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Study And Application Of Microwave Active Circuits With Negative Group Delay
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Book Synopsis Study and Application of Microwave Active Circuits with Negative Group Delay by : Blaise Ravelo
Download or read book Study and Application of Microwave Active Circuits with Negative Group Delay written by Blaise Ravelo and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A simple topology of an NGD active circuit consisting in a FET terminated by a shunt RLCresonant network and dedicated to the microwave signals was proposed and extensively studied. To our knowledge, this experimental demonstration in the time domain of the ability of a circuit to exhibit simultaneously gain and NGD in microwave domain is the first one available in the literature. By injecting in the NGD circuit a sufficiently smoothed input short-pulse modulating a sine carrier, we showed that the output has an envelop peak in advance compared to the input one. Of course, this phenomenon is not in contradiction with the causality principle. It is also worth emphasizing that the circuit under test meets all of the criteria required for classical active microwave devices, i.e. gain, matching and stability. As predicted by theory (Ravelo et al., 2007a, 2007b, 2007c and 2008a), for a prototype implemented in planar technology, measurements showed that, in the time-domain, the pulse peak advance was about -2 ns or 24% of the 1/e-input pulse half-width with no attenuation. It is also worth noting that this experiment confirmed that the occurrence of time-domain advance induced by the NGD active circuit was not suppressed by the input noise contribution. Moreover, thanks to the S21-magnitude form, the NGD circuit under test demonstrated its ability to exhibit a pulse compression phenomenon together with a possibility of amplification. Then, it should be worth using the presented NGD active topology to compensate for dispersion effects and especially to reduce the intersymbol interference (ISI) in certain telecommunication channels. As a potential application of this NGD circuit, we proposed a new principle of frequencyindependent phase shifter. Cascading a classical transmission line with this NGD circuit allowed us to get a constant phase value. The efficiency of this principle was demonstrated by measurement. Indeed, a constant phase value of 90°±5° was obtained within a 76% relative frequency band centred at about 1.5 GHz. The impacts of the PS parameter variations were described and a sensitivity analysis was performed and discussed. The main benefits of this NGD active PS are its compactness and also the facility to generate very low group delay, and the broad band characteristics. Besides, a two-stage NGD PS was also designed; the simulation results showed a bandwidth enhancement of the constant phase up to 125% (-90°10°). Some fields of applications such as the design of a broadband active balun for RF front end architectures are discussed. As ongoing researches, design of reconfigurable devices dedicated to telecommunication applications is planned. Future investigations will be devoted to the design of NGD devices able to operate at higher frequencies through the use of distributed elements. In this prospect, implementation of MMIC devices based on distributed elements is envisaged.
Book Synopsis Negative Group Delay Devices by : Blaise Ravelo
Download or read book Negative Group Delay Devices written by Blaise Ravelo and published by . This book was released on 2018 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book has 11 chapters dealing with the following topics: Microstrip line negative group delay circuits and applications to communication systems; Negative group delay power dividers; Delay-induced negative group delay; Microwave transversal and recursive filter-based negative group delay circuits and non-Foster elements; Hybrid coupler-based NGD circuit; NGD-based Hilbert filter; Design technique on the microwave amplifier-based active lumped NGD devices; Limits of passive and active negative group delay distributed circuits; Superluminality and detectable information in dispersive channels; Split-ring resonator-loaded X-band waveguide supporting negative group velocity; and Metamaterial-based common-mode noise filter with NGD effect for multilayer PCB.
Book Synopsis Negative Group Delay Devices by : Blaise Ravelo
Download or read book Negative Group Delay Devices written by Blaise Ravelo and published by Materials, Circuits and Device. This book was released on 2019-01-29 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the theoretical concept, analysis, design methodology and implementation of negative group delay (NGD). The NGD concept is a recent topic in electrical and electronic engineering research based on an unconventional function; the generation of an output signal seemingly in time-advance of the input signal.
