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Author : Yu Albert Wang
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book RF MEMS switches and phase shifters for three-dimensional MMIC phased array antenna systems written by Yu Albert Wang and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yu Albert Wang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (54 download)
Download or read book RF MEMS Switches and Phase Shifters for 3D MMIC Phased Array Antenna Systems written by Yu Albert Wang and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to incorporate the RF MEMS technology with the 3D MMICs technology, a novel RF MEMS switch was designed and implemented in a 3D MMIC circuit environment. RF MEMS switches possess many advantages compared to traditional solid-state switches, such as high electromechanical isolation, and ultra-low power consumption. The novelty of this switch was that it was based on low temperature processing techniques. Design equations for a shielded coplanar waveguide were derived for the switch. Traditional lumped element capacitor model and this newly developed distributed transmission line models were compared against measured data to verify their validity. While measurement results show good agreement with both models, the distributed model consistently demonstrated better match than its lumped element counterpart. Test and measurement results showed that a typical RF MEMS switch was capable of delivering less than 0.2dB insertion loss and more than 14.1dB isolation between input and output ports at X-band (8GHz-12GHz). This RF MEMS switch required only 12V actuation voltage while it was capable of handling 2.88W RF power before "hot-switching" occurs. Hysteretic phenomenon of RF MEMS switches was observed; release voltage threshold was found to be around 2V 4V, much lower than the one required for pulling down the structure. Switching speeds of RF MEMS switches with different beam strength were measured using a novel experimental setup utilizing couplers as bias networks. The fastest switches demonstrated maximum switching speed of 3.571 kHz and more than 10,800,000 life cycles. As the application of RF MEMS switches, a 4-bit digital phase shifter was designed and fabricated. 180ʻ bit and 90ʻ bits were realized using reflection type phase shifters, while the 45ʻ and 22.5ʻ bits were achieved using loaded-line type phase shifters. A novel reflection type phase shifter loaded with multiple switch pairs was developed and was capable of delivering multiple phase shift angles within one circuit stage. Phase shifter measurement results were consistent with simulated results.
Author : Gabriel M. Rebeiz
Publisher : John Wiley & Sons
ISBN 13 : 0471462888
Total Pages : 512 pages
Book Rating : 4.4/5 (714 download)
Download or read book RF MEMS written by Gabriel M. Rebeiz and published by John Wiley & Sons. This book was released on 2004-02-06 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasmall Radio Frequency and Micro-wave Microelectromechanical systems (RF MEMs), such as switches, varactors, and phase shifters, exhibit nearly zero power consumption or loss. For this reason, they are being developed intensively by corporations worldwide for use in telecommunications equipment. This book acquaints readers with the basics of RF MEMs and describes how to design practical circuits and devices with them. The author, an acknowledged expert in the field, presents a range of real-world applications and shares many valuable tricks of the trade.
Author : Shiban Kishen Koul
Publisher : CRC Press
ISBN 13 : 135102132X
Total Pages : 309 pages
Book Rating : 4.3/5 (51 download)
Download or read book Radio Frequency Micromachined Switches, Switching Networks, and Phase Shifters written by Shiban Kishen Koul and published by CRC Press. This book was released on 2019-05-03 with total page 309 pages. Available in PDF, EPUB and Kindle. Book excerpt: Radio Frequency Micromachined Switches, Switching Networks, and Phase Shifters discusses radio frequency microelectromechanical systems (RF MEMS)-based control components and will be useful for researchers and R&D engineers. It offers an in-depth study, performance analysis, and extensive characterization on micromachined switches and phase shifters. The reader will learn about basic design methodology and techniques to carry out extensive measurements on MEMS switches and phase shifters which include electrical, mechanical, power handling, linearity, temperature stability, reliability, and radio frequency performance. Practical examples included in the book will help readers to build high performance systems/subsystems using micromachined circuits. Key Features Provides simple design methodology of MEMS switches and switching networks including SPST to SP16T switches Gives an in-depth performance study of micromachined phase shifters. Detailed study on reliability and power handling capability of RF MEMS switches and phase shifters presented Proposes reconfigurable micromachined phase shifters Verifies a variety of MEMS switches and phase shifters experimentally
Author : Trupti Ranjan Lenka
Publisher : Springer Nature
ISBN 13 : 9811923086
Total Pages : 519 pages
Book Rating : 4.8/5 (119 download)
Download or read book Micro and Nanoelectronics Devices, Circuits and Systems written by Trupti Ranjan Lenka and published by Springer Nature. This book was released on 2022-09-12 with total page 519 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents select proceedings of the International Conference on Micro and Nanoelectronics Devices, Circuits and Systems (MNDCS-2022). The book includes cutting-edge research papers in the emerging fields of micro and nanoelectronics devices, circuits, and systems from experts working in these fields over the last decade. The book is a unique collection of chapters from different areas with a common theme and is immensely useful to academic researchers and practitioners in the industry who work in this field.
