Browsing by Author "Barlabe Dalmau, Antoni"
Now showing items 1-18 of 18
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A 2.4 GHz CMOS class-F power amplifier with reconfigurable load-impedance matching
(2019)
Article
Open Access -
A very low distortion high efficiency class-F power amplifier at 900 MHz.
(2013)
Conference report
Open AccessThis paper presents a novel class - F power amplifier for mobile applications in which with a proper harmonic tuning structure the need f or an extra fil tering section is eliminated . A class - F ... -
Advanced millimeter wave technology for mobile communications
(Institute of Electrical and Electronics Engineers (IEEE), 1993)
Conference report
Open Access -
An assessment of different relay network topologies to improve Earth-Mars communications
(2023-04)
Article
Open AccessThe future of deep space communications encompasses a challenging situation where the current facilities used to communicate with different spacecraft may become saturated as a result of an increasing number of missions ... -
Anàlisi de discontinuïtats finline
(Universitat Politècnica de Catalunya, 1996-02-26)
Doctoral thesis
Open AccessEn esta tesis se han desarrollado los siguientes métodos numéricos para el análisis de estructuras planares, especialmente finline, en la banda de microondas y ondas milimétricas: <br/>-el método de las líneas con ... -
Anàlisi, simulació i optimització d'una transició línia coaxial - guia coplanar amb el programari CST Microwave Studio
(2009-07)
Research report
Restricted access - author's decisionEn aquest document presentem un resum de les tasques realitzades per tal de modelar, simular i optimitzar la transició entre una línia coaxial de secció quadrada i una guia coplanar sobre un substrat de silici a la banda ... -
Design of minimum nonlinear distortion reconfigurable antennas for next-generation communication systems
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-01)
Part of book or chapter of book
Open AccessNonlinear effects in the radio front-end can degrade communication quality and system performance. In this paper we present a new design technique for reconfigurable antennas that minimizes the nonlinear distortion and ... -
Design of minimum nonlinear distortion reconfigurable antennas for next-generation communication systems
(2021-04-01)
Article
Open AccessNonlinear effects in the radio front-end can degrade communication quality and system performance. In this paper we present a new design technique for reconfigurable antennas that minimizes the nonlinear distortion and ... -
Dielectric properties of milk during ultra-heat treatment
(Elsevier, 2018-02-01)
Article
Open AccessDielectric properties are important for predicting dielectric heating of foodstuffs. The dielectric properties of three types of milk (raw, skimmed and concentrated non-fat) were analyzed at high frequencies between 10 MHz ... -
Generalized transverse resonance analysis of planar discontinuities considering the edge effect
(2000-12)
Article
Open AccessAbstract: Mode-matching related techniques such as the Generalized Transverse Resonance Method (GTR) suffer from the relative convergence phenomenon. To reduce its influence, we present a technique consisting of the ... -
Generalized transverse resonance analysis of planar discontinuities considering the edge effect
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-12-31)
Article
Open AccessMode-matching related techniques such as the Generalized Transverse Resonance Method (GTR) suffer from the relative convergence phenomenon. To reduce its influence, we present a technique consisting of the application of ... -
High efficiency reconfigurable class-F power amplifier at 2.4 GHz in CMOS-MEMS technology
(2015)
Conference report
Restricted access - confidentiality agreementA novel reconfigurable CMOS class-F power amplifier is proposed in this paper which can adapt to load variations resulted from the hand effect on a mobile phone. Reconfigurability is achieved by using MEMS switches that ... -
High-efficiency reconfigurable dual-band class-F power amplifier with harmonic control network using MEMS
(2020-07-01)
Article
Open AccessThis letter presents a novel reconfigurable, high-efficiency class-F power amplifier (PA) structure, using a commercial GaN-HEMT, that achieves dual-band configuration not only at the fundamental frequency but also at the ... -
Highly efficient class-F RF power amplifiers with very low distortion
(2013-12)
Article
Restricted access - publisher's policyThis paper presents a novel class-F power amplifiers for mobile applications in which the need for an extra filtering section is eliminated with a proper harmonic tuning structure. Two class-F power amplifiers are presented ... -
Lens based switched beam antenna for a 5G smart repeater
(2023-10)
Article
Open AccessA 16 switched beam lens based antenna with a coverage area of ±30° in the horizontal plane and from 0 to -20° in the vertical plane has been built and tested. The intended use of the antenna is as part of a smart repeater ... -
Notes sobre el programari "Micro-Stripes" v.6.1. de la casa "Flomerics"
(2004-01)
Research report
Restricted access - author's decisionReport de recerca intern -
Procés de disseny i simulació amb "ADS Momentum" d'una bifurcació en "Y" a 45º de guies coplanars amb interruptors MEMS
(2004-10)
Research report
Restricted access - author's decisionReport de recerca intern -
X-parameters based characterization of PIN diodes for reconfigurable antenna assessment
(Íñigo Cuiñas Gómez, 2021)
Conference report
Restricted access - publisher's policyThis contribution presents the non-linear characterization up to 50 GHz of a PIN diode commonly used as switch for reconfigurable devices at microwave applications. Non-linear models are extracted by means of X-parameter ...
