Zobrazeno 1 - 10 of 10 pro vyhledávání: '"M. N. Ruiz"'
1
A planar 75% efficient GaN 1.2-GHz DC-DC converter with self-synchronous rectifier
Autor: M. N. Ruiz, Dragan Maksimovic, Jose A. Garcia, Zoya Popovic, Ignacio Ramos
Publikováno v: IEEE MTT-S International Microwave Symposium (IMS), Phoenix, Arizona, 2015, 470-473
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
This paper presents the design and characterization of a DC-DC converter operating at 1.2GHz with a maximum efficiency of 75% at 4.6W output power, and with a maximum output power of 13W at 58% efficiency. The microwave converter consists of a GaN cl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ebafe26ba07776b3e1b5e9d2df0798fc
http://hdl.handle.net/10902/10205
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2
Advances in HF, VHF, and UHF systems and technology
Autor: Dan Myer, M. N. Ruiz, Murat Eron, John Walker, Jose A. Garcia, Gary Breed, Robert H. Caverly, Nisha Kondrath, William H. Cantrell
Publikováno v: IEEE Microwave Magazine, 2015, 16(1), 28-49
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
In the March 2002 issue of IEEE Transactions on Microwave Theory and Techniques (T-MTT), Frederick Raab, chair and founder of the highfrequency (HF), very high frequency (VHF), ultrahigh frequency (UHF) technology technical committee of the IEEE Micr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8a4a5991b4c1d0684f6c4c56ea4d732e
http://hdl.handle.net/10902/10130
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3
Device characterization and modeling for the design of UHF Class-E inverters and synchronous rectifiers
Autor: Jose A. Garcia, M. N. Ruiz, L. Rizo
Publikováno v: IEEE 15th Workshop on Control and Modeling for Power Electronics (COMPEL), Santander, 2014
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
In this paper, the advantages derived from an appropriate characterization and modeling of active and passive devices, leading to the optimized design of Ultra-High Frequency (UHF) Class-E inverters and synchronous rectifiers, are highlighted. While
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::abbc357df95f92cd18e5f577cc8207a5
http://hdl.handle.net/10902/10207
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4
A low-complexity memoryless model for envelope tracking RF power amplifiers
Autor: Gabriel Montoro, Pere L. Gilabert, Reinel Marante, M. N. Ruiz, Jose A. Garcia
Publikováno v: 9th European Microwave Integrated Circuits Conference (EuMIC), Rome, Italy, 2014, 492-495
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Recercat. Dipósit de la Recerca de Catalunya
Universitat Jaume I
This paper presents a new kind of behavioral model structure for characterizing static nonlinearities in dynamically supplied RF power amplifiers. The proposed architecture is based on the combination of several basic cells and it is focused to simpl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32b2f921288bc476c3d6fa2414edcfeb
http://hdl.handle.net/10902/10232
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5
An E-pHEMT self-biased and self-synchronous class E rectifier
Autor: José Ángel García García, M. N. Ruiz
Publikováno v: IEEE MTT-S International Microwave Symposium (IMS), Tampa (Florida), 2014, 1109-1112
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
In this paper, the design of a self-biased and self-synchronous class E rectifier, based on an Enhancement-mode Pseudomorphic High Electron Mobility Transistor (E-pHEMT), is proposed. Characterized by a small value of the switch-mode time-constant (t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88c330d508ff86952525fd2aea1e69de
http://hdl.handle.net/10902/10203
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6
A dual-band outphasing transmitter using broadband class E power amplifiers
Autor: Gabriel Montoro, L. Rizo, M. N. Ruiz, Pere L. Gilabert, R. Morante, Jose A. Garcia
Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
Universitat Jaume I
International Workshop on Integrated Nonlinear Microwave and Millimetre-wave Circuits (INMMiC), Leuven, Belgium, 2014.
UCrea Repositorio Abierto de la Universidad de Cantabria
Universidad de Cantabria (UC)
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
In this paper, a dual-band outphasing transmitter (able of operating either at 770 MHz or 960 MHz frequency bands) is presented. Two broadband RF power amplifiers (PAs) have been designed over packaged GaN HEMT devices, switching close to the nominal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2192fbc0af924c0c047fb6887615f4cb
https://hdl.handle.net/2117/26377
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7
A 1 GHz frequency-controlled class E2 DC/DC converter for efficiently handling wideband signal envelopes
Autor: Reinel Marante, M. N. Ruiz, G. Hernandez, Jose A. Garcia
Publikováno v: 2013 IEEE MTT-S International Microwave Symposium Digest (MTT).
In this paper, a 1 GHz class E2 DC/DC converter, implementing a frequency-modulation (FM) control, is proposed for efficiently handling wideband wireless signal envelopes. Properly terminating the inverting and rectifying GaN HEMT devices, a nearly l
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1f76a49a0552733d01e6510a1cce554a
https://doi.org/10.1109/mwsym.2013.6697663
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10
Autonomy, past and present
Autor: Duda, Richard, Riley, Philip
Publikováno v: Pedagogical Reflections on Learning Languages in Instructed Settings
E. Usó-Juan, M. N. Ruiz-Madrid. Pedagogical Reflections on Learning Languages in Instructed Settings, Cambridge Scholars Press, pp.48-60, 2009
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::2a8d615a1f9208a31868b118b868a3e7
https://hal.archives-ouvertes.fr/hal-00525679
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