Design Of Cmos Distributed Amplifiers For Broadband Wireline And Wireless Communication Applications
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Design Of Cmos Distributed Amplifiers For Broadband Wireline And Wireless Communication Applications
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Author : Kambiz Khodayari Moez
language : en
Publisher:
Release Date : 2006
Design Of Cmos Distributed Amplifiers For Broadband Wireline And Wireless Communication Applications written by Kambiz Khodayari Moez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
While the RF building blocks of narrowband system-on-chip designs have increasingly been created in CMOS during the past decade, researchers have started to look at the possibility of implementation of broadband transceivers in CMOS technology. High speed optical links with operating frequencies of up to 40 GHz and ultra wideband (UWB) wireless systems operating in 3 to 10 GHz frequency band are examples of these broadband applications. CMOS offers a low fabrication cost, and a higher level of integration compared with compound semiconductor technologies that currently claim broadband RFIC applications. In this work, we focus on the design of broadband low-noise amplifiers: the fundamental building blocks of high data rate wireline and wireless telecommunication systems. A well established microwave engineering technique - distributed amplification - with a potential bandwidth up to the cut-off frequency of transistors is employed. However, the implementation of distributed amplifiers in CMOS imposes new challenges, such as gain attenuation because of substrate loss of on-chip inductors, a typical large die area, and a large noise-figure. These problems have been addressed in this dissertation as described below. On-chip inductors, the essential components of the distributed amplifiers' gate and drain transmission lines, dissipate more and more power in silicon substrates as well as in metal lines as frequency increases, which in turn reduces the gain and deteriorates the input/output matching. Using active negative resistors implemented by a capacitively source degenerated configuration, we have fully compensated the loss of the transmission lines in order to achieve a flat gain of 10 dB over the entire DC-to-44 GHz bandwidth. We have addressed another drawback of distributed amplifiers, large die area, by utilizing closely-placed RF transmission lines instead of spiral inductors. Because of a more compact implementation of transmission lines, the area of the distributed amplifiers is considerably reduced at the expense of extra design steps required for the modeling of the closely-placed RF transmission lines. A post-layout simulation method is developed to take into account the effect of inductive and capacitive coupling by incorporating a 3D EM simulator into the design process. A 9-dB 27-GHz distributed amplifier has been fabricated in an area as small as 0.17 mm2 using 180nm TSMC's CMOS process. For wireless applications (UWB), a very low-noise figure is required for the broadband preamplifier. Conventional distributed amplifiers fail to provide a low noise figure mainly because of the noise injected by the terminating resistor of the gate transmission lines. We have replaced the terminating resistor with a frequency-dependent resistor which trades off the low frequency input matching of the distributed amplifier (not required for UWB) with a better noise performance. Our proposed design provides a gain of 12 dB with an average noise figure of 3.4 dB over the entire 3-10 GHz band, advancing the state-of-the-art implementation of broadband LNAs.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2008
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Dissertations, Academic categories.
Circuits At The Nanoscale
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Author : Krzysztof Iniewski
language : en
Publisher: CRC Press
Release Date : 2018-10-08
Circuits At The Nanoscale written by Krzysztof Iniewski and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-08 with Technology & Engineering categories.
Circuits for Emerging Technologies Beyond CMOS New exciting opportunities are abounding in the field of body area networks, wireless communications, data networking, and optical imaging. In response to these developments, top-notch international experts in industry and academia present Circuits at the Nanoscale: Communications, Imaging, and Sensing. This volume, unique in both its scope and its focus, addresses the state-of-the-art in integrated circuit design in the context of emerging systems. A must for anyone serious about circuit design for future technologies, this book discusses emerging materials that can take system performance beyond standard CMOS. These include Silicon on Insulator (SOI), Silicon Germanium (SiGe), and Indium Phosphide (InP). Three-dimensional CMOS integration and co-integration with Microelectromechanical (MEMS) technology and radiation sensors are described as well. Topics in the book are divided into comprehensive sections on emerging design techniques, mixed-signal CMOS circuits, circuits for communications, and circuits for imaging and sensing. Dr. Krzysztof Iniewski is a director at CMOS Emerging Technologies, Inc., a consulting company in Vancouver, British Columbia. His current research interests are in VLSI ciruits for medical applications. He has published over 100 research papers in international journals and conferences, and he holds 18 international patents granted in the United States, Canada, France, Germany, and Japan. In this volume, he has assembled the contributions of over 60 world-reknown experts who are at the top of their field in the world of circuit design, advancing the bank of knowledge for all who work in this exciting and burgeoning area.
