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CERN Document Server Sök i 23 journaler efter:  1 - 10nästaslut  gå till journal: Sökningen tog 0.52 sekunder. 
1.
Quasi-regulation and mismatch mitigation technique for switched tank converters / Balutto, Mattia (Udine U.) ; Ripamonti, Giacomo (CERN) ; Antoszczuk, Pablo Daniel (CERN) ; Michelis, Stefano (CERN) ; Saggini, Stefano (Udine U.) ; Iob, Federico (Udine U.) ; Dago, Alessandro (Milan, Polytech.)
Data center power consumption has been increasing remarkably in the last decades, mainly due to the massive adoption of cloud computing. [...]
2023 - 6.
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2.
Design of a Radiation-Tolerant Bandgap Voltage Reference for HEP applications / Traversi, Gianluca (Bergamo U., Ingengneria Dept. ; INFN, Pavia) ; Gaioni, Luigi (Bergamo U., Ingengneria Dept. ; INFN, Pavia) ; Ballabriga, Rafael (CERN) ; Ceresa, Davide (CERN) ; Michelis, Stefano (CERN)
This work discusses the design of a bandgap voltage reference circuit to be operated in harsh radiation environments. [...]
2022. - 3 p.
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3.
Switched Tank Converter: Quasi-Resonant Regulation for Soft Start and Mismatch Mitigation Technique / Balutto, Mattia (Udine U.) ; Ripamonti, Giacomo (CERN) ; Antoszczuk, Pablo Daniel (CERN) ; Michelis, Stefano (CERN) ; Iob, Federico (Udine U.) ; Dago, Alessandro (Milan, Polytech.) ; Saggini, Stefano (Udine U.)
In recent years, there has been a significant increase in the power consumption of data centers. As a result, server rack architecture has shifted from using 12 V to higher voltage levels of 48–60 V. [...]
2023 - 16 p. - Published in : IEEE Trans. Power Electron. 38 (2023) 15016-15031
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4.
Annual Report 2023 and Phase-I Closeout / Aglieri Rinella, Gianluca
This report summarises the activities of the CERN strategic R&D programme on technologies for future experiments during the year 2023, and highlights the achievements of the programme during its first phase 2020-2023..
CERN-EP-RDET-2024-001 - 208.

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5.
bPOL48V, a rad-hard 48V DC/DC Converter for Space and HEP Applications / Michelis, Stefano (CERN) ; Van Der Blij, Nils Hans (CERN) ; Ripamonti, Giacomo (CERN) ; Antoszczuk, Pablo Daniel (CERN)
A radiation-hard DC/DC converter has been developed at CERN, which tolerates a higher input voltage (up to 48 V) and provides a larger output power than existing solutions. It is called bPOL48V, and it employs a commercial Gallium Nitride power device and a CERN-developed control ASIC (GaN_Controller). [...]
2023 - 4 p. - Published in : 10.1109/ESPC59009.2023.10298148
In : 13th European Space Power Conference (ESPC 2023), Elche, Spain, 2 - 6 Oct 2023
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6.
Regulated Resonant Switched-Capacitor Point-of-Load Converter Architecture and Modeling / Ripamonti, Giacomo (CERN) ; Ursino, Mario (Udine U.) ; Saggini, Stefano (Udine U.) ; Michelis, Stefano (CERN) ; Faccio, Federico (CERN)
This article presents a novel control system for a regulated resonant switched-capacitor point-of-load converter, together with its steady-state and small-signal analyses. The output voltage is regulated through a combined frequency/phase shift on-chip controller that operates, thanks to a zero-crossing detector for the tank current. [...]
2021 - 13 p. - Published in : IEEE Transactions on Power Electronics 36 (2021) 4815-4827
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7.
Effects of Bias and Temperature on the Dose-Rate Sensitivity of 65-nm CMOS Transistors / Borghello, Giulio (CERN) ; Faccio, Federico (CERN) ; Termo, Gennaro (CERN) ; Michelis, Stefano (CERN) ; Costanzo, Sebastiano (CERN) ; Koch, Henri D (CERN) ; Fleetwood, Daniel M (Vanderbilt U.)
MOS transistors in 65-nm CMOS technology exposed to ultrahigh total ionizing dose (TID) levels show clear evidence of a true dose-rate (DR) dependence. In order to assess the impact of this effect and to understand its origin, an extensive measurement campaign has been carried out at different DRs, different temperatures, and different biases. [...]
2021 - 8 p. - Published in : IEEE Trans. Nucl. Sci. 68 (2021) 573-580
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8.
Strategic R&D Programme on Technologies for Future Experiments - Annual Report 2020 / Aglieri, Gianluca
This report summarises the activities and achievements of the strategic R&D programme on technologies for future experiments in the year 2020..
CERN-EP-RDET-2021-001 - 2020. - 68.


10.17181/CERN-EP-RDET-2021-001
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9.
A Dual-Edge Pulsewidth Modulator for Fast Dynamic Response DC–DC Converters / Ripamonti, Giacomo (CERN) ; Saggini, Stefano (Udine U.) ; Corradini, Luca (Padua U.) ; Rizzolatti, Roberto (Udine U.) ; Faccio, Federico (CERN) ; Michelis, Stefano (CERN) ; Koukab, Adil (Ecole Polytechnique, Lausanne) ; Kayal, Maher (Ecole Polytechnique, Lausanne)
Voltage regulator modules are dc–dc converters that power modern microprocessors. They must exhibit a fast dynamic response, in order to achieve satisfactory regulation performance in spite of the rapid load current variations. [...]
2019 - 5 p. - Published in : IEEE Transactions on Power Electronics 34 (2019) 28-32
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10.
2.5V step-down DCDCs: a radiation-hard solution for power conversion / Ripamonti, Giacomo (Ecole Polytechnique, Lausanne ; CERN) ; Michelis, Stefano (CERN) ; Faccio, Federico (CERN) ; Saggini, Stefano (Udine U.) ; Ursino, Mario (Udine U.) ; Blanchot, Georges (CERN) ; Caregari, Stefano (Ecole Polytechnique, Lausanne ; CERN) ; Koukab, Adil (Ecole Polytechnique, Lausanne) ; Kayal, Maher (Ecole Polytechnique, Lausanne)
Radiation- and magnetic field tolerant DCDC converters that step down the voltage from a 2.5 V bus are needed for the High-Luminosity detectors. This work presents the developed prototypes, based on ASICs designed in a 130 nm CMOS technology. [...]
SISSA, 2020 - 5 p. - Published in : PoS TWEPP2019 (2020) 071 Fulltext: PDF;
In : TWEPP 2019 Topical Workshop on Electronics for Particle Physics, Santiago De Compostela, Spain, 2 - 6 Sep 2019, pp.071
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CERN Document Server : Sök i 23 journaler efter:   1 - 10nästaslut  gå till journal:
Se också: liknande författarnamn
23 MICHELIS, Stefano
23 Michelis, S
11 Michelis, S.
2 Michelis, Stephano
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