• Corpus ID: 16893201

Ring oscillators: Characteristics and applications

@article{Mandal2010RingOC,
  title={Ring oscillators: Characteristics and applications},
  author={Mrinal Kanti Mandal and B. C. Sarkar},
  journal={Indian Journal of Pure \& Applied Physics},
  year={2010},
  volume={48},
  pages={136-145}
}
  • M. Mandal, B. Sarkar
  • Published 1 February 2010
  • Engineering
  • Indian Journal of Pure & Applied Physics
The structure and operating principle of ring oscillators (RO) have been described. The expression for the frequency of oscillation of a complementary metal oxide semiconductor (CMOS) delay cell based conventional ring oscillator is presented and propagation delay of the delay stages is calculated. The limitations of a conventional RO have been studied and a few techniques to overcome these limitations have been mentioned. In this context, some modified structures of ring oscillators such as… 

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References

SHOWING 1-10 OF 16 REFERENCES
The Design of Low Noise Oscillators
1. Introduction. 2. Frequency Instability Fundamentals. 3. Review of Existing Models. 4. Time-Variant Phase Noise Model. 5. Jitter and Phase Noise in Ring Oscillators. 6. Phase Noise in Differential
IEEE J Solid State Circuits
  • IEEE J Solid State Circuits
  • 1599
IEEE J Solid State Circuits
  • IEEE J Solid State Circuits
  • 2004
IEEE Int symp on Circuits and Systems (ISCAS)
  • IEEE Int symp on Circuits and Systems (ISCAS)
  • 2006
IEEE J Solid-State Circuits Proc ISCAS
  • IEEE J Solid-State Circuits Proc ISCAS
  • 1994
IEEE Trans Circuits Syst II
  • IEEE Trans Circuits Syst II
  • 2002
Conf on Solid State Circuits
  • Conf on Solid State Circuits
  • 2003
IEEE Trans Circuits and Syst II Anlaog Digit Signal Process
  • IEEE Trans Circuits and Syst II Anlaog Digit Signal Process
  • 1999
IEEE J Solid State Circuits
  • IEEE J Solid State Circuits
  • 1992
IEEE J Solid-State Circuits IEEE Trans Circuits Syst I Int J Electron Int J Electron IEEE J Solid State Circuits
  • IEEE J Solid-State Circuits IEEE Trans Circuits Syst I Int J Electron Int J Electron IEEE J Solid State Circuits
  • 1385
...
...