Phase-Locked and Frequency-Feedback Systems
Author | : Jacob Klapper |
Publisher | : |
Total Pages | : 393 |
Release | : 1972 |
Genre | : Demodulation (Electronics) |
ISBN | : |
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Author | : Jacob Klapper |
Publisher | : |
Total Pages | : 393 |
Release | : 1972 |
Genre | : Demodulation (Electronics) |
ISBN | : |
Author | : Jacob Klapper |
Publisher | : Elsevier |
Total Pages | : 417 |
Release | : 2012-12-02 |
Genre | : Technology & Engineering |
ISBN | : 0323151256 |
Phase-Locked and Frequency-Feedback Systems: Principles and Techniques presents the operating principles and methods of design of phase-locked and frequency-feedback systems. This book is divided into 10 chapters that provide step-by-step design procedures and graphical aids, with illustrations bearing on real problems experienced in these systems. This work specifically tackles the application of these systems as FM demodulators with lowered thresholds. Chapters 1 and 2 deal briefly with the elements of linear systems, feedback theory, and noise, providing the minimum background for the material presented in the remainder of the text. Chapter 3 describes the characteristics of the major components that comprise the loops and the performance of the conventional and multi-loop FM demodulators. Chapters 4 to 7 present the basic describing equations and design for the FM feedback (FMFB) and phase-locked loop (PLL). These chapters further illustrate step-by-step design procedures with performance characteristics for low-threshold angle demodulation using typical design examples. Chapter 8 highlights the design principles, which are extended to the design of advanced demodulators featuring demodulation thresholds lower than those of the simple PLL or FMFB. Chapter 9 focuses on digital FM demodulation and PLL applications other than FM demodulation. Lastly, Chapter 10 presents the methods of testing and evaluating loop performance. Undergraduate and graduate level students, as well as practicing engineers, will find this book invaluable.
Author | : Klapper J. |
Publisher | : |
Total Pages | : 0 |
Release | : |
Genre | : |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 161 |
Release | : 1980 |
Genre | : |
ISBN | : 9780123108500 |
Author | : Woogeun Rhee |
Publisher | : John Wiley & Sons |
Total Pages | : 389 |
Release | : 2023-12-19 |
Genre | : Technology & Engineering |
ISBN | : 1119909066 |
Phase-Locked Loops Discover the essential materials for phase-locked loop circuit design, from fundamentals to practical design aspects A phase-locked loop (PLL) is a type of circuit with a range of important applications in telecommunications and computing. It generates an output signal with a controlled relationship to an input signal, such as an oscillator which matches the phases of input and output signals. This is a critical function in coherent communication systems, with the result that the theory and design of these circuits are essential to electronic communications of all kinds. Phase-Locked Loops: System Perspectives and Circuit Design Aspects provides a concise, accessible introduction to PLL design. It introduces readers to the role of PLLs in modern communication systems, the fundamental techniques of phase-lock circuitry, and the possible applications of PLLs in a wide variety of electronic communications contexts. The first book of its kind to incorporate modern architectures and to balance theoretical fundamentals with detailed design insights, this promises to be a must-own text for students and industry professionals. The book also features: Coverage of PLL basics with insightful analysis and examples tailored for circuit designers Applications of PLLs for both wireless and wireline systems Practical circuit design aspects for modern frequency generation, frequency modulation, and clock recovery systems Phase-Locked Loops is essential for graduate students and advanced undergraduates in integrated circuit design, as well researchers and engineers in electrical and computing subjects.
Author | : Behzad Razavi |
Publisher | : John Wiley & Sons |
Total Pages | : 516 |
Release | : 1996-04-18 |
Genre | : Technology & Engineering |
ISBN | : 9780780311497 |
Featuring an extensive 40 page tutorial introduction, this carefully compiled anthology of 65 of the most important papers on phase-locked loops and clock recovery circuits brings you comprehensive coverage of the field-all in one self-contained volume. You'll gain an understanding of the analysis, design, simulation, and implementation of phase-locked loops and clock recovery circuits in CMOS and bipolar technologies along with valuable insights into the issues and trade-offs associated with phase locked systems for high speed, low power, and low noise.
