Search Results - "Delepaut, Christophe"

Very High Frequency Power Switching: A Road Map To Envelope Tracking by Delepaut, Christophe, Ayllon, Natanael

“…RF (Radio Frequency) GaN transistors may be used for power switching at frequencies of 30 MHz and above, thereby reaching voltage control bandwidth of critical…”
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The Peregrine Ion Trap Mass Spectrometer (PITMS) Investigation Development and Preflight Planning by Cohen, Barbara A., Barber, Simeon J., Driggers, Phillip A., Heather, David, Howe, Christopher, Landsberg, Peter, Morse, Thomas, Trautner, Roland, Abernethy, Feargus, Butroid, Emma-May, Curran, Natalie M., Delepaut, Christophe, Elliott, Ellis, Fernandez Salgado, Javier, Generie, Joseph A., Hager, Philipp, Hall, Sophie, Hillier, Fiona, Hodgkins, Max, Iacobellis, Sara, Kasjanowicz, Alicja, Koekkoek, Ewout, Leese, Mark, Lundmark, Karin, Mayers, Jeremy, Morse, Andrew, Mortimer, James, Peabody, Hume L., Reast, Patrick, Sheridan, Simon, Stamper, Richard, Steigner, Peter J., Stier, Harald, Summers, Lauren, Tucker, Orenthal J., Whalley, Martin, Woodward, Simon

“…The Peregrine Ion Trap Mass Spectrometer (PITMS) is a mass spectrometer instrument that operated during the Astrobotic Peregrine Mission-1 as part of the NASA…”
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A Compact L-Band Reverse-Type Envelope Tracking System by Paul, Sophie, Wolff, Nikolai, Kuremyr, Tobias, Delepaut, Christophe, Valenta, Vaclav, Heinrich, Wolfgang, Bengtsson, Olof

“…This article presents the implementation and in-depth analysis of a compact <inline-formula> <tex-math notation="LaTeX">{L} </tex-math></inline-formula>-band…”
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MOSFET parasitic capacitance change in non-zero current and voltage bias conditions by Kuremyr, Tobias, Delepaut, Christophe, Dittrich, Rok, Becherer, Jana

“…Power MOSFETs have been primarily designed for switching applications, in which case they are operated to the best extent possible either at zero drain to…”
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A Monolithic 200V GaN Half Bridge IC with Integrated Gate Drivers and Level-shifters Achieving 98.3% Peak Efficiency by Aygun, Deniz, Fossion, Marc, Decoutere, Stefaan, Barnes, Andrew, Delepaut, Christophe, Thone, Jef, Wens, Mike

“…A monolithic Gallium-Nitride (GaN) Half Bridge with integrated gate drivers, floating supplies, level-shifters and a dead time control is presented. The design…”
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Discrete Modelling of Peak and Valley Current Control by Rodriguez, Juan Carlos, Ramos, Regina, Morales, Alvaro, Carbonnier, Hadrien, Alou, Pedro, Oliver, Jesus, Delepaut, Christophe

“…Peak and valley current control (PVCC), is a current mode control (CMC) technique that employs double inductor current comparisons to control both the peak and…”
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A 14 W wideband supply-modulated system with reverse buck converter and floating-ground rf power amplifier by Paul, Sophie, Wolff, Nikolai, Delepaut, Christophe, Valenta, Vaclav, Heinrich, Wolfgang, Bengtsson, Olof

“…This paper presents a wideband supply-modulated system with a floating ground RF power amplifier and a reverse buck topology DC/DC converter. The power…”
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A Comparative Study on Experimental Loop Gain Measurement Techniques Applied to Digitally Controlled Buck-Type Power Converters by Govaerts, Stijn, Delepaut, Christophe, Oliver, Jesus

“…This paper presents a study on experimental loop gain measurement techniques in the context of digitally controlled buck-type converters. The work limits…”
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Average Current Control with Asymmetrical Sawtooth or Peak Current Control by Delepaut, Christophe, Carbonnier, Hadrien

