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| Author | : Howard Cam Luong |
| Publisher | : Cambridge University Press |
| Total Pages | : 200 |
| Release | : 2004-08-26 |
| Genre | : Technology & Engineering |
| ISBN | : 1139454579 |
Download Low-Voltage CMOS RF Frequency Synthesizers Book in PDF, ePub and Kindle
A frequency synthesizer is one of the most critical building blocks in any wireless transceiver system. Its design is getting more and more challenging as the demand for low-voltage low-power high-frequency wireless systems continuously grows. As the supply voltage is decreased, many existing design techniques are no longer applicable. This book provides the reader with architectures and design techniques to enable CMOS frequency synthesizers to operate at low supply voltage at high frequency with good phase noise and low power consumption. In addition to updating the reader on many of these techniques in depth, this book will also introduce useful guidelines and step-by-step procedure on behaviour simulations of frequency synthesizers. Finally, three successfully demonstrated CMOS synthesizer prototypes with detailed design consideration and description will be elaborated to illustrate potential applications of the architectures and design techniques described. For engineers, managers and researchers working in radio-frequency integrated-circuit design for wireless applications.
| Author | : Howard Cam Luong |
| Publisher | : |
| Total Pages | : 180 |
| Release | : 2004 |
| Genre | : Frequency synthesizers |
| ISBN | : 9780511214936 |
Download Low-voltage CMOS RF Frequency Synthesizers Book in PDF, ePub and Kindle
This book provides the reader with architectures and design techniques to enable CMOS frequency synthesizers to operate at low supply voltage at high-frequency with good phase noise and low power consumption. For engineers, managers and researchers working in RFIC design for wireless applications.
| Author | : Hyung-Seuk Kim |
| Publisher | : |
| Total Pages | : 200 |
| Release | : 2005 |
| Genre | : |
| ISBN | : |
Download Low Voltage CMOS Frequency Synthesizers for RF Applications Book in PDF, ePub and Kindle
"Frequency synthesizers play an important role in modern communications and timing systems. The output of frequency synthesizers may be used as the local oscillator signal in superheterodyne transceivers, or in frequency modulation/demodulation. Fully integrated CMOS RF synthesizers are currently a major research topic. Several publications demonstrated improvements in a variety of aspects such as phase noise, power consumption, and tuning range. However, very low voltage frequency synthesizers are very challenging, since they usually have a limited tuning range and a relatively high phase noise. This research work demonstrates a new architecture to achieve a wide tuning range and low phase noise from a very low voltage supply. The synthesizer is fully integrated in a 0.18 mum CMOS technology covering the 5 GHz WLAN frequency range, requiring only a 1-V power supply. The second part of this thesis consists of the implementation of a 2.4-GHz fractional-N frequency synthesizer to be compatible with two MEMS resonators that resonate at 20-MHz and 70-MHz." --
| Author | : Robert Bogdan Staszewski |
| Publisher | : John Wiley & Sons |
| Total Pages | : 281 |
| Release | : 2006-09-22 |
| Genre | : Technology & Engineering |
| ISBN | : 0470041943 |
Download All-Digital Frequency Synthesizer in Deep-Submicron CMOS Book in PDF, ePub and Kindle
A new and innovative paradigm for RF frequency synthesis and wireless transmitter design Learn the techniques for designing and implementing an all-digital RF frequency synthesizer. In contrast to traditional RF techniques, this innovative book sets forth digitally intensive design techniques that lead the way to the development of low-cost, low-power, and highly integrated circuits for RF functions in deep submicron CMOS processes. Furthermore, the authors demonstrate how the architecture enables readers to integrate an RF front-end with the digital back-end onto a single silicon die using standard ASIC design flow. Taking a bottom-up approach that progressively builds skills and knowledge, the book begins with an introduction to basic concepts of frequency synthesis and then guides the reader through an all-digital RF frequency synthesizer design: Chapter 2 presents a digitally controlled oscillator (DCO), which is the foundation of a novel architecture, and introduces a time-domain model used for analysis and VHDL simulation Chapter 3 adds a hierarchical layer of arithmetic abstraction to the DCO that makes it easier to operate algorithmically Chapter 4 builds a phase correction mechanism around the DCO such that the system's frequency drift or wander performance matches that of the stable external frequency reference Chapter 5 presents an application of the all-digital RF synthesizer Chapter 6 describes the behavioral modeling and simulation methodology used in design The final chapter presents the implementation of a full transmitter and experimental results. The novel ideas presented here have been implemented and proven in two high-volume, commercial single-chip radios developed at Texas Instruments: Bluetooth and GSM. While the focus of the book is on RF frequency synthesizer design, the techniques can be applied to the design of other digitally assisted analog circuits as well. This book is a must-read for students and engineers who want to learn a new paradigm for RF frequency synthesis and wireless transmitter design using digitally intensive design techniques.