Author : Balwinder Baj
Publisher : World Scientific
ISBN 13 : 9811279543
Total Pages : 450 pages
Book Rating : 4.8/5 (112 download)
Download or read book Distributed Intelligent Circuits And Systems written by Balwinder Baj and published by World Scientific. This book was released on 2024-03-06 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main objective of this book is to provide insights into recent advances in distributed intelligent circuits, systems and their applications. Distributed intelligence is the key enabler for innovations in machine-to-machine communications. The innovations are directed towards keeping existing algorithms as the base and developing new intelligent systems by employing smart technologies. Artificial intelligence (AI) and, more specifically, deep learning (DL) are receiving significant attention in assisting doctors in the detection of disease patterns without much human intervention. In agriculture, robots automate slow, repetitive and dull tasks, allowing farmers to focus more on improving overall production yields.The evolving trends point to the interface of artificial intelligence with machines being a factor in enhancing the decision-making capabilities of smart machines. This book provides relevant theoretical frameworks that include basic models, algorithms, circuit designs and the latest developments in experimental aspects in the field of distributed intelligence systems for industrial applications. The challenges encountered in the development of models for distributed intelligence systems for environmental monitoring are mitigated with artificial intelligence, machine learning and deep learning. This book identifies challenges and helps in applying solutions in the development of advanced intelligent systems for environmental monitoring.
Author : Yufeng Jin
Publisher : CRC Press
ISBN 13 : 1439865973
Total Pages : 232 pages
Book Rating : 4.4/5 (398 download)
Download or read book Introduction to Microsystem Packaging Technology written by Yufeng Jin and published by CRC Press. This book was released on 2017-12-19 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: The multi-billion-dollar microsystem packaging business continues to play an increasingly important technical role in today’s information industry. The packaging process—including design and manufacturing technologies—is the technical foundation upon which function chips are updated for use in application systems, and it is an important guarantee of the continued growth of technical content and value of information systems. Introduction to Microsystem Packaging Technology details the latest advances in this vital area, which involves microelectronics, optoelectronics, RF and wireless, MEMS, and related packaging and assembling technologies. It is purposefully written so that each chapter is relatively independent and the book systematically presents the widest possible overview of packaging knowledge. Elucidates the evolving world of packaging technologies for manufacturing The authors begin by introducing the fundamentals, history, and technical challenges of microsystems. Addressing an array of design techniques for packaging and integration, they cover substrate and interconnection technologies, examples of device- and system-level packaging, and various MEMS packaging techniques. The book also discusses module assembly and optoelectronic packaging, reliability methodologies and analysis, and prospects for the evolution and future applications of microsystems packaging and associated environmental protection. With its research examples and targeted reference questions and answers to reinforce understanding, this text is ideal for researchers, engineers, and students involved in microelectronics and MEMS. It is also useful to those who are not directly engaged in packaging but require a solid understanding of the field and its associated technologies.
