reduced to a formulaic flow. The emphasis is on developing design skills. This book is suitable as both an undergraduate and graduate textbook, as well as a career-long reference book.

Key Features
* The fifth volume of a comprehensive series on microwave and RF design
* Open access ebook editions are hosted by NC State University Libraries at https: //repository.lib.ncsu.edu/handle/1840.20/36776
* 9 worked examples
* An average of 23 exercises per chapter
* Answers to selected exercises
* 6 extensive case studies following the design of competitive amplifiers and oscillators with world leading performance
* Volume 5 of a five volume series on microwave and RF design, all available as open access ebooks
* A companion book, Fundamentals of Microwave and RF Design, is suitable as a comprehensive undergraduate textbook on microwave engineering

Radar Expert, Esteemed Author Gregory L. Charvat on CNN and CBS

Author Gregory L. Charvat appeared on CNN on March 17, 2014 to discuss whether Malaysia Airlines Flight 370 might have literally flown below the radar. He appeared again on CNN on March 20, 2014 to explain the basics of radar, and he explored the hope and limitations of the technology involved in the search for Flight 370 on CBS on March 22, 2014.

Get His Book Now

Coupling theory with reality, from derivation to implementation of actual radar systems, Small and Short-Range Radar Systems analyzes and then provides design procedures and working design examples of small and short-range radar systems. Discussing applications from automotive to through-wall imaging, autonomous vehicle, and beyond, the practical text supplies high-level descriptions, theoretical derrivations, back-of-envelope calculations, explanations of processing algorithms, and case studies for each type of small radar system covered, including continuous wave (CW), ultrawideband (UWB) impulse, linear frequency modulation (FM), linear rail synthetic aperture radar (SAR), and phased array. This essential reference:

• Explains how to design your own radar devices
• Demonstrates how to process data from small radar sensors
• Provides real-world, measured radar data to test algorithms before investing development time

Complete with downloadable MATLAB(R) scripts and actual radar measurements, Small and Short-Range Radar Systems empowers you to rapidly develop small radar technology for your application.

The 100 RF and Microwave Circuit Design Examples book is basically a hands-on step-by-step solution manual for the 100 practical examples in the field of RF and microwave circuit design. The solution manual helps university students and practicing electrical engineers to master the analysis and design of RF and microwave circuits in a short period of time. The book is also valuable in that it marries RF and microwave circuit theory with the practical examples using the Keysight Advanced Design System (ADS) software. ADS is one of today's most widely used Electronic Design Automation (EDA) software used by the world's leading companies. Those who are interested to get the corresponding 100 ADS workspaces on a CD ROM they can find it on the Amazon web site.

The examples in the book cover the following topics.

1. RF and Microwave Components
2. Transmission Line Components
3. Network Parameters and the Smith Chart
4. Resonant Circuits and Filter Design
5. Power Transfer and Impedance Matching
6. Distributed Element Impedance Matching
7. Single and Multi-Stage Amplifier Design

Learning all the 100 examples and doing all the additional problems in the book will help you to write your own ticket to success.

A comprehensive resource to designing and constructing analog photonic links capable of high RF performance

Fundamentals of Microwave Photonics provides a comprehensive description of analog optical links from basic principles to applications. The book is organized into four parts. The first begins with a historical perspective of microwave photonics, listing the advantages of fiber optic links and delineating analog vs. digital links. The second section covers basic principles associated with microwave photonics in both the RF and optical domains. The third focuses on analog modulation formats--starting with a concept, deriving the RF performance metrics from basic physical models, and then analyzing issues specific to each format. The final part examines applications of microwave photonics, including analog receive-mode systems, high-power photodiodes applications, radio astronomy, and arbitrary waveform generation.

• Covers fundamental concepts including basic treatments of noise, sources of distortion and propagation effects
• Provides design equations in easy-to-use forms as quick reference
• Examines analog photonic link architectures along with their application to RF systems

A thorough treatment of microwave photonics, Fundamentals of Microwave Photonics will be an essential resource in the laboratory, field, or during design meetings.

The authors have more than 55 years of combined professional experience in microwave photonics and have published more than 250 associated works.

Harness the power of BaoFeng radios with this ultimate prepper's guide for emergency communication!

