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Algan Gan Hemt Power Amplifiers With Optimized Power Added Efficiency For X Band Applications

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Algan Gan Hemt Power Amplifiers With Optimized Power Added Efficiency For X Band Applications

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Author : Jutta Kühn
language : en
Publisher: KIT Scientific Publishing
Release Date : 2011

Algan Gan Hemt Power Amplifiers With Optimized Power Added Efficiency For X Band Applications written by Jutta Kühn and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Power amplifiers categories.

This work has arisen out of the strong demand for a superior power-added efficiency (PAE) of AlGaN/GaN high electron mobility transistor (HEMT) high-power amplifiers (HPAs) that are part of any advanced wireless multifunctional RF-system with limited prime energy. Different concepts and approaches on device and design level for PAE improvements are analyzed, e.g. structural and layout changes of the GaN transistor and advanced circuit design techniques for PAE improvements of GaN HEMT HPAs.

Algan Gan Hemt Power Amplifiers With Optimized Power Added Efficiency For X Band Applications

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Author : Jutta Kühn
language : en
Publisher:
Release Date : 2011

Algan Gan Hemt Power Amplifiers With Optimized Power Added Efficiency For X Band Applications written by Jutta Kühn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.

Iccwcs 2019

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Author : Jamal Zbitou
language : en
Publisher: European Alliance for Innovation
Release Date : 2019

Iccwcs 2019 written by Jamal Zbitou and has been published by European Alliance for Innovation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Technology & Engineering categories.

Today, computer science engineering and telecommunications are two important areas linked and even inseparable. This is obvious for the user who connects the modem of his computer on his mobile phone or telephone line to access, via the global data network, the information available on the servers. The both domains are evolving rapidly and the development of new architectures of systems dedicated to telecommunications and computing becomes essential. Especially, wireless transmission systems with high data rate. Two parts of these systems should be developed software and hardware. Another area that is renewable energies becomes more attractive for researchers in order to develop new conversion systems with good performances, and a good optimization of energy. For example, in wireless sensor systems, we try to develop new protocols permitting to have a good autonomy in terms of energy.

Hybrid And Advanced Technologies

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Author : S. Prasad Jones Christydass
language : en
Publisher: CRC Press
Release Date : 2025-03-21

Hybrid And Advanced Technologies written by S. Prasad Jones Christydass and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-03-21 with Technology & Engineering categories.

The proceedings of the International Conference on Hybrid and Advanced Technologies (ICHAT 2024) present a rich repository of cutting-edge research on the various applications of machine learning, deep learning and AI in cybersecurity, healthcare, agriculture and communication systems. It highlights the revolutionary potential of data science in transforming traditional practices, improving efficiency and accuracy across diverse domains and addressing complex real-world challenges. These proceedings contain innovative neural-network models for agriculture that can predict tractor fuel consumption and optimize smart irrigation, besides suggesting greenhouse automation for enhanced agricultural productivity. It also provides a roadmap for IoT-based monitoring systems for asthma patients and machine learning approaches for early detection of diabetes, cancer and aquatic plant ailments. Through an array of practical examples and comparative studies, the book further highlights advancements in machine learning for enhancing palm vein authentication, combating fake news, keeping data safe and improving customer segmentation in e-commerce. The findings would be instrumental in combating critical global issues and foster a deeper understanding of the role of AI in image processing, cybersecurity, medical diagnostics and intelligent systems in the future. This will be a highly interesting guide to researchers, data scientists and practicing professionals in the fields of artificial intelligence, machine learning and cybersecurity. It will also be of interest to healthcare professionals, agricultural scientists and technology enthusiasts in fostering global collaborations, exploring future challenges and opportunities and introducing state-of-the-art technologies to streamline processes.

Motion Compensation For Near Range Synthetic Aperture Radar Applications

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Author : Huaming Wu
language : en
Publisher: KIT Scientific Publishing
Release Date : 2014-07-30

Motion Compensation For Near Range Synthetic Aperture Radar Applications written by Huaming Wu and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-30 with Technology & Engineering categories.

The work focuses on the analysis of influences of motion errors on near-range SAR applications and design of specific motion measuring and compensation algorithms. First, a novel metric to determine the optimum antenna beamwidth is proposed. Then, a comprehensive investigation of influences of motion errors on the SAR image is provided. On this ground, new algorithms for motion measuring and compensation using low cost inertial measurement units (IMU) are developed and successfully demonstrated.

Active Radar Cross Section Reduction

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Author : Hema Singh
language : en
Publisher: Cambridge University Press
Release Date : 2015-03-02

Active Radar Cross Section Reduction written by Hema Singh and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-03-02 with History categories.

This book discusses the active and passive radar cross section (RCS) estimation and techniques to examine the low observable aerospace platforms. It begins with the fundamentals of RCS, followed by the dielectric, magnetic and metamaterials parameters of the constituent materials and then explains various methods and the emerging trends followed in this area of study. The RCS estimation of phased array including the mutual coupling effect is also presented in detail in the book. The active RCS reduction is carefully touched upon through the performance of phased arrays, sidelobe cancellers and mitigation of multipath effect. Providing information on various adaptive algorithms like least mean square (LMS), recursive least square (RLS) and weighted least square algorithms, the authors also mention the recent developments in the area of embedded antennas, conformal load bearing antenna, metamaterials and frequency selective surface (FSS) based RCS reduction.

Switchmode Rf And Microwave Power Amplifiers

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Author : Andrei Grebennikov
language : en
Publisher: Academic Press
Release Date : 2021-03-19

Switchmode Rf And Microwave Power Amplifiers written by Andrei Grebennikov and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-19 with Technology & Engineering categories.