“…Conductance control within SMPS (Switch Mode Power Supply) is typically implemented relying either on the ACC (Average Current Control) or on the PCC (Peak…”
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Average Current Control with Symmetrical Sawtooth or Peak and Valley Current Control by Delepaut, Christophe, Carbonnier, Hadrien

“…Conductance control within SMPS (Switch Mode Power Supply) for space power systems is typically implemented relying on ACC (Average Current Control). Such…”
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Experimental Demonstration of Peak and Valley Current Control by Carbonnier, Hadrien, Delepaut, Christophe

“…Average Current Control (AAC) or Conductance Control has been widely used in the European space sector for the last three decades. Although very common in…”
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A very high frequency step-down DC/DC converter for spaceborne envelope-tracking SSPA by Leroy, Fabien, Le Gallou, Nicolas, Delepaut, Christophe, Deblecker, Olivier, Dualibe, Fortunato

“…An experimental VHF DC/DC converter aimed at envelope-tracking amplifiers for space applications is presented. Based on Gallium Nitride components, it is…”
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MOSFET gate open failure analysis in power electronics by Delepaut, C., Siconolfi, S., Mourra, O., Tonicello, F.

“…The compliance to the fault tolerant operation requirement for power electronics is commonly assessed with reference to fault models applicable at component…”
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An Efficient and Fast Reverse Buck Converter for High-Power Envelope-Tracking Systems by Paul, Sophie, Wolff, Nikolai, Delepaut, Christophe, Heinrich, Wolfgang, Bengtsson, Olof

“…This paper presents an efficient and fast reverse buck converter targeting high-power envelope-tracking applications with up to 20MHz instantaneous bandwidth…”
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Over 10MHz bandwidth envelope-tracking DC/DC converter for flexible high power GaN amplifiers by Le Gallou, N., Sardin, D., Delepaut, C., Campovecchio, M., Rochette, S.

“…This paper describes a fast envelope-tracking circuit capable of 10 MHz (up to 17.5 MHz) bandwidth based on RF GaN switching devices and 50 MHz switching…”
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TID and DSEE Effects in a Hi-Rel Point-of-Load IC Prototype for Space Applications by Mand, Philipp, Burkhay, Volodymyr, Rocke, Andre, Gieselmann, Uwe, Fauth, Leon, Olbrich, Markus, Delepaut, Christophe, Wicht, Bernhard, Friebe, Jens

“…High-performance applications that require a high output current and a faster transient response increase the need to place the power supply as close as…”
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Analysis of Dissipated Power in Envelope Amplifier Output Filters by Paul, Sophie, Wolff, Nikolai, Delepaut, Christophe, Valenta, Vaclav, Heinrich, Wolfgang, Bengtsson, Olof

“…The paper addresses power dissipation within the output filter of a buck-converter-based envelope amplifier (EA) and its effect on the overall envelope…”
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Pulsed RF characterization of envelope tracking systems for improved shaping function extraction by Paul, Sophie, Wolff, Nikolai, Delepaut, Christophe, Valenta, Vaclav, Heinrich, Wolfgang, Bengtsson, Olof

“…This paper presents a measurement setup for pulsed RF characterization of a buck-converter-based envelope tracking (ET) system. In contrast to continuous wave…”
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Efficient hard-switching DC/DC converters for envelope-tracking applications by Leroy, Fabien, Deblecker, Olivier, Dualibe, Fortunato, Delepaut, Christophe, Le Gallou, Nicolas

“…This paper presents two buck converters switching at 50 MHz and based on Gallium Nitride dice. The first converter features a diode designed for power…”
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VHF switching DC/DC converter: Electromagnetic emissions assessment by Delepaut, Christophe, Wolf, Johannes, Le Gallou, Nicolas, Leroy, Fabien, Deblecker, Olivier, Dualibe, Fortunato

“…The Gallium Nitride semiconductor technology allows switching operation at high frequency and supports voltage levels compatible with medium power…”
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