Exploració per altres contribucions "Pradell i Cara, Lluís"
Ara es mostren els items 21-34 de 34
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Measurement and Analysis of radio wave propagation in an indoor environment at 28 GHz
(Universitat Politècnica de Catalunya, 2022-07-05)
Treball Final de Grau
Accés obert
Realitzat a/amb: Aalto-yliopistoMillimeter wave frequencies are utilized in modern wireless systems to satisfy the increasing demand in bandwidth. This study aims to gain more knowledge of radio wave propagation in an entrance hall environment at 28 GHz ... -
Medida de parámetros de ruido de dispositivos activos basada en fuente adaptada
(Universitat Politècnica de Catalunya, 2003-12-15)
Tesi
Accés obertEn esta Tesis se utiliza una técnica de fuente adaptada para medir los parámetros de ruido de transistores de efecto campo, como MESFET y HEMT. Para ello, se ha implementado un sistema de medida en el margen de frecuencias ... -
Microwave filtering amplifiers
(Universitat Politècnica de Catalunya, 2021-06)
Projecte Final de Màster Oficial
Accés obertFiltering microwave amplifiers have become a topic of interest because of the need for devices capable of isolating the system itself and avoiding interference from other systems. Key subsystems in communication receivers ... -
Millimeter wave band reconfigurable circuits (from 30 to above 100 GHz) in BiCMOS-MEMS technology
(Universitat Politècnica de Catalunya, 2019-09-27)
Tesi
Accés obertNowadays, there has been an increased use of mobile devices and growth in the need for information, and because of this, wireless systems with higher data rates and wider bandwidths are demanded every year. Additionally, ... -
MMIC K-band power amplifier design on GaN technology for space applications
(Universitat Politècnica de Catalunya, 2020-09)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitat -
Modelado de circuitos multimodales en entornos microstrip
(Universitat Politècnica de Catalunya, 2014-10-24)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] In this project, a method for modeling multimodal circuits in a simple and reliable way is explained. This method is applicable to any transmission line with N + 1 conductors (N coupled lines plus a reference ... -
Multimodal Bandpass Filters Design
(Universitat Politècnica de Catalunya, 2015-09-10)
Projecte Final de Màster Oficial
Accés obertThe work proposed on this master thesis has its background in the multimodal theory, in which coplanar waveguides structures propagate more than one fundamental mode: the even and the odd mode, and it’s the iteration between ... -
Multimodal microwave filters
(Universitat Politècnica de Catalunya, 2013-11-29)
Tesi
Accés obertThis thesis presents the conception, design and implementation of new topologies of multimodal microwave resonators and filters, using a combination of uniplanar technologies such as coplanar waveguide (CPW), coplanar ... -
Reconfigurable high efficiency class-F power amplifier using CMOS-MEMS technology
(Universitat Politècnica de Catalunya, 2017-09-08)
Tesi
Accés obertThe increasing demand for wireless products to be part of our daily lives brings the need for longer battery lifetime, smaller size and lower cost. To increase battery lifetime, high efficiency power amplifiers (PAs) are ... -
RFID Antenna Design Process for Brain Surgical Prosthesis
(Universitat Politècnica de Catalunya, 2023-07-07)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitatThis document details the design of a Passive UHF RFID Temperature Sensing Antenna Tag, integrated into biocompatible material, to incorporate within a brain surgical prosthesis. This wireless and non-invasive RFID device ... -
Sistema de generació i recepció per a la mesura de senyals de RF amb modulacions i codificacions digitals
(Universitat Politècnica de Catalunya, 2019-06)
Treball Final de Grau
Accés obertThe world of telecommunications is constantly growing and there is an increasing need of systems able to measure the response of new devices to digitally modulated signals. This project develops a remote control system to ... -
Ultra Low-Noise L-band amplifier design for space applications
(Universitat Politècnica de Catalunya, 2021-01-20)
Projecte Final de Màster Oficial
Accés restringit per acord de confidencialitat -
X-parameters measurement techniques of 3-port devices
(Universitat Politècnica de Catalunya, 2020-07)
Treball Final de Grau
Accés obertNowadays, X parameters have become a very useful tool to measure devices with nonlinear behaviour due to S parameters shortcomings. Agilent Technologies developed and introduced this new functionality both in the N5242A ... -
Xarxa de microones sintonitzadora multimodal reconfigurable
(Universitat Politècnica de Catalunya, 2013-12-04)
Projecte/Treball Final de Carrera
Accés obert[ANGLÈS] Nowadays, the matching networks are essential components in front-end architectures for microwave communication systems operating up several gigahertzes. Due to the increase of communication standards in multiband ...