Author | : George Tom Varghese |
Publisher | : |
Total Pages | : 0 |
Release | : 2012-10 |
Genre | : |
ISBN | : 9783659249532 |
High-performance digital systems use clocks to sequence operations and synchronize between functional units and between ICs. Clock frequencies and data rates have been increasing with each generation of processing technology and processor architecture. Phase locked-loops (PLLs) are widely used to generate well-timed on-chip clocks in high-performance digital systems. A PLL is a closed loop frequency system that locks the phase of an output signal to an input reference signal. PLL's are widely used in computer, radio, and telecommunications systems where it is necessary to stabilize a generated signal or to detect signals. The term "lock" refers to a constant or zero phase difference between two signals. The signal from the feedback path is compared to the input reference signal, until the two signals are locked. If the phase is unmatched, this is called the unlocked state, and the signal is sent to each component in the loop to correct the phase difference. These components consist of the Phase Frequency Detector (PFD), the charge pump (CP), the low pass filter (LPF), the voltage controlled oscillator (VCO) and divide by counter. The PFD detects any phase differences in and and then generates an error signal. According to that error signal the CP either increases or decreases the amount of charge to the LPF. This amount of charge either speeds up or slows down the VCO. The loop continues in this process until the phase difference between and is zero or constant--this is the locked mode. After the loop has attained a locked status, the loop still continues in the process but the output of each component is constant. The output signal has the same phase and/or frequency as .A divider can be used in the feedback path to synthesize a frequency different than that of the reference signal. The application I chose in designing the PLL was a frequency synthesizer. A frequency synthesizer generates a frequency that can have a different frequency from the original reference si.
Author | : Peter Hintenaus |
Publisher | : Springer |
Total Pages | : 359 |
Release | : 2014-10-30 |
Genre | : Technology & Engineering |
ISBN | : 3319106805 |
This is a textbook for graduate and final-year-undergraduate computer-science and electrical-engineering students interested in the hardware and software aspects of embedded and cyberphysical systems design. It is comprehensive and self-contained, covering everything from the basics to case-study implementation. Emphasis is placed on the physical nature of the problem domain and of the devices used. The reader is assumed to be familiar on a theoretical level with mathematical tools like ordinary differential equation and Fourier transforms. In this book these tools will be put to practical use. Engineering Embedded Systems begins by addressing basic material on signals and systems, before introducing to electronics. Treatment of digital electronics accentuating synchronous circuits and including high-speed effects proceeds to micro-controllers, digital signal processors and programmable logic. Peripheral units and decentralized networks are given due weight. The properties of analog circuits and devices like filters and data converters are covered to the extent desirable by a systems architect. The handling of individual elements concludes with power supplies including regulators and converters. The final section of the text is composed of four case studies: • electric-drive control, permanent magnet synchronous motors in particular; • lock-in amplification with measurement circuits for weight and torque, and moisture; • design of a simple continuous wave radar that can be operated to measure speed and distance; and • design of a Fourier transform infrared spectrometer for process applications. End-of-chapter exercises will assist the student to assimilate the tutorial material and these are supplemented by a downloadable solutions manual for instructors. The “pen-and-paper” problems are further augmented with laboratory activities. In addition to its student market, Engineering Embedded Systems will assist industrial practitioners working in systems architecture and the design of electronic measurement systems to keep up to date with developments in embedded systems through self study.
Author | : Valeria Teppati |
Publisher | : Cambridge University Press |
Total Pages | : 475 |
Release | : 2013-06-20 |
Genre | : Technology & Engineering |
ISBN | : 1107036410 |
A comprehensive, hands-on review of the most up-to-date techniques in RF and microwave measurement, including practical advice on deployment challenges.
Author | : Venceslav F. Kroupa |
Publisher | : John Wiley & Sons |
Total Pages | : 344 |
Release | : 2003-06-02 |
Genre | : Technology & Engineering |
ISBN | : 9780470848661 |
Phase lock loop frequency synthesis finds uses in a myriad of wireless applications - from local oscillators for receivers and transmitters to high performance RF test equipment. As the security and reliability of mobile communication transmissions have gained importance, PLL and frequency synthesisers have become increasingly topical subjects. Phase Lock Loops & Frequency Synthesis examines the various components that make up the phase lock loop design, including oscillators (crystal, voltage controlled), dividers and phase detectors. Interaction amongst the various components are also discussed. Real world problems such as power supply noise, shielding, grounding and isolation are given comprehensive coverage and solved examples with MATHCAD programs are presented throughout. * Presents a comprehesive study of phase lock loops and frequency synthesis in communication systems * Written by an internationally-recognised expert in the field * Details the problem of spurious signals in PLL frequency synthesizers, a topic neglected by available competing titles * Provides detailed theorectical background coupled with practical examples of state-of-the-art device design * MATHCAD programs and simulation software to accompany the design exercises and examples This combination of thorough theoretical treatment and guidance on practical applications will appeal to mobile communication circuit designers and advanced electrical engineering students.