| Author | : Keliu Shu |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 227 |
| Release | : 2006-01-20 |
| Genre | : Technology & Engineering |
| ISBN | : 0387236694 |
Download CMOS PLL Synthesizers: Analysis and Design Book in PDF, ePub and Kindle
Thanks to the advance of semiconductor and communication technology, the wireless communication market has been booming in the last two decades. It evolved from simple pagers to emerging third-generation (3G) cellular phones. In the meanwhile, broadband communication market has also gained a rapid growth. As the market always demands hi- performance and low-cost products, circuit designers are seeking hi- integration communication devices in cheap CMOS technology. The phase-locked loop frequency synthesizer is a critical component in communication devices. It works as a local oscillator for frequency translation and channel selection in wireless transceivers and broadband cable tuners. It also plays an important role as the clock synthesizer for data converters in the analog-and-digital signal interface. This book covers the design and analysis of PLL synthesizers. It includes both fundamentals and a review of the state-of-the-art techniques. The transient analysis of the third-order charge-pump PLL reveals its locking behavior accurately. The behavioral-level simulation of PLL further clarifies its stability limit. Design examples are given to clearly illustrate the design procedure of PLL synthesizers. A complete derivation of reference spurs in the charge-pump PLL is also presented in this book. The in-depth investigation of the digital CA modulator for fractional-N synthesizers provides insightful design guidelines for this important block.
| Author | : J. Craninckx |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 265 |
| Release | : 2013-06-29 |
| Genre | : Technology & Engineering |
| ISBN | : 1475728700 |
Download Wireless CMOS Frequency Synthesizer Design Book in PDF, ePub and Kindle
The recent boom in the mobile telecommunication market has trapped the interest of almost all electronic and communication companies worldwide. New applications arise every day, more and more countries are covered by digital cellular systems and the competition between the several providers has caused prices to drop rapidly. The creation of this essentially new market would not have been possible without the ap pearance of smalI, low-power, high-performant and certainly low-cost mobile termi nals. The evolution in microelectronics has played a dominant role in this by creating digital signal processing (DSP) chips with more and more computing power and com bining the discrete components of the RF front-end on a few ICs. This work is situated in this last area, i. e. the study of the full integration of the RF transceiver on a single die. Furthermore, in order to be compatible with the digital processing technology, a standard CMOS process without tuning, trimming or post-processing steps must be used. This should flatten the road towards the ultimate goal: the single chip mobile phone. The local oscillator (LO) frequency synthesizer poses some major problems for integration and is the subject of this work. The first, and also the largest, part of this text discusses the design of the Voltage Controlled Oscillator (VCO). The general phase noise theory of LC-oscillators is pre sented, and the concept of effective resistance and capacitance is introduced to char acterize and compare the performance of different LC-tanks.