Author : Christian James Aguilar Armenta
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (879 download)
Download or read book Monolithic Integration of RF-MEMS Switches with Reconfigurable Phased Array Antennas written by Christian James Aguilar Armenta and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Matthew A. Morton
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (173 download)
Download or read book Development of Monolithic SiGe and Packaged RF MEMS High-linearity Five-bit High-low Pass Phase Shifters for SoC X-band T/R Modules written by Matthew A. Morton and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive study of the High-pass/Low-pass topology has been performed, increasing the understanding of error sources arising from bit layout issues and fabrication tolerances. This included a detailed analysis of error sources in monolithic microwave phase shifters due to device size limitations, inductor parasitics, loading effects, and non-ideal switches. Each component utilized in the implementation of a monolithic high-low pass phase shifter was analyzed, with its influence on phase behavior shown in detail. An emphasis was placed on the net impact on absolute phase variation, which is critical to the system performance of a phased array radar system. The design of the individual phase shifter filter sections, and the influence of bit ordering on overall performance was also addressed. A variety of X-band four- and five-bit phase shifters were fabricated in a 200 GHz SiGe HBT BiCMOS technology platform, and further served to validate the analysis and design methodology. The SiGe phase shifter can be successfully incorporated into a single-chip T/R module forming a system-on-a-chip (SoC). Reduction in the physical size of transmission lines was shown to be a possibility with spinel magnetic nanoparticle films. The signal transmission properties of phase lines treated with nanoparticle thin films were examined, showing the potential for significant size reduction in both delay line and High-pass/Low-pass phase topologies. Wide-band, low-loss, and near-hermetic packaging techniques for RF MEMS devices were presented. A thermal compression bonding technique compatible with standard IC fabrication techniques was shown, that uses a low temperature thermal compression bonding method that avoids plastic deformations of the MEMS membrane. Ultimately, a system-on-a-package (SoP) approach was demonstrated that utilized packaged RF MEMS switches to maintain the performance of the SiGe phase shifter with much lower loss. The extremely competitive performance of the MEMS-based High-pass/Low-pass phase shifter, despite the lack of the extensive toolkits and commercial fabrication facilities employed with the active-based SiGe phase shifters, confirms both the effectiveness of the detailed phase error analysis presented in this work and the robust nature of the High-pass/Low-pass topology.
Author : V. Suma
Publisher : Springer Nature
ISBN 13 : 9811613958
Total Pages : 992 pages
Book Rating : 4.8/5 (116 download)
Download or read book Inventive Systems and Control written by V. Suma and published by Springer Nature. This book was released on 2021-06-07 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents selected papers from the 5th International Conference on Inventive Systems and Control (ICISC 2021), held on 7–8 January 2021 at JCT College of Engineering and Technology, Coimbatore, India. The book includes an analysis of the class of intelligent systems and control techniques that utilises various artificial intelligence technologies, where there are no mathematical models and systems available to make them remain controlled. Inspired by various existing intelligent techniques, the primary goal is to present the emerging innovative models to tackle the challenges faced by the existing computing and communication technologies. The proceedings of ICISC 2021 aim at presenting the state-of-the-art research developments, trends, and solutions for the challenges faced by the intelligent systems and control community with the real-world applications. The included research articles feature the novel and unpublished research works on intelligent system representation and control.