Circuits For Wireless Communications
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Author : Banlue Srisuchinwong
language : en
Publisher: Institute of Electrical & Electronics Engineers(IEEE)
Release Date : 2001
Circuits For Wireless Communications written by Banlue Srisuchinwong and has been published by Institute of Electrical & Electronics Engineers(IEEE) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Technology & Engineering categories.
Wireless communications is one of the fastest growing areas of communications technology. This book presents current and classic papers on circuits for wireless communications. Selected by three experts in the field, the text should be useful for students, engineers just beginning to work in cellular communications and experienced engineers who want a convenient and useful reference source.
Stanford Bulletin
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Author :
language : en
Publisher:
Release Date : 2001
Stanford Bulletin written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Science Abstracts
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Author :
language : en
Publisher:
Release Date : 1993
Science Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Electrical engineering categories.
Design Techniques For Microwave And Millimeter Wave Cmos Broadband Amplifiers
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Author : Shawn S. H. Hsu
language : en
Publisher:
Release Date : 2010
Design Techniques For Microwave And Millimeter Wave Cmos Broadband Amplifiers written by Shawn S. H. Hsu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
In this chapter, various aspects for the design of microwave and millimeter wave broadband amplifiers using modern CMOS technology were discussed. Section 1 briefly introduced the applications of broadband amplifiers in wireline/wireless communication systems. Section 2 illustrated the design considerations of transistors and inductive components using standard CMOS process. The transistor geometry and interconnect were shown to be critical to its high frequency response. The design tradeoffs were also analyzed for spiral inductors and transformers in CMOS technology. In section 3, different design techniques for broadband amplifiers were reviewed. Three inductor peaking techniques including shunt, shunt-series, and T-coil approaches were compared in details. Section 4 focused on the bandwidth enhancement techniques that we proposed for CMOS broadband amplifier design. With the proposed -type inductive peaking (PIP) technique, a 40 Gb/s transimpedance amplifier (TIA) was realized in 0.18-m CMOS technology. We also proposed an asymmetrical transformer peaking (ATP) technique to achieve a miniaturized 70 GHz broadband amplifier in 0.13-m CMOS technology with a core area of only ~ 0.05 mm2. The PIP and ATP design techniques can be utilized for many high-speed building blocks in wireline/wireless communications systems, such as laser/modulator driver, multiplexer/de-multiplexer, and low noise amplifier/power amplifier. The successfully demonstrated design techniques for enhancing the performance of CMOS integrated amplifiers at microwave and millimeter wave frequencies enable further studies for various applications.
Distributed Cmos Bidirectional Amplifiers
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Author : Ziad El-Khatib
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-05-02
Distributed Cmos Bidirectional Amplifiers written by Ziad El-Khatib and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-05-02 with Technology & Engineering categories.
This book describes methods to design distributed amplifiers useful for performing circuit functions such as duplexing, paraphrase amplification, phase shifting power splitting and power combiner applications. A CMOS bidirectional distributed amplifier is presented that combines for the first time device-level with circuit-level linearization, suppressing the third-order intermodulation distortion. It is implemented in 0.13um RF CMOS technology for use in highly-linear, low-cost UWB Radio-over-Fiber communication systems.
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.
Linear Cmos Rf Power Amplifiers For Wireless Applications
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Author : Paulo Augusto Dal Fabbro
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-06-22
Linear Cmos Rf Power Amplifiers For Wireless Applications written by Paulo Augusto Dal Fabbro and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-22 with Technology & Engineering categories.
Advances in electronics have pushed mankind to create devices, ranging from - credible gadgets to medical equipment to spacecraft instruments. More than that, modern society is getting used to—if not dependent on—the comfort, solutions, and astonishing amount of information brought by these devices. One ?eld that has continuously bene?tted from those advances is the radio frequency integrated c- cuit (RFIC) design, which in its turn has promoted countless bene?ts to the mankind as a payback. Wireless communications is one prominent example of what the - vances in electronics have enabled and their consequences to our daily life. How could anyone back in the eighties think of the possibilities opened by the wireless local area networks (WLANs) that can be found today in a host of places, such as public libraries, coffee shops, trains, to name just a few? How can a youngster, who lives this true WLAN experience nowadays, imagine a world without it? This book dealswith the design oflinearCMOS RF PowerAmpli?ers(PAs). The RF PA is a very important part of the RF transceiver, the device that enables wireless communications. Two important aspects that are key to keep the advances in RF PA design at an accelerate pace are treated: ef?ciency enhancement and frequen- tunable capability. For this purpose, the design of two different integrated circuits realizedina0. 11μmtechnologyispresented,eachoneaddressingadifferentaspect. With respect to ef?ciency enhancement, the design of a dynamic supply RF power ampli?er is treated, making up the material of Chaps. 2 to 4.