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Sintering temperature influence on microwave dielectric properties of TiO2-ZrO2 ceramics
(2010-12-15)
Dielectric ceramics have been widely investigated and used for microwave applications such as resonators and filters. The present study deals with the influence of sintering temperature on microwave dielectric properties ...
Sintering temperature influence on microwave dielectric properties of TiO2-ZrO2 ceramics
(2010-12-15)
Dielectric ceramics have been widely investigated and used for microwave applications such as resonators and filters. The present study deals with the influence of sintering temperature on microwave dielectric properties ...
Nonlinear device model for GaN and GaAs microwave transistors including memory effects
(Institute of Electrical and Electronics Engineers Inc., 2015)
In this paper, a new technique for modeling GaN and GaAs transistors is presented. The technique can model one of the most critical phenomena in telecommunications, frequency dispersion effects which is related to memory ...
Microwave device modeling exploiting generalized space mapping
(First Int. Workshop on Surrogate Modeling and Space Mapping for Engineering Optimization, 2014)
Non-linear modeling for low and high power microwave transistors
(IEEE Xplore Digital Library, 2017-01-19)
New generation of communications systems will demand the use of low power devices in mesh configuration. This work presents a new characterization procedure for those devices in order to predict their behaviour before the ...
Microwave device modeling exploiting generalized space mapping
(First Int. Workshop on Surrogate Modeling and Space Mapping for Engineering Optimization, 2000-11)
Microwave device modeling exploiting generalized space mapping
(First Int. Workshop on Surrogate Modeling and Space Mapping for Engineering Optimization, 2000-11)
Processamento de nanomateriais em hidrotermal convencional e hidrotermal de microondas
(2007-07-01)
Copper, zinc and nickel oxides present different properties in nanostructured form. These nanomaterials present very interesting morphologies such as urchin and flowers. This differents arquitechures can be employed in ...
Processamento de nanomateriais em hidrotermal convencional e hidrotermal de microondas
(2007-07-01)
Copper, zinc and nickel oxides present different properties in nanostructured form. These nanomaterials present very interesting morphologies such as urchin and flowers. This differents arquitechures can be employed in ...
Methodology for modeling and implementation of RF power amplifiers
(Institute of Electrical and Electronics Engineers Inc., 2017)
A new methodology for modeling and implementation of RF power amplifiers is shown. Starting from pulsed measurements, we demonstrated that we can predict small and large signal performances considering frequency dispersion ...