Sökning: "phase-locked loop"

Visar resultat 21 - 25 av 25 avhandlingar innehållade orden phase-locked loop.

  1. 21. Control of Static Series Compensator for Mitigation of Power Quality Problems

    Författare :Hilmy Awad; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Power Electronics and Advanced Control technologies have made it possible to mitigate the power quality problems and maintain the operation of sensitive loads. Among power system disturbances, voltage dips, swells, and harmonics are some of the severe problems to the critical industrial loads. LÄS MER

  3. 22. Analysis and Design of DLL-Based Frequency Synthesizers for Ultra-Wideband Communication

    Författare :Amin Ojani; Atila Alvandpour; Behzad Mesgarzadeh; Per Larsson-Edefors; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Ever increasing demand for high speed transmission of large data between the electronic devices within a wireless personal area network has been motivating the development of the appropriate wireless standards. Ultra-wideband (UWB) communication employs the unlicensed frequency spectrum of 3.1 ‒ 10. LÄS MER

  4. 23. Design and Analysis of Charge-Pump Bases Frequency Synthsizers

    Författare :Tord Johnson; Svante Signell; Mälardalens högskola; []
    Nyckelord :Datavetenskap;

    Sammanfattning : Most telecommunication systems employ modulation techniques that require the transceiver to be capable of accurately estimating the phase of the transmission signal. The frequency synthesizer is a key element and extensively utilized to synthesize frequencies for such radio-frequency communication systems. LÄS MER

  5. 24. Circuit Design for All-Digital Frequency Synthesizers

    Författare :Muhammad Touqir Pasha; Mark Vesterbacka; Ted Johansson; Jacob Wikner; Darius Jakonis; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : The market for low cost portable electronics is rapidly growing. Physical activity monitors, portable music players, and smart watches are fast becoming a part of daily life. As the market for wearable devices has grown, a primary concern for IC manufacturers is to provide low cost, low power and lightweight circuit solutions. LÄS MER

  7. 25. Stimuli Generation Techniques for On-Chip Mixed-Signal Test

    Författare :Shakeel Ahmad; Jerzy Dabrowski; Torkel Arnborg; Linköpings universitet; []
    Nyckelord :TECHNOLOGY; TEKNIKVETENSKAP;

    Sammanfattning : With increased complexity of the contemporary very large integrated circuits the need for onchip test addressing not only the digital but also analog and mixed-signal RF blocks has emerged. The standard production test has become more costly and the instrumentation is pushed to its limits by the leading edge integrated circuit technologies. LÄS MER