| Author | : Cicero S. Vaucher |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 268 |
| Release | : 2006-04-18 |
| Genre | : Technology & Engineering |
| ISBN | : 0306479559 |
Download Architectures for RF Frequency Synthesizers Book in PDF, ePub and Kindle
This text describes a conceptual framework for analyzing the performance of PLL frequency synthesizers, and presents optimization procedures for the different performance aspects. It contains basic information and in-depth knowledge, widely illustrated with practical design examples used in industrial products.
| Author | : Adem Aktas |
| Publisher | : |
| Total Pages | : |
| Release | : 2004 |
| Genre | : Frequency synthesizers |
| ISBN | : |
Download Integrated RF CMOS Frequency Synthesizers and Oscillators for Wireless Applications Book in PDF, ePub and Kindle
Abstract: PLL (Phase-Locked Loop) frequency synthesizers are used in wireless transceivers for frequency conversion. Recent directions in PLL frequency synthesizer research and development are to fully integrate PLL synthesizers in CMOS technology, to improve phase noise performance, and to operate wide range of frequency bands and channel bandwidths. Fully integration of synthesizers in CMOS technology is desired for low cost, low power consumption and small size in mobile wireless terminals. Low phase noise is required by digital modulation techniques which have been used in new mobile standards for the efficient use of the frequency spectrum. Operation over a wide range of frequency bands and channel bandwidths are required to support migration and backward compatibility in the wireless standard evolution. This work investigates the PLL frequency synthesizer design and implementation in CMOS technology with focus on integration of wideband VCOs (Voltage-Controlled Oscillators). Phase noise of a PLL synthesizer is a major design parameter. A PLL noise model is developed for noise optimization purposes. Wideband RF VCO design with sub-bands is investigated. Frequency planning, synthesizer architecture and technology considerations are also explored for wideband VCO design. Band switching techniques VCO tuning range presented. Active VCO circuit topologies and resonator design are also presented. The PLL frequency synthesizers are designed and implemented for a multi-band/standard(IEEE 802.11a/b/g) WLAN radio in 0.18um CMOS. Phase noise trade-offs for PLL design are explored in this application. Development and design of a wideband VCO for this application is also presented. An auto calibration circuit is developed for VCO tuning band selection. Another application of the wideband PLL frequency synthesizer is designed and implemented for a fully integrated dual-mode frequency synthesizer for GSM and WCDMA standards in 0.5um CMOS. A hybrid integer-N/fractional-N architecture is developed to meet the multi-standard requirements. Design and implementation of high performance RF VCO depends on the RF models of the devices. RF CMOS characterization and modeling techniques are explored. Microwave wafer measurement and calibration techniques are also investigated for CMOS technology.
| Author | : Taoufik Bourdi |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 215 |
| Release | : 2007-03-06 |
| Genre | : Technology & Engineering |
| ISBN | : 1402059280 |
Download CMOS Single Chip Fast Frequency Hopping Synthesizers for Wireless Multi-Gigahertz Applications Book in PDF, ePub and Kindle
In this book, the authors outline detailed design methodology for fast frequency hopping synthesizers for RF and wireless communications applications. There is great emphasis on fractional-N delta-sigma based phase locked loops from specifications, system analysis and architecture planning to circuit design and silicon implementation. The developed techniques in the book can help in designing very low noise, high speed fractional-N frequency synthesizers.
| Author | : Howard Cam Luong |
| Publisher | : Springer |
| Total Pages | : 214 |
| Release | : 2015-10-07 |
| Genre | : Technology & Engineering |
| ISBN | : 3319158740 |
Download Transformer-Based Design Techniques for Oscillators and Frequency Dividers Book in PDF, ePub and Kindle
This book provides in-depth coverage of transformer-based design techniques that enable CMOS oscillators and frequency dividers to achieve state-of-the-art performance. Design, optimization, and measured performance of oscillators and frequency dividers for different applications are discussed in detail, focusing on not only ultra-low supply voltage but also ultra-wide frequency tuning range and locking range. This book will be an invaluable reference for anyone working or interested in CMOS radio-frequency or mm-Wave integrated circuits and systems.
