Antonio José Lozano Guerrero

Shielding Properties of Conductive Plastic Housings Loaded with Printed Circuit Boards

Abstract In this article, the benefits of using conductive plastics in enclosure configurations have been evaluated, taking into account the influence of internal printed circuit boards. Conductive plastic enclosures are a very attractive alternative to traditional metallic enclosures to protect electronic systems against electromagnetic interference. A wide range of conductivities can be obtained with these materials to satisfy a required design. An equivalent model for the printed circuit board has been used to evaluate the effects of radiated interference upon electronic equipment under two orientations. The possibilities and drawbacks of this equivalent model are also discussed. Two different designs with these materials have been studied to analyze the advantages derived from its use with the help of measurements and simulations. Shielding effectiveness and Q-factor have been used to compare the shielding properties of these enclosures with similarly sized metallic ones, taking into account the influence of an internal printed circuit board.

Coaxial to waveguide transitions and device under test characterization by means of inverse techniques

This work was supported in part by the Ministerio de Ciencia e Innovacion under the project with reference CIT-020000-2008-43.

Analysis of reactive and resistive open waveguide filters for use in microwave‐heating applicators

This work was supported in part by the Fundacion Seneca, Agencia de Ciencia y Tecnologia de la Region de Murcia, under a Seneca predoctoral fellowship with reference 12425/FP/09 and under the project with reference 11689/PI/09.

Re-construction of an AUV as a platform for oceanographic research and a test bed for implementation of control systems based on neurobiological networks

This work considers the re-design of an autonomous underwater vehicle (AUV) in which an innovative, neurobiological inspired sensorization control system is being implemented. Hardware architecture and sensorization control software are being developed to allow autonomous navigation procedures for submarine vehicles. After the refurbishment of the vehicle and the update of its control system, the ROV is able to load CTD sensors, chlorophyll, turbidity, optical dissolved oxygen (YSI V6600 sonde) and nitrate analyzer (SUNA) together with ADCP, side scan sonar and video camera, in a flexible configuration to provide a water quality monitoring platform with mapping capabilitiesi.