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Author: Suman Shruti Publisher: LAP Lambert Academic Publishing ISBN: 9783659748677 Category : Languages : en Pages : 84
Book Description
A voltage controlled ring oscillator plays very important role in high speed systems due to its easy integration capability. The analysis of different VCOs and their applications are discussed and analyzed in this book. There are number of applications of ring VCOs, one of the most important application is phase locked loop. The main task of the PLL is to maintain the coherence between output signal and reference signal by phase comparison. The proposed PLL using improved performance voltage controlled ring oscillator shows better performance in terms of frequency range and power consumption.
Author: Suman Shruti Publisher: LAP Lambert Academic Publishing ISBN: 9783659748677 Category : Languages : en Pages : 84
Book Description
A voltage controlled ring oscillator plays very important role in high speed systems due to its easy integration capability. The analysis of different VCOs and their applications are discussed and analyzed in this book. There are number of applications of ring VCOs, one of the most important application is phase locked loop. The main task of the PLL is to maintain the coherence between output signal and reference signal by phase comparison. The proposed PLL using improved performance voltage controlled ring oscillator shows better performance in terms of frequency range and power consumption.
Author: Fatemeh Taghizadehmarvast Publisher: LAP Lambert Academic Publishing ISBN: 9783659357022 Category : Languages : en Pages : 116
Book Description
This thesis is presented 10 GHz voltage controlled ring oscillator for high speed application. The voltage controlled ring oscillator was designed and fabricated in 0.13 m CMOS technology. The oscillator is a 7-stages ring oscillator with one inverter that replaced by NAND-gate for shutting down in the ring oscillator during idle mode. seven-state inverter was used to control the 126 bit vector in ring oscillator. the transistor sizing was used to improve performance of the ring oscillator in PLL. In this project, layout of ring oscillator was designed and optimized as small as possible to be using L-EDIT software. The predicated performance is verified by analyses and simulation using H-spice and L-EDIT tools. This ring oscillator is optimized to compare with earlier design. The ring oscillator can operate with 1.8v supply voltage .
Author: John A. McNeill Publisher: Springer Science & Business Media ISBN: 038776528X Category : Technology & Engineering Languages : en Pages : 292
Book Description
This guide emphasizes jitter for time domain applications so that there is not a need to translate from frequency domain. This provides a more direct path to the results for designing in an application area where performance is specified in the time domain. The book includes classification of oscillator types and an exhaustive guide to existing research literature. It also includes classification of measurement techniques to help designers understand how the eventual performance of circuit design is verified.
Author: Liang Dai Publisher: Springer Science & Business Media ISBN: 9781402072383 Category : Computers Languages : en Pages : 186
Book Description
Design of High-Performance CMOS Voltage-Controlled Oscillators presents a phase noise modeling framework for CMOS ring oscillators. The analysis considers both linear and nonlinear operation. It indicates that fast rail-to-rail switching has to be achieved to minimize phase noise. Additionally, in conventional design the flicker noise in the bias circuit can potentially dominate the phase noise at low offset frequencies. Therefore, for narrow bandwidth PLLs, noise up conversion for the bias circuits should be minimized. We define the effective Q factor (Qeff) for ring oscillators and predict its increase for CMOS processes with smaller feature sizes. Our phase noise analysis is validated via simulation and measurement results. The digital switching noise coupled through the power supply and substrate is usually the dominant source of clock jitter. Improving the supply and substrate noise immunity of a PLL is a challenging job in hostile environments such as a microprocessor chip where millions of digital gates are present.
Author: Marc Tiebout Publisher: Springer Science & Business Media ISBN: 354029256X Category : Technology & Engineering Languages : en Pages : 126
Book Description
This work covers the design of CMOS fully integrated low power low phase noise voltage controlled oscillators for telecommunication or datacommuni- tion systems. The need for low power is obvious, as mobile wireless telecommunications are battery operated. As wireless telecommunication systems use oscillators in frequency synthesizers for frequency translation, the selectivity and signal to noise ratio of receivers and transmitters depend heavily on the low phase noise performance of the implemented oscillators. Datacommunication s- tems need low jitter, the time-domain equivalent of low phase noise, clocks for data detection and recovery. The power consumption is less critical. The need for multi-band and multi-mode systems pushes the high-integration of telecommunication systems. This is o?ered by sub-micron CMOS feat- ing digital ?exibility. The recent crisis in telecommunication clearly shows that mobile hand-sets became mass-market high-volume consumer products, where low-cost is of prime importance. This need for low-cost products - livens tremendously research towards CMOS alternatives for the bipolar or BiCMOS solutions in use today.
Author: Satmandir Kaur Khalsa Publisher: ISBN: Category : Languages : en Pages : 60
Book Description
To design for high performance circuits, a precision clock with low jitter is needed to meet the high frequency requirements. A phase-locked loop (PLL) is used to achieve the required low jitter. The phase-locked loop architecture can be simplified down to a few major blocks: a phase detector, a loop filter, a voltage-controlled oscillator, and a frequency divider. The voltage-controlled oscillator (VCO) which is the subject of this report uses a ring oscillator that incorporates delay cells using cascode voltage switch logic with data anticipation in the differential inverter design. The data anticipation is achieved by using two PMOS pull up transistors that are controlled by the previous delay cell, thereby increasing the switching speed of the ring oscillator. The cascode voltage switch logic uses complementary signals to minimize jitter. The frequency of the oscillator is controlled by varying the VCO supply voltage, which gives a wide range of frequencies.
