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Agapito Serrano, Juan Andrés ; Barradas, Nuno P. ; Cardeira, Fernando M. ; Casas-Cubillos, Juan ; Fernandes, Ana C. ; Franco Peláez, Francisco Javier ; Gomes, Paulo ; Gonçalves, Isabel C. ; Hernández Cachero, Antonio ; Lozano Rogado, Jesús ; Martin Barreales, Miguel Ángel ; Marques, José G. ; Paz López, Antonio ; Prata, María José ; Ramalho, Antonio J. G. ; Rodríguez-Ruiz, Miguel Ángel ; Santos Blanco, José Pedro ; Vieira, A. | CERN Publishing Service | 2000-12-01Instrumentation amplifiers and voltage controlled current sources have been designed by using single operational amplifiers (OPA124, TLE2071 and OPA627). Their performance has been evaluated in the laboratory and under neutron radiation. On line[...]texto impreso
Agapito Serrano, Juan Andrés ; Cardeira, F. M. ; Casas-