Essays about: "sigma delta PLL"

Found 2 essays containing the words sigma delta PLL.

  1. 1. Design and Simulation of Miscellaneous Blocks of an All-Digital PLL for the 60 GHz Band

    University essay from Linköpings universitet/Linköpings universitet/ElektroniksystemTekniska högskolan; Linköpings universitet/Linköpings universitet/ElektroniksystemTekniska högskolan

    Author : Hadiyah Butt; Manjularani Padala; [2013]
    Keywords : ADPLL; PLL; DCO; TDC;

    Abstract : A phase-locked loop commonly known as PLL is widely used in communication systems. A PLL is used in radio, telecommunications, modulation and demodulation. It can be used for clock generation, clock recovery from data signals, clock distribution and as a frequency synthesizer.Most electronic circuits encounter the problem of the clock skew. READ MORE

  2. 2. Investigation of Mechanisms for Spur Generation in Fractional-N Frequency Synthesizers

    University essay from Linköpings universitet/ElektroniksystemLinköpings universitet/Tekniska högskolan

    Author : Sohail Imran Saeed; [2012]
    Keywords : DDSM; Digital Delta Sigma Modulator; EFM; Error Feedback Modulator; PLL Phase Locked Loop; Fractional N Frequency Synthesizer; Spur; Spurs;

    Abstract : With the advances in wireless communication technology over last two decades, the use of fractional-N frequency synthesizers has increased widely in modern wireless communication applications due to their high frequency resolution and fast settling time.The performance of a fractional-N frequency synthesizer is degraded due to the presence of unwanted spurious tones (spurs) in the output spectrum. READ MORE