Book Synopsis Nonlinear Active Microwave Circuits by : T. Berceli
Download or read book Nonlinear Active Microwave Circuits written by T. Berceli and published by Elsevier Publishing Company. This book was released on 1987 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents analysis and design methods of microwave nonlinear active circuits. Nonlinear models are established for each individual device, thus introducing a set of nonlinear building blocks. This allows not only qualitative but also quantitative investigations. The relationships thereby obtained can be used for design purposes, and they are also a help in understanding the circuit operation and for the detailed investigation of oscillators, amplifiers, mixers, frequency multipliers and dividers. The book concentrates on problems arising from the active nonlinear elements, and it is mostly nonlinear transmission properties that are investigated. Normalized quantities are applied in order to obtain results that can be used generally for a wide range of applications. Equations are derived for many important circuit characteristics such as bandwidth, gain, amplitude and phase response, group delay time, AM compression, AM to PM conversion, noise figure, AM noise, FM noise, output power, added power, efficiency, matching, optimum adjustment, stability, dynamic properties. The results are directly applicable in the design procedure of circuits.
Book Synopsis Smart Systems by : Glauco Fontgalland
Download or read book Smart Systems written by Glauco Fontgalland and published by Amplla Editora. This book was released on 2022-09-11 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book aims to highlight the strength and state-of-art of some techniques and methods applied to intelligent systems. Rather to cover the variety of techniques and methods available in the literature, which is out of scope of this book, it focuses on those consolidated and applied and on those with high potential of implementation to smart systems. This book has fourteen chapters covering abroad range of topics in communications. The first three chapters are devoted to state-of-art and review papers on planar filters, unmanned aerial vehicles (UAV), negative group delay, nanoclusters, and tunable lights, while the remain chapters cover specific topics such as smart monitoring, V2I, high-speed links, RF and Optical sensors, composite material, metamaterial, energy harvesting, radar, SWIPT, and electromagnetic sources.
Book Synopsis Synthesis and Applications of Nanoparticles by : Atul Thakur
Download or read book Synthesis and Applications of Nanoparticles written by Atul Thakur and published by Springer Nature. This book was released on 2022-06-20 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides thorough information on various nanomaterials, techniques for their synthesis and characterization, and examines their agricultural, environmental, biomedical, and clinical applications. The initial part of the book presents different nanomaterials; covers various physical, chemical, and biological methods for their synthesis; and reviews techniques to characterize their physicochemical and biological properties. Subsequently, the chapters of the book focus on the innovative applications of nanomaterials in disease diagnosis, tissue engineering, regenerative medicine, and cancer therapy. It also explores the green biosynthesis of nanomaterials and highlights their biological applications. Towards the end, the book examines the toxicity and biocompatibility of various nanomaterials. It aims to serve as a resource guide for researchers and biomedical clinicians working with nanomaterials.
Book Synopsis Microwave Devices, Circuits and Subsystems for Communications Engineering by : Ian A. Glover
Download or read book Microwave Devices, Circuits and Subsystems for Communications Engineering written by Ian A. Glover and published by John Wiley & Sons. This book was released on 2006-05-01 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microwave Devices, Circuits and Subsystems for Communications Engineering provides a detailed treatment of the common microwave elements found in modern microwave communications systems. The treatment is thorough without being unnecessarily mathematical. The emphasis is on acquiring a conceptual understanding of the techniques and technologies discussed and the practical design criteria required to apply these in real engineering situations. Key topics addressed include: Microwave diode and transistor equivalent circuits Microwave transmission line technologies and microstrip design Network methods and s-parameter measurements Smith chart and related design techniques Broadband and low-noise amplifier design Mixer theory and design Microwave filter design Oscillators, synthesisers and phase locked loops Each chapter is written by specialists in their field and the whole is edited by experience authors whose expertise spans the fields of communications systems engineering and microwave circuit design. Microwave Devices, Circuits and Subsystems for Communications Engineering is suitable for senior electrical, electronic or telecommunications engineering undergraduate students, first year postgraduate students and experienced engineers seeking a conversion or refresher text. Includes a companion website featuring: Solutions to selected problems Electronic versions of the figures Sample chapter
Book Synopsis Microwave Circuit Design Using Linear and Nonlinear Techniques by : George D. Vendelin
