Výsledky vyhledávání - "Fabrice Sthal"

Comparison Between Absolute Orientation Determination Methods of Doubly Rotated Blanks

Autor: T. Garnier, Fabrice Sthal, E. Andrey, G. Eyer, D. Picchedda, H. Cabane, J. Imbaud, X. Vacheret

Publikováno v: 2021 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS).

In this paper, comparison between absolute orientation determination methods of doubly rotated blanks is given. To measure doubly rotated cut, classical goniometers need several manipulations of the blanks (for example 90° shift rotation) and they a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::abf2969d5089666863a70108411ec3ed
https://doi.org/10.1109/eftf/ifcs52194.2021.9604251

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2.44-GHz Surface Acoustic Wave Resonator Phase Noise Measured by Carrier Suppression Technique

Autor: Fabrice Sthal, V. Soumann, Gilles Cibiel, E. Vaillant, Francois-Xavier Esnault, J. Imbaud

Publikováno v: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control. 66:247-250

The phase noise of surface acoustic wave resonators is explored by a passive measurement system based on the carrier suppression technique. The measurements are focused on 2.44-GHz quartz crystal resonators. These resonators are characterized in term

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f0e509d7420407c2e89584aba29f54f
https://doi.org/10.1109/tuffc.2018.2879190

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Carrier suppression system to measure phase noise of acoustic resonators with low motional resistance

Autor: Fabrice Sthal, E. Vaillant, J. Imbaud, A. Pokharel, J.J. Boy, Francois-Xavier Esnault

Publikováno v: Review of Scientific Instruments
Review of Scientific Instruments, 2020, 91 (8), pp.085104 (8)

International audience; A carrier suppression system is implemented in order to measure the phase noise of acoustic resonators that have a low motional resistance. A special adapters’ system using transformers is proposed to improve the loaded qual

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e18e72b6c227e2138a29ded8c4282fa
https://hal.archives-ouvertes.fr/hal-03053109/document

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Objet Connecté Personnel : ObCP

Autor: Joël Imbaud, David Vernier, Philippe Abbé, Fabrice Sthal

Publikováno v: J3eA. 21:2019

Cet article présente la réalisation d’un Objet Connecté Personnel (ObCP) dans le cadre d’une formation ingénieur consacrée à la conception et réalisation d’objets connectés. Les étudiants réalisent leur ObCP en début de formation, l�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf6f1eda5f3106b4285d35673152bfce
https://doi.org/10.1051/j3ea/20222019

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Modeling of 1/f Phase noise on ultra-stable quartz crystal resonators using Mittag-Leffler distribution

Autor: F. X. Esnault, A. Pokharel, Michel Devel, G. Cibiel, J. Imbaud, Fabrice Sthal

Publikováno v: International Frequency Control Symposium and European Frequency and Time Forum
International Frequency Control Symposium and European Frequency and Time Forum, Apr 2019, Orlando, United States

International audience; In order to progress towards a better understanding of the physical origin of low frequency noise in 5 MHz SC-cut quartz resonators, we have begun using the procedure proposed by Niemann et al. in a recent paper in Physical Re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::337315d93f895120e338d90d617ca4d1
https://hal.archives-ouvertes.fr/hal-03053073

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Phase Noise Measurements of AlN Contour-Mode Resonators With Carrier Suppression Technique

Autor: Fabrice Sthal, Gianluca Piazza, Jeronimo Segovia-Fernandez, Etienne Vaillant, Valerie Soumann, Lilia Arapan, Francois-Xavier Esnault, Philippe Abbé, Gilles Cibiel, J. Imbaud

Publikováno v: IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control
IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, Institute of Electrical and Electronics Engineers, 2018, 65 (10), pp.1943-1950

In this paper, the phase noise of aluminum nitride (AlN) contour-mode resonators is investigated using a passive measurement system with carrier suppression. The purpose is to make careful measurements of the performance of AlN resonators in order to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eab358f1584821328f1971e9f14c8796
https://pubmed.ncbi.nlm.nih.gov/29994671

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FIB-induced damage in graphene electrodes for piezoelectric resonators

Autor: O. Le Traon, A. Saadani, Fabrice Sthal, P. Lavenus, E. Heripre

Publikováno v: Symposium on Design, Test, Integration & Packaging of MEMS and MOEMS
Symposium on Design, Test, Integration & Packaging of MEMS and MOEMS, May 2018, Roma, Italy
DTIP 2018
DTIP 2018, May 2018, ROME, Italy

International audience; A first vibrating inertial quartz resonator with graphene electrodes patterned by Focused Ion Beam (FIB) is presented in this paper. The first electrical measurements have however shown that the quality factor is below the the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e9bab83daffe437678dfcf94638860b8
https://hal.archives-ouvertes.fr/hal-02992061

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Double Loop Frequency Regenerative Dividers

Autor: Fabrice Sthal, J. Imbaud, E. Vaillant, Gilles Cibiel, Yannick Gruson, Francois-Xavier Esnault

Publikováno v: 2018 IEEE International Frequency Control Symposium (IFCS).

In this paper, a frequency regenerative divider using double closed loops is presented. The principle of this custom built regenerative divider by N is explained. This type of divider as the advantage to increase the division ratio without adding a m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3f9775078ea5f3ef583611e441b14164
https://doi.org/10.1109/fcs.2018.8597555

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Study of the phase noise of Langatate crystal resonators

Autor: Fabrice Sthal, E. Vaillant, A. Pokharel, Gilles Cibiel, J.J. Boy, Francois-Xavier Esnault, J. Imbaud

Publikováno v: European Frequency and Time Forum
European Frequency and Time Forum, Apr 2018, Turin, Italy

International audience; In this paper, the intrinsic study on Langatate (LGT) crystal resonators has been carried out at 10 MHz resonant frequency. Among the crystals belonging to the Langasite family, the Langatate (La 3 Ga 5.5 Ta 0.5 O 14 ) also ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48e180e3bdf68c52a9da1d4e956229b1
https://hal.archives-ouvertes.fr/hal-02380830

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Inkjet printing of thin electrodes for quartz resonators

Autor: Fabrice Sthal, P. Lavenus, A. Saadani, Gilgueng Hwang, O. Le Traon

Publikováno v: EFTF 2018
EFTF 2018, Apr 2018, TURIN, Italy

International audience; A first vibrating inertial quartz gyrometer with gold nanoparticles electrodes is presented in this paper. Electrical measurements have shown enhancement of the quality factor compared to standard gyrometers with 200 nm evapor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1bc3195fc5a02c23839ef352ad515fc
https://doi.org/10.1109/eftf.2018.8408986

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