An analytical model of the oscillation period for tri-state inverter based DCO

Mehdi Terosiet 1 Sylvain Feruglio 1 Dimitri Galayko 2 Patrick Garda 1
1 SYEL - Systèmes Electroniques
LIP6 - Laboratoire d'Informatique de Paris 6
2 CIAN - Circuits Intégrés Numériques et Analogiques
LIP6 - Laboratoire d'Informatique de Paris 6
Abstract : Tri-state inverter based DCO are emerging as an attractive circuit for the implementation of fully digital PLL. In this paper, we first introduce an analytical expression of the tuned period as a function of design and technology parameters. Then, we propose a sizing methodology for the CMOS implementation of a tri-state inverter based DCO. Finally, we applied this methodology to the design of such a DCO. We achieved an average error of 5.4% for our analytical expression compared to simulation results. In conclusion, we showed that our analytical expression and sizing methodology are directly applicable to the design of tri-state inverter based DCO.
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https://hal.archives-ouvertes.fr/hal-01522195
Contributor : Dimitri Galayko <>
Submitted on : Saturday, May 13, 2017 - 12:02:14 PM
Last modification on : Thursday, March 21, 2019 - 2:34:14 PM

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Mehdi Terosiet, Sylvain Feruglio, Dimitri Galayko, Patrick Garda. An analytical model of the oscillation period for tri-state inverter based DCO. Microelectronics (ICM), 2011 International Conference on, Dec 2011, Hammamet, Tunisia. ⟨10.1109/ICM.2011.6177355⟩. ⟨hal-01522195⟩

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