A large-signal analysis for a ring oscillator with negative skewed delay

  • Authors:

  • Jeong-Kwang Lee;Soon Jai Yi;Hee-Sun Ahn;Hang-Geun Jeong

  • Affiliations:

  • Division of Electronics and Information Engineering, Chonbuk National University, Jeonju, Jeonbuk, South Korea;Division of Electronics and Information Engineering, Chonbuk National University, Jeonju, Jeonbuk, South Korea;Division of Electronics and Information Engineering, Chonbuk National University, Jeonju, Jeonbuk, South Korea;Division of Electronics and Information Engineering, Chonbuk National University, Jeonju, Jeonbuk, South Korea

  • Venue:
  • CISST'10 Proceedings of the 4th WSEAS international conference on Circuits, systems, signal and telecommunications
  • Year:
  • 2010

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Abstract

This paper presents a large signal analysis of ring-type oscillators with negative skewed delay scheme. The analysis yields the frequency increase factor due to negative skewed delay scheme. The large signal analysis is needed, because small signal model is limited to the initial stage of oscillation. For verification of the frequency increase factor, simulation and chip fabrication were done under the same conditions for the two different types of ring oscillators, i.e., with and without negative skewed delay scheme. Measurement results are in good agreement with predictions based on analysis and simulation.