Author : Deepak Uttamchandani
Publisher : Elsevier
ISBN 13 : 0857098616
Total Pages : 640 pages
Book Rating : 4.8/5 (57 download)
Download or read book Handbook of Mems for Wireless and Mobile Applications written by Deepak Uttamchandani and published by Elsevier. This book was released on 2013-08-31 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: The increasing demand for mobile and wireless sensing necessitates the use of highly integrated technology featuring small size, low weight, high performance and low cost: micro-electro-mechanical systems (MEMS) can meet this need. The Handbook of MEMS for wireless and mobile applications provides a comprehensive overview of radio frequency (RF) MEMS technologies and explores the use of these technologies over a wide range of application areas.Part one provides an introduction to the use of RF MEMS as an enabling technology for wireless applications. Chapters review RF MEMS technology and applications as a whole before moving on to describe specific technologies for wireless applications including passive components, phase shifters and antennas. Packaging and reliability of RF MEMS is also discussed. Chapters in part two focus on wireless techniques and applications of wireless MEMS including biomedical applications, such as implantable MEMS, intraocular pressure sensors and wireless drug delivery. Further chapters highlight the use of RF MEMS for automotive radar, the monitoring of telecommunications reliability using wireless MEMS and the use of optical MEMS displays in portable electronics.With its distinguished editor and international team of expert authors, the Handbook of MEMS for wireless and mobile applications is a technical resource for MEMS manufacturers, the electronics industry, and scientists, engineers and academics working on MEMS and wireless systems. Reviews the use of radio frequency (RF) MEMS as an enabling technology for wireless applications Discusses wireless techniques and applications of wireless MEMS, including biomedical applications Describes monitoring structures and the environment with wireless MEMS
Author : Ashok K. Agrawal
Publisher : Artech House
ISBN 13 : 1630819905
Total Pages : 281 pages
Book Rating : 4.6/5 (38 download)
Download or read book Practical Aspects of Active Phased Array Antenna Development written by Ashok K. Agrawal and published by Artech House. This book was released on 2023-05-31 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a practical and comprehensive guide to the design, analysis, and development of an active phased array antenna system. Reflecting the author’s decades of experience with these systems, the book is unique in that it pulls together in one volume key information from several disciplines and covers all the components of an active phased array antenna system, giving you the full scope of knowledge necessary to confidently design systems with high reliability and maintainability. It walks you through the multiple aspects of the active phased array antenna system design, with inputs from diverse specialties such as aperture design, T/R module design, hybrid lab, beam steering control, mechanical engineering, and manufacturing – helping you avoid problems that often require the redesign of some of the components of the antenna system. You will find step-by-step guidance on the design and analysis of an active phased array antenna system, including T/R modules, DC/DC converters, beamformers, beam steering controller, antenna packaging, thermal management, and antenna calibration in the field. You will also find details on antenna design for high reliability and clutter improvement factor, digital beamforming arrays, and strategies for cost reduction. With its unique coverage and practical approach, this is an important book for engineers new to the field as well as experienced antenna and radar engineers working on active phased array antenna systems.
Author : Onur Hamza Karabey
Publisher : Springer Science & Business Media
ISBN 13 : 3319014242
Total Pages : 177 pages
Book Rating : 4.3/5 (19 download)
Download or read book Electronic Beam Steering and Polarization Agile Planar Antennas in Liquid Crystal Technology written by Onur Hamza Karabey and published by Springer Science & Business Media. This book was released on 2013-08-04 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the characterization of liquid crystal materials at microwave frequencies and the usage of these materials in reconfigurable planar antennas and in their electrical tunable components. It reports for the first time the realization of a two-dimensional electronic beam steering antenna and polarization agile planar antennas with liquid crystal display technology. It gives a detailed description of all the theoretical analyses, modeling and design methods that were involved in the realization of these devices as well as their validation using measurement of demonstrative prototypes. This book also shows that low profile, low cost, high gain, electronic beam steering and polarization agile antennas can be fabricated in larger sizes by using existing automated liquid crystal display manufacturing techniques. The innovative ideas and method described in this work represent a considerable advancement in the field of electronically reconfigurable antennas based on liquid crystal technology and are expected to draw significant interest in the future. Such antennas may become important, for example, in mobile terminals integrated into the body of laptops (in the cover) or of automobiles (in the rooftop), ships or boats, for which flat, low-profile and low-cost antennas are required.
