A Self-Sufficient Digitally Controlled Ring Oscillator Compensated for Supply Voltage Variation - Archive ouverte HAL Access content directly
Conference Papers Year : 2011

A Self-Sufficient Digitally Controlled Ring Oscillator Compensated for Supply Voltage Variation

Mehdi Terosiet
  • Function : Author
  • PersonId : 977648
Sylvain Feruglio
Farouk Vallette
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  • PersonId : 971794
Patrick Garda
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  • PersonId : 970182
Olivier Romain
Julien Le Kernec
  • Function : Author

Abstract

A self-sufficient Giga-Hertz digitally controlled ring oscillator for clock distribution network is presented in this paper. It features a high supply insensitivity in order to mitigate the additional jitter due to supply noise. This is achieved by inducing a mutual compensation between the oscillation frequency parameters that are affected by the supply voltage variations. The proposed method can be easily implemented and takes advantage of the deep sub-micrometer effects peculiar to topical CMOS technologies. We demonstrate by simulations that this approach remains efficient over process variations despite the reliability issue of short channel MOS transistors.

Dates and versions

hal-01282527 , version 1 (03-03-2016)

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Mehdi Terosiet, Sylvain Feruglio, Farouk Vallette, Patrick Garda, Olivier Romain, et al.. A Self-Sufficient Digitally Controlled Ring Oscillator Compensated for Supply Voltage Variation. The IEEE International Conference on Electronics, Circuits, and Systems (ICECS), Dec 2011, Beirut, Lebanon. pp.484-487, ⟨10.1109/ICECS.2011.6122318⟩. ⟨hal-01282527⟩
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