Download or read book Microwave Circuit Design Using Linear and Nonlinear Techniques written by George D. Vendelin and published by John Wiley & Sons. This book was released on 2005-10-03 with total page 1080 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ultimate handbook on microwave circuit design with CAD. Full of tips and insights from seasoned industry veterans, Microwave Circuit Design offers practical, proven advice on improving the design quality of microwave passive and active circuits-while cutting costs and time. Covering all levels of microwave circuit design from the elementary to the very advanced, the book systematically presents computer-aided methods for linear and nonlinear designs used in the design and manufacture of microwave amplifiers, oscillators, and mixers. Using the newest CAD tools, the book shows how to design transistor and diode circuits, and also details CAD's usefulness in microwave integrated circuit (MIC) and monolithic microwave integrated circuit (MMIC) technology. Applications of nonlinear SPICE programs, now available for microwave CAD, are described. State-of-the-art coverage includes microwave transistors (HEMTs, MODFETs, MESFETs, HBTs, and more), high-power amplifier design, oscillator design including feedback topologies, phase noise and examples, and more. The techniques presented are illustrated with several MMIC designs, including a wideband amplifier, a low-noise amplifier, and an MMIC mixer. This unique, one-stop handbook also features a major case study of an actual anticollision radar transceiver, which is compared in detail against CAD predictions; examples of actual circuit designs with photographs of completed circuits; and tables of design formulae.
Book Synopsis Principles of Microwave Circuits by : Carol Gray Montgomery
Download or read book Principles of Microwave Circuits written by Carol Gray Montgomery and published by IET. This book was released on 1987 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers a detailed explanation of the development of the impedance concept and its equivalent microwave circuits.
Book Synopsis Microwave Engineering by : David M. Pozar
Download or read book Microwave Engineering written by David M. Pozar and published by John Wiley & Sons. This book was released on 2011-11-22 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pozar's new edition of Microwave Engineering includes more material on active circuits, noise, nonlinear effects, and wireless systems. Chapters on noise and nonlinear distortion, and active devices have been added along with the coverage of noise and more material on intermodulation distortion and related nonlinear effects. On active devices, there's more updated material on bipolar junction and field effect transistors. New and updated material on wireless communications systems, including link budget, link margin, digital modulation methods, and bit error rates is also part of the new edition. Other new material includes a section on transients on transmission lines, the theory of power waves, a discussion of higher order modes and frequency effects for microstrip line, and a discussion of how to determine unloaded.
Book Synopsis Artificial Transmission Lines for RF and Microwave Applications by : Ferran Martín
Download or read book Artificial Transmission Lines for RF and Microwave Applications written by Ferran Martín and published by John Wiley & Sons. This book was released on 2015-07-13 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents and discusses alternatives to ordinary transmission lines for the design and implementation of advanced RF/microwave components in planar technology. This book is devoted to the analysis, study and applications of artificial transmission lines mostly implemented by means of a host line conveniently modified (e.g., with modulation of transverse dimensions, with etched patterns in the metallic layers, etc.) or with reactive loading, in order to achieve novel device functionalities, superior performance, and/or reduced size. The author begins with an introductory chapter dedicated to the fundamentals of planar transmission lines. Chapter 2 is focused on artificial transmission lines based on periodic structures (including non-uniform transmission lines and reactively-loaded lines), and provides a comprehensive analysis of the coupled mode theory. Chapters 3 and 4 are dedicated to artificial transmission lines inspired by metamaterials, or based on metamaterial concepts. These chapters include the main practical implementations of such lines and their circuit models, and a wide overview of their RF/microwave applications (including passive and active circuits and antennas). Chapter 5 focuses on reconfigurable devices based on tunable artificial lines, and on non-linear transmission lines. The chapter also introduces several materials and components to achieve tuning, including diode varactors, RF-MEMS, ferroelectrics, and liquid crystals. Finally, Chapter 6 covers other advanced transmission lines and wave guiding structures, such as electroinductive-/magnetoinductive-wave lines, common-mode suppressed balanced lines, lattice-network artificial lines, and substrate integrated waveguides. Artificial Transmission Lines for RF and Microwave Applications provides an in-depth analysis and discussion of artificial transmission lines, including design guidelines that can be useful to researchers, engineers and students.
Book Synopsis RF and Microwave Power Amplifier Design by : Andrei Grebennikov
Download or read book RF and Microwave Power Amplifier Design written by Andrei Grebennikov and published by McGraw Hill Professional. This book was released on 2004-09-15 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a rigorous tutorial on radio frequency and microwave power amplifier design, teaching the circuit design techniques that form the microelectronic backbones of modern wireless communications systems. Suitable for self-study, corporate training, or Senior/Graduate classroom use, the book combines analytical calculations and computer-aided design techniques to arm electronic engineers with every possible method to improve their designs and shorten their design time cycles.
Book Synopsis Microwave Devices and Circuits by : Samuel Y. Liao
Download or read book Microwave Devices and Circuits written by Samuel Y. Liao and published by Pearson Education India. This book was released on 1990-09 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reflectionless Filters by : Matthew A. Morgan
Download or read book Reflectionless Filters written by Matthew A. Morgan and published by Artech House. This book was released on 2017-01-31 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: This invaluable resource introduces progressive techniques for the creation of sophisticated reflectionless filter topologies that have identically zero reflection coefficient at all frequencies. Practical implementations are discussed along with their advantages when compared to classical absorptive filters and their benefits in real-world systems such as up/down converters, multiplier chains, broadband amplifiers, analog-to-digital converters, and time-domain applications. This book offers insight into the innovative process of developing reflectionless filters from first principles using both lumped elements and transmission lines. Tools for the creation of reflectionless multiplexers, matched sloped equalizers, and advanced, high-order, and nonplanar topologies are also presented.
Book Synopsis Analytical Methodology of Tree Microstrip Interconnects Modelling For Signal Distribution by : Blaise Ravelo
Download or read book Analytical Methodology of Tree Microstrip Interconnects Modelling For Signal Distribution written by Blaise Ravelo and published by Springer Nature. This book was released on 2019-11-21 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the modelling methodology of microstrip interconnects, discussing various structures of single-input multiple-output (SIMO) tree interconnects for signal integrity (SI) engineering. Further, it describes lumped and distributed transmission line elements based on single-input single-output (SIMO) models of symmetric and asymmetric trees, and investigates more complicated phenomenon, such as interbranch coupling. The modelling approaches are based on the analytical methods using the Z-, Y- and T-matrices. The established method enables the S-parameters and voltage transfer function of SIMO tree to be determined. Providing illustrative results with frequency and time domain analyses for each tree interconnect structure, the book is a valuable resource for researchers, engineers, and graduate students in fields of analogue, RF/microwave, digital and mixed circuit design, SI and manufacturing engineering.
Book Synopsis Foundations for Microstrip Circuit Design by : Terry C. Edwards
Download or read book Foundations for Microstrip Circuit Design written by Terry C. Edwards and published by John Wiley & Sons. This book was released on 2016-02-01 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building on the success of the previous three editions, Foundations for Microstrip Circuit Design offers extensive new, updated and revised material based upon the latest research. Strongly design-oriented, this fourth edition provides the reader with a fundamental understanding of this fast expanding field making it a definitive source for professional engineers and researchers and an indispensable reference for senior students in electronic engineering. Topics new to this edition: microwave substrates, multilayer transmission line structures, modern EM tools and techniques, microstrip and planar transmision line design, transmission line theory, substrates for planar transmission lines, Vias, wirebonds, 3D integrated interposer structures, computer-aided design, microstrip and power-dependent effects, circuit models, microwave network analysis, microstrip passive elements, and slotline design fundamentals.
Book Synopsis Distributed Power Amplifiers for RF and Microwave Communications by : Narendra Kumar
Download or read book Distributed Power Amplifiers for RF and Microwave Communications written by Narendra Kumar and published by Artech House. This book was released on 2015-06-01 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new resource presents readers with all relevant information and comprehensive design methodology of wideband amplifiers. This book specifically focuses on distributed amplifiers and their main components, and presents numerous RF and microwave applications including well-known historical and recent architectures, theoretical approaches, circuit simulation, and practical implementation techniques. A great resource for practicing designers and engineers, this book contains numerous well-known and novel practical circuits, architectures, and theoretical approaches with detailed description of their operational principles.
