An astatic phase-locked system for digital signal processors: circuit design and stability

  • Authors:
  • G. A. Leonov;S. M. Seledzhi

  • Affiliations:
  • St. Petersburg State University, St. Petersburg, Russia;St. Petersburg State University, St. Petersburg, Russia

  • Venue:
  • Automation and Remote Control
  • Year:
  • 2005

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Abstract

Block-circuits of phase-locked systems, which act as frequency synthesizers and misphasing correctors, for timing oscillators of digital signal processers are designed. The characteristic of the phase detector is determined with a timing pulse multiplier and a low-frequency filter. Astatic correctors are introduced. The global stability of the synthesized system is investigated by the Lyapunov direct method.