Considerably expanded and updated, the second edition of this bestselling reference and textbook is updated with current wireless systems with sections on 4G and the technologies behind 5G cellular communications. This book includes 10 real world case studies of leading edge designs, taking readers through the design process and the many pragmatic designs that must be made during the process. It includes extensive end-of-chapter exercises ranging from less challenging testing to involved, open-ended design exercises. Considerably expanded and updated second edition of this best-selling reference, graduate and/or advanced undergraduate textbook - 'System module' updated with current wireless systems with sections on 4G and the technologies behind 5G cellular communications. - Includes 10 real world case studies of leading edge designs, taking readers through the design process and the many pragmatic designs that must be made during the process. - Includes extensive end-of-chapter exercises ranging from less challenging testing to involved, open-ended design exercises

The Waveguide Handbook is an unabridged reprint of the book first published in 1951 by McGraw Hill as Volume 10 of the MIT Radiation Laboratory Series.

Although the primary aim of the book is to present the equivalent-circuit parameters for a large number of microwave structures, a brief but coherent account of the fundamental concepts necessary for their proper utilisation is included. The first three chapters summarise both the field and network theoretic considerations necessary for the derivation and utilisation of the basic transmission line-equivalent-circuit formalism. The mode concept and transmission-line formulation of the field equations are introduced in Chapter 1. This chapter contains an engineering treatment of the transmission-line theory necessary for the description of propagating and nonpropagating modes in the more important types of uniform and nonuniform waveguides. The field-structure, propagation, attenuation, etc., characteristics of the transmission-line modes so described are compiled in Chapter 2, with both quantitive and pictorial detail. The elements of microwave-network theory required for the analysis, representation, and measurement of the equivalent circuits for N-terminal microwave structures are outlined in Chapter 3; also contained in this chapter is a sketch of some of the field theoretic methods employed in the derivation of the equivalent-circuit parameters reported in Chapters 4 to 8. Although most of the above material is written for the impedance-minded microwave engineer, some of the sections should be of interest to the applied mathematician. The remaining chapters contain a compilation of the equivalent-circuit parameters for a variety of nondissipative N-terminal microwave structures. In Chapter 4 a number of two-terminal structures, such as beyondcutoff and radiative waveguide terminations, are treated. Obstacle and aperture discontinuities in waveguides, gratings in free space, etc., are among the four-terminal structures described in Chapter 5. Chapter 6 deals with six-terminal microwave structures and contains the equivalent-circuit parameters for a number of E-and H -plane T- and Y-junctions, bifurcations, etc. Several eight-terminal structures are treated in Chapter 7. Chapter 8 contains the circuit description of a number of typical composite microwave structures; dielectric-filled guides, thick apertures, etc.

This edition also contains a new preface by the editor and several pages of errata which he has collected over the past thirty-five years.

Noise is a fundamental problem that degrades the performance of every communications device. Noise starts at a very basic level - in the circuits within communications devices and systems. This book is a comprehensive treatment of how noise affects circuit performance. It covers practical methods for optimizing communications performance in a noisy environment. Special coverage is given to phase noise in oscillator circuits, which is a critical problem in cellular and mobile telecommunications. Software has become an indispensable tool for analyzing noise. This book gives circuit designers and software developers a solid understanding of this specialized software, so they can more effectively create noise-resistant circuitry. Noise is the basic stumbling block in creating reliable communications circuits, and this book shows engineers how to overcome this problem.

This book is the first comprehensive treatment of microwave horns and feeds for reflector antennas for use in satellite and terrestrial communications, radar and radio astronomy. The feed for a reflector antenna is a crucial component because the performance of the reflector depends on a good feed to collect or radiate signals.

The book presents the principles and applications of reflector and horn antennas with emphasis on the developments of the last decade. The background theory is included and the analytical techniques are explained. Extensive design data and numerous examples of practical horn and feed antennas are given.

The book is a collaboration between four authors, bringing together an unrivalled knowledge of analytical techniques and experience in designing horns, feeds and reflector antennas. The book should be of value to both the research worker and the designer of practical feeds for reflector antennas.