Author : Guan Leng Tan
Publisher :
ISBN 13 :
Total Pages : 402 pages
Book Rating : 4.3/5 (91 download)
Download or read book High-performance RF MEMS Circuits and Phase Shifters written by Guan Leng Tan and published by . This book was released on 2002 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Apostolos Georgiadis
Publisher : John Wiley & Sons
ISBN 13 : 1118406354
Total Pages : 552 pages
Book Rating : 4.1/5 (184 download)
Download or read book Microwave and Millimeter Wave Circuits and Systems written by Apostolos Georgiadis and published by John Wiley & Sons. This book was released on 2012-09-17 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microwave and Millimeter Wave Circuits and Systems: Emerging Design, Technologies and Applications provides a wide spectrum of current trends in the design of microwave and millimeter circuits and systems. In addition, the book identifies the state-of-the art challenges in microwave and millimeter wave circuits systems design such as behavioral modeling of circuit components, software radio and digitally enhanced front-ends, new and promising technologies such as substrate-integrated-waveguide (SIW) and wearable electronic systems, and emerging applications such as tracking of moving targets using ultra-wideband radar, and new generation satellite navigation systems. Each chapter treats a selected problem and challenge within the field of Microwave and Millimeter wave circuits, and contains case studies and examples where appropriate. Key Features: Discusses modeling and design strategies for new appealing applications in the domain of microwave and millimeter wave circuits and systems Written by experts active in the Microwave and Millimeter Wave frequency range (industry and academia) Addresses modeling/design/applications both from the circuit as from the system perspective Covers the latest innovations in the respective fields Each chapter treats a selected problem and challenge within the field of Microwave and Millimeter wave circuits, and contains case studies and examples where appropriate This book serves as an excellent reference for engineers, researchers, research project managers and engineers working in R&D, professors, and post-graduates studying related courses. It will also be of interest to professionals working in product development and PhD students.
Author : Shiban Kishen Koul
Publisher : Springer Nature
ISBN 13 : 9811694435
Total Pages : 386 pages
Book Rating : 4.8/5 (116 download)
Download or read book Micromachined Circuits and Devices written by Shiban Kishen Koul and published by Springer Nature. This book was released on 2022-02-07 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the design of different switching and resonant devices using the present state-of-the-art radio frequency (RF) micromachining (MEMS) technology. Different topologies of MEMS switches have been discussed considering optimum performances over microwave to millimeter wave frequency range. Wide varieties of micromachined switching networks starting from single-pole-double-throw (SPDT) to single-pole-fourteen-throw (SP14T) are discussed utilizing vertical and lateral actuation movements of the switch. Different transduction mechanisms of micromachined resonators are highlighted that includes capacitive, piezoelectric, and piezoresistive types. The book provides major design guidelines for the development of MEMS-based digital phase shifters, tunable filters, and antennas with extensive measurement data. Apart from the radio frequency (RF) requirements, an extensive guideline is given for the improvement of the reliability of micromachined switches and digital phase shifters where multiple switches are operating simultaneously. It takes multiple iterations and extensive characterizations to conclude with a reliable MEMS digital phase shifter, and these aspects are given one of the prime attentions in this book. Detailed performance analysis of metamaterial inspired MEMS switches is then discussed for application in millimeter wave frequency bands up to about 170 GHz. The book concludes with future research activities of RF MEMS technology and its potential in space, defense, sensors, and biomedical applications.
Author : Subarna Shakya
Publisher : Springer Nature
ISBN 13 : 9811618666
Total Pages : 875 pages
Book Rating : 4.8/5 (116 download)
Download or read book Mobile Computing and Sustainable Informatics written by Subarna Shakya and published by Springer Nature. This book was released on 2021-07-22 with total page 875 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers selected high-quality research papers presented at International Conference on Mobile Computing and Sustainable Informatics (ICMCSI 2021) organized by Pulchowk Campus, Institute of Engineering, Tribhuvan University, Nepal, during 29–30 January 2021. The book discusses recent developments in mobile communication technologies ranging from mobile edge computing devices, to personalized, embedded and sustainable applications. The book covers vital topics like mobile networks, computing models, algorithms, sustainable models and advanced informatics that supports the symbiosis of mobile computing and sustainable informatics.