Author: Durbadal Mandal Publisher: Springer ISBN: 8132222687 Category : Technology & Engineering Languages : en Pages : 613
Book Description
The idea of the 1st International Conference on Intelligent Computing and Applications (ICICA 2014) is to bring the Research Engineers, Scientists, Industrialists, Scholars and Students together from in and around the globe to present the on-going research activities and hence to encourage research interactions between universities and industries. The conference provides opportunities for the delegates to exchange new ideas, applications and experiences, to establish research relations and to find global partners for future collaboration. The proceedings covers latest progresses in the cutting-edge research on various research areas of Image, Language Processing, Computer Vision and Pattern Recognition, Machine Learning, Data Mining and Computational Life Sciences, Management of Data including Big Data and Analytics, Distributed and Mobile Systems including Grid and Cloud infrastructure, Information Security and Privacy, VLSI, Electronic Circuits, Power Systems, Antenna, Computational fluid dynamics & Heat transfer, Intelligent Manufacturing, Signal Processing, Intelligent Computing, Soft Computing, Bio-informatics, Bio Computing, Web Security, Privacy and E-Commerce, E-governance, Service Orient Architecture, Data Engineering, Open Systems, Optimization, Communications, Smart wireless and sensor Networks, Smart Antennae, Networking and Information security, Machine Learning, Mobile Computing and Applications, Industrial Automation and MES, Cloud Computing, Green IT, IT for Rural Engineering, Business Computing, Business Intelligence, ICT for Education for solving hard problems, and finally to create awareness about these domains to a wider audience of practitioners.
Author: Willy M.C. Sansen Publisher: Springer Science & Business Media ISBN: 0792386221 Category : Computers Languages : en Pages : 394
Book Description
This volume of Analog Circuit Design concentrates on three topics: (X)DSL and other communication systems; RF MOST models; and integrated filters and oscillators. The book comprises five chapters on the first topic with six each on the other two, all written by internationally recognized experts. They are tutorial in nature and together make a substantial contribution to improving the design of analog circuits. The book is divided into three parts: Part I: (X)DSL and other Communication Systems presents some examples of recent improved modem techniques which have resulted in much higher transmission speeds over the local telephone network. It also presents components for the implementation of different standards. Part II: RF MOST Models investigates the state of the art in RF MOST models. It compares the existing BSIM3v3, Philips' Model 9 and the EKV model with respect to their capability to accurately predict GHz performance with submicron CMOST technologies. It shows how it has now become quite feasible to model a MOST at very high frequencies, giving rise to an increased use of MOST technologies in RF applications. Part III: Integrated Filters and Oscillators illustrates how the increasing use of communication tools goes hand-in-hand with the design of analog filters and oscillators with greater flexibility and higher bandwidth.
Author: Jose M. Balthazar Publisher: BoD – Books on Demand ISBN: 1803561912 Category : Technology & Engineering Languages : en Pages : 198
Book Description
Over the years, the construction of models has played an important part in the discovery and dissemination of knowledge. The study of problems involving the coupling of several systems has been widely explored, essentially in the function of the change of constructive characteristics of machines and structures. Accordingly, vibrating (oscillatory) processes can be divided into the following types: free, forced, parametric, and self-excited oscillations. Furthermore, two or more oscillations can interact in the same oscillatory system. This book provides a comprehensive overview of oscillators and their applications. It includes eight chapters organized into three sections “MEMS and NEMS”, “Vibrations” and “Modeling”.
Author: Ganapati Panda Publisher: Springer ISBN: 9811319065 Category : Technology & Engineering Languages : en Pages : 802
Book Description
The book discusses the latest developments and outlines future trends in the fields of microelectronics, electromagnetics and telecommunication. It contains original research works presented at the International Conference on Microelectronics, Electromagnetics and Telecommunication (ICMEET 2018), organised by GVP College of Engineering (A), Andhra Pradesh, India. The respective papers were written by scientists, research scholars and practitioners from leading universities, engineering colleges and R&D institutes from all over the world, and share the latest breakthroughs in and promising solutions to the most important issues facing today’s society.
Author: Suman Shruti
Author: Suman Shruti
Author: Fatemeh Taghizadehmarvast
Author: John A. McNeill
Author: Liang Dai
Author: Marc Tiebout![Design of a Voltage-controlled Ring Oscillator Using Cascode Voltage Switch Logic with Data Anticipation in 0.18[mu]m CMOS PDF](https://books.google.com/books/content/images/frontcover/fzS1swEACAAJ?fife=w80-h100)
Author: Satmandir Kaur Khalsa
Author: Durbadal Mandal
Author: Willy M.C. Sansen
Author: Jose M. Balthazar
Author: Ganapati Panda