The ridge waveguide, which is a rectangular waveguide with one or more metal inserts (ridges), is an important transmission line in microwave engineering, through which many passive components can be achieved. As such it is a well-established and widely used element in commercial electronics and communications devices. This book collects together much of the work of Professor Helszajn, an international authoriy in the field, and will enable the reader to have direct access to this material without need for exhaustive search of research papers. Generously illustrated, it is likely to become the definitive reference source on this topic. The book includes closed-form and finite element calculations of the propagation constant, attenuation and mode spectrum for the ridge waveguide, as well as power-current and power-voltage definitions of impedance. Circular polarisation is also treated. Propagation properties where the waveguide has a dielectric filler are calculated. The treatment is then extended to more complex designs, including quadruple ridge waveguides with and without a gyromagnetic filler. The text includes descriptions of many of the passive devices which can be realised using these waveguides, including isolators, phase shifters and circulators. A treatment of the finline waveguide is included as its geometry is closely related to that of the ridge waveguide, leading to components such as the 3-port finline calculator.

Discover the concepts, architectures, components, tools, and techniques needed to design millimeter-wave circuits for current and emerging wireless system applications. Focusing on applications in 5G, connectivity, radar, and more, leading experts in radio frequency integrated circuit (RFIC) design provide a comprehensive treatment of cutting-edge physical-layer technologies for radio frequency (RF) transceivers - specifically RF, analog, mixed-signal, and digital circuits and architectures. The full design chain is covered, from system design requirements through to building blocks, transceivers, and process technology. Gain insight into the key novelties of 5G through authoritative chapters on massive MIMO and phased arrays, and learn about the very latest technology developments, such as FinFET logic process technology for RF and millimeter-wave applications. This is an essential reading and an excellent reference for high-frequency circuit designers in both academia and industry.

This book was last updated in August 2023. The second edition of Fundamentals of RF and Microwave Circuit Design explores more aspects of this field in an easy to understand manner that is combined with practical examples and applications with the aid of open source software. Many improvements have also been incorporated in this edition. A new chapter is dedicated to sinewave oscillator circuit design, and time-domain analysis is introduced for the first time. Several chapter sections and appendices have been added to this edition. Unique use of collection of software tools together with simple presentation of important topics can provide a powerful methodology in designing and analyzing many passive and active RF/Microwave circuits. Microwave Engineering can be a fascinating and fulfilling career path. It is also an extremely vast subject with topics ranging from semiconductor physics to electromagnetic theory. The applications of each field are, however, diverse and unique. Unlike many texts on the subject this book does not attempt to cover every aspect of RF and microwave engineering in a single volume. Almost all subject matter covered in the text is accompanied by examples that are representative of practical engineering applications. University students will find this a potent learning tool. Practicing engineers will find the book very useful as a reference guide to quickly setup designs using the guidelines presented in the book and with the aid of various very practical software applications. The author thoroughly covers the basics as well as introducing CAD techniques that may not be familiar to some engineers. Topics discussed in this book include RF and microwave concepts and components, transmission lines, network parameters and the Smith chart, resonant circuits and filter designs, power transfer and lumped impedance matching network design, distributed impedance matching network design, distributed power dividers including Wilkinson, various amplifier circuit topologies, several widely used sinewave oscillator circuit topologies, and Monte Carlo application in circuit design optimization, all utilizing SPICE simulator as the core software. New trends in modern integrated circuit design and high frequency trends including RF/Photonic applications in microwave engineering are introduced and discussed. In general, passive microwave engineering is covered in chapters 1 through 6. Specific guidelines are provided, through examples, to design various transmission lines and completion of physical design. Two chapters (7 and 8) are focus of extensive active RF and microwave circuit design. In chapter 7, a spice model has been utilized for design of multiple single-stage amplifiers. A DC analysis is been performed first and transistor DC-IV curves are generated for proper selection of DC operating points. An AC analysis is then followed to generate S-parameters at desired DC biasing condition. From simulated two port parameters, RF parameters of interest including stability factors can be generated using LTspice equation editor. Furthermore, using internal capability of the software, a model has been developed to simulate and predict noise figure of the LNA circuit. Time-domain including transient analysis and Fast Fourier Transform (FFT) make design and analysis of oscillator circuits in both time domain and frequency domain possible. In Chapter 8 sinewave oscillator circuits are discussed. Several important and widely used oscillator circuits including Colpitts, Clad, and Crystal oscillators are introduced through examples and many practical issues have been tackled in detail. This chapter also covers new trends in modern IC technology and oscillator circuits for microwave applications. Application of Monte Carlo in engineering design process and sensitivity is also covered in chapter 8.