Browsing by Contributor "Collado Gómez, Juan Carlos"
Now showing items 1-20 of 27
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Absorptive frequency selective limiter for multiplexers
(Universitat Politècnica de Catalunya, 2012-07-05)
Master thesis
Restricted access - author's decisionRF & Microwave Receivers are used to detect low level signals. Therefore require high gain and low noise sensitive circuits at the input. These circuits (most of all LNA) are often susceptible to damage if exposed to ... -
Analysis and modelling of lateral modes in electroacoustic resonators
(Universitat Politècnica de Catalunya, 2017-07-14)
Bachelor thesis
Restricted access - confidentiality agreement -
Analysis of Q factor degradation mechanisms in BAW resonators
(Universitat Politècnica de Catalunya, 2024-06-17)
Doctoral thesis
Open Access(English) The emergence of smartphones not only changed the way people uses its phone for, but it also changed the traffic amount that networks need to carry, increasing the demand of higher data rates. The overall result ... -
Aplicación de tecnología RFID con EPC Global Network, estudio de su impacto en los procesos de negocio
(Universitat Politècnica de Catalunya, 2008-02-07)
Master thesis (pre-Bologna period)
Restricted access - author's decisionEste proyecto está basado en la aplicación de la tecnología RFID, Identificación por Radio Frecuencia, en un contexto empresarial, en el cual el impacto en los procesos de negocio es el hilo conductor del desarrollo. Para ... -
Application of the Coupling-Of-Modes (COM) model for designing and manufacturing ladder Surface Acoustic Wave (SAW) filters
(Universitat Politècnica de Catalunya, 2024-07-11)
Master thesis
Restricted access - confidentiality agreementThe manufacturing filter process requires full knowledge of the linear and nonlinear properties of materials and resonator and filter configuration behaviour. Initial test structures, including not only individual resonators ... -
Cosimulación electrotérmica de resonadores y filtros para aplicaciones espaciales
(Universitat Politècnica de Catalunya, 2012-01-21)
Bachelor thesis
Open Access -
Diseño de filtros planares para radiometría
(Universitat Politècnica de Catalunya, 2009-12-14)
Bachelor thesis
Open Access -
Diseño de líneas de transmisión no lineales para compresión de pulsos
(Universitat Politècnica de Catalunya, 2005-07)
Master thesis (pre-Bologna period)
Open Access -
Diseño e implementación de un sistema completo de medida de antenas en campo abierto
(Universitat Politècnica de Catalunya, 2006-02)
Master thesis (pre-Bologna period)
Open Access -
Diseño y fabricación de filtros paso bajo tubulares
(Universitat Politècnica de Catalunya, 2017-07-19)
Bachelor thesis
Open AccessThe objective of this project was to design and manufacture a tubular low pass filter. The filter was designed with the technique of impedance steps and it meets the necessary specifications and frequency mask. Besides, I ... -
Distorsión no lineal en dispositivos electro-acústicos
(Universitat Politècnica de Catalunya, 2016-07-18)
Bachelor thesis
Restricted access - confidentiality agreement -
Estudio y medidas preliminares para el diseño de un filtro combline en banda c
(Universitat Politècnica de Catalunya, 2009-01-26)
Master thesis (pre-Bologna period)
Open AccessEn este trabajo se realiza un amplio estudio de cavidades resonantes coaxiales con el objetivo de un futuro diseño de filtros combline con pérdidas. Con esta finalidad, el primer capítulo hace una breve introducción ... -
Feed-forward technique to measure S-parameters under jamming CW high power out-of-band signals
(Universitat Politècnica de Catalunya, 2017-07-07)
Master thesis
Restricted access - author's decisionIn recent years, high-power radio frequency (RF) devices have become increasingly common due in part, to the high-speed telecommunications industry. The evolution of mobile devices drives to the use of wireless applications ... -
Herramienta de síntesis de filtros electro-acústicos
(Universitat Politècnica de Catalunya, 2021-10-12)
Bachelor thesis
Restricted access - confidentiality agreement -
Linealización de resonadores superconductores
(Universitat Politècnica de Catalunya, 2008-07-24)
Master thesis (pre-Bologna period)
Open AccessLos materiales superconductores de alta temperatura (HTS) permiten realizar dispositivos de muy altas prestaciones y dimensiones muy reducidas. Sin embargo, estos materiales presentan un comportamiento no-lineal ... -
New synthesis features and nonlinear modelling of electroacoustic filters for cellular and space applications
(Universitat Politècnica de Catalunya, 2023-07-13)
Bachelor thesis
Restricted access - confidentiality agreementElectroacoustic filters, also known as acoustic wave (AW) filters, are very helpful in space missions since they can operate reliably under the harsh conditions of space at very high frequencies. The performance of electrical ... -
Nonlinear analysis of electro-acoustic frequency-selective devices for communications
(Universitat Politècnica de Catalunya, 2021-03-09)
Doctoral thesis
Open AccessNowadays, mobile devices have become a key technology in our lives, making us become part of a connected world, in which millions of mobile handsets are sold every year. In order to satisfy the user demands, many mobile ... -
Nonlinear mechanisms in passive microwave devices
(Universitat Politècnica de Catalunya, 2011-06-22)
Doctoral thesis
Open AccessThe telecommunications industry follows a tendency towards smaller devices, higher power and higher frequency, which imply an increase on the complexity of the electronics involved. Moreover, there is a need for extended ... -
Nonlinear modeling and characterization of SAW devices for communications systems
(Universitat Politècnica de Catalunya, 2023-02-10)
Doctoral thesis
Open Access(English) Nowadays, worldwide booming growth in mobile devices puts a lot of pressure on the mobile communications technologies since an enormous amount of requirements, mainly focused on delivering enhanced mobile broadband ... -
Novel transversal topologies and coupled resonator configurations for acoustic wave filters
(Universitat Politècnica de Catalunya, 2023-06-09)
Doctoral thesis
Open Access(English) During the last years, electro-acoustic technology has been a key factor in the development of portable devices thanks to its high performance and very compact filtering structures. Such a technology has enabled ...
