Results 251 to 260 of about 24,741,062 (310)

Appreciation note: Biography Class to Ida M. Tarbell

, 2011
Allegheny College. Biography Class
core  

Molecular assessment of recombination processing across genetically diverse mouse strains reveals sexually dimorphic determinants of crossover distribution beyond chromosome length. [PDF]

Mol Biol Evol
Horan TS, Wood A, Tanis S, Peirau-Gabarrell C, Cohen PE.   +4 more
europepmc   +1 more source

mRNA delivery of a class 1/4 SARS-CoV-2 neutralizing antibody protects against diverse sarbecoviruses in a lethal mouse challenge model. [PDF]

Proc Natl Acad Sci U S A
Skelly AN, Fan C, Keeffe JR, Ökten AB, Gavor E, Newby ML, Allen JD, Kreider EF, Ding W, Osbaldeston RA, Park Y, Connell AJ, Lituchy MG, Bibollet-Ruche F, Radford KM, P West A, Peña-Hernández MA, Cruickshank K, Liu W, Li Y, Albertus A, McWilliams B, Russell RM, Konrath KM, Torres JL, Yuan M, Gao H, Montefiori DC, Saag MS, Goepfert PA, Kulp DW, Ward AB, Wilson IA, Shaw GM, Andrabi R, Crispin M, Weissman D, Wilen CB, Bjorkman PJ, Hahn BH.   +39 more
europepmc   +1 more source

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Stacked Class-E Amplifier

IEEE Transactions on Industrial Electronics, 2020
In this article, a novel class-E amplifier topology, based on the functioning principle of the stacked converters, is presented. In this amplifier the available output electric power is determined by the addition of the electric power generated by each of the associated devices.
Rosendo Peña-Eguiluz, Allan Antonio Flores Fuentes, Antonio Mercado-Cabrera, Régulo López-Callejas, Benjamín G. Rodríguez-Méndez, Raúl Valencia-Alvarado, Bethsabet Jaramillo-Sierra, Alma N. Hernández-Arias   +7 more
openaire   +1 more source

Class E frequency multiplier driving Class E amplifier

Proceedings of Power and Energy Systems in Converging Markets, 2002
In this paper, we propose the Class E frequency multiplier driving Class E amplifier. This circuit is composed of two series connected Class E amplifiers. One of these Class E amplifiers works like a driver circuit. The proposed circuit can reduce the total power dissipation of the driving stage and can work with higher efficiency.
T. Kawahara, T. Suetsugu
openaire   +1 more source

Class-E and inverse class-E switch-mode power amplifiers

Journal of Communications Technology and Electronics, 2012
Circuits of class-E and inverse class-E (Einv) switch-mode power amplifiers (PAs) are systemized on the basis of the principle of duality. New PA circuits (four class-Einv PA circuits and one class-E PA circuit) are proposed. The design relationships for values of reactive LC components of PA shaping circuits are given.
A. V. Vasil’ev, V. B. Kozyrev
openaire   +1 more source

Class E/sup 2/ DC/DC converter with second harmonic resonant class E inverter and Class E rectifier

Proceedings of 1994 IEEE Applied Power Electronics Conference and Exposition - ASPEC'94, 2002
Class E amplifiers have been used as inverters for highly efficient DC/AC energy conversion. ZVS-Class E inverters need an RF choke and ZCS-types have the turn-on switching loss increasing with operating frequency. Both types have nonzero power loss in the on-state resistance of the active switch. The second harmonic resonant Class E inverter has no RF
H. Koizumi, M. Iwadare, S. Mori
openaire   +1 more source