Switchmode RF and Microwave Power Amplifiers, Third Edition is an essential reference book on developing RF and microwave switchmode power amplifiers. The book combines theoretical discussions with practical examples, allowing readers to design high-efficiency RF and microwave power amplifiers on different types of bipolar and field-effect transistors, design any type of high-efficiency switchmode power amplifiers operating in Class D or E at lower frequencies and in Class E or F and their subclasses at microwave frequencies with specified output power, also providing techniques on how to design multiband and broadband Doherty amplifiers using different bandwidth extension techniques and implementation technologies. This book provides the necessary information to understand the theory and practical implementation of load-network design techniques based on lumped and transmission-line elements. It brings a unique focus on switchmode RF and microwave power amplifiers that are widely used in cellular/wireless, satellite and radar communication systems which offer major power consumption savings. - Provides a complete history of high-efficiency Class E and Class F techniques - Presents a new chapter on Class E with shunt capacitance and shunt filter to simplify the design of high-efficiency power amplifier with broader frequency bandwidths - Covers different Doherty architectures, including integrated and monolithic implementations, which are and will be, used in modern communication systems to save power consumption and to reduce size and costs - Includes extended coverage of multiband and broadband Doherty amplifiers with different frequency ranges and output powers using different bandwidth extension techniques - Balances theory with practical implementation, avoiding a cookbook approach and enabling engineers to develop better designs, including hybrid, integrated and monolithic implementations

Fundamentals Of Rf And Microwave Techniques And Technologies

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Author : Hans L. Hartnagel
language : en
Publisher: Springer Nature
Release Date : 2023-07-28

Fundamentals Of Rf And Microwave Techniques And Technologies written by Hans L. Hartnagel and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-28 with Science categories.

The increase of consumer, medical and sensors electronics using radio frequency (RF) and microwave (MW) circuits has implications on overall performances if design is not robust and optimized for a given applications. The current and later generation communication systems and Internet of Thing (IoT) demand for robust electronic circuits with optimized performance and functionality, but low cost, size, and power consumption. As a result, there is a need for a textbook that provides a comprehensive treatment of the subject. This book provides state-of-the-art coverage of RF and Microwave Techniques and Technologies, covers important topics: transmission-line theory, passive and semiconductor devices, active and passive microwave circuits and receiver systems, as well as antennas, noise and digital signal modulation schemes. With an emphasis on theory, design, and applications, this book is targeted to students, teachers, scientists, and practicing design engineers who are interested in broadening their knowledge of RF and microwave electronic circuit design. Readers will also benefit from a unique integration of theory and practice, provides the readers a solid understanding of the RF and microwave concepts, active and passive components, antenna, and modulation schemes. Readers will learn to solve common design problems ranging from selection of components, matching networks to biasing and stability, and digital modulation techniques. More importantly, it provides basic understanding in the analysis and design of RF and microwave circuits in a manner that is practiced in industry. This make sure that the know-how learned in this book can be effortlessly and straightway put into practice without any obstacles.

Broadband Rf And Microwave Amplifiers

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Author : Andrei Grebennikov
language : en
Publisher: CRC Press
Release Date : 2017-07-12

Broadband Rf And Microwave Amplifiers written by Andrei Grebennikov and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-12 with Computers categories.

Broadband RF and Microwave Amplifiers provides extensive coverage of broadband radio frequency (RF) and microwave power amplifier design, including well-known historical and recent novel schematic configurations, theoretical approaches, circuit simulation results, and practical implementation strategies. The text begins by introducing two-port networks to illustrate the behavior of linear and nonlinear circuits, explaining the basic principles of power amplifier design, and discussing impedance matching and broadband power amplifier design using lumped and distributed parameters. The book then: Shows how dissipative or lossy gain-compensation-matching circuits can offer an important trade-off between power gain, reflection coefficient, and operating frequency bandwidth Describes the design of broadband RF and microwave amplifiers using real frequency techniques (RFTs), supplying numerous examples based on the MATLAB® programming process Examines Class-E power amplifiers, Doherty amplifiers, low-noise amplifiers, microwave gallium arsenide field-effect transistor (GaAs FET)-distributed amplifiers, and complementary metal-oxide semiconductor (CMOS) amplifiers for ultra-wideband (UWB) applications Broadband RF and Microwave Amplifiers combines theoretical analysis with practical design to create a solid foundation for innovative ideas and circuit design techniques.

Circuit Design For Modern Applications

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Author : A. Andrew Roobert
language : en
Publisher: CRC Press
Release Date : 2025-02-05

Circuit Design For Modern Applications written by A. Andrew Roobert and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-02-05 with Technology & Engineering categories.

This book offers a clear exploration of cutting-edge semiconductor circuit technologies and their practical applications. It covers topics like advanced transistor design, low-power consumption techniques, and high-performance circuit design. Circuit Design for Modern Applications explores the recent innovations in semiconductor technology. Bandgap reference circuits, quad model transistors, voltagecontrolled oscillators, LDO regulators, power amplifiers, low noise amplifiers, operational amplifiers, low-power CNTFET-based quaternary multipliers, and STT MRAM-based cache memory for multicore systems are discussed. It points out the difficulties in designing CMOS analog and RF circuits for mmWave applications and looks into newly developed field-effect transistors for an alternate solution. Innovative devices such as III-V material-based HEMTs, and junctionless FETs are discussed. The book also looks at creative ways to improve circuit performance and energy efficiency, which is a useful resource for academics, researchers, and industry experts working in semiconductors. This book will help the readers to stay on the cutting edge of contemporary circuit design technologies, covering various topics from fundamental circuit design to high-performance circuits.

Algan Gan Hemt Power Amplifiers With Optimized Power Added Efficiency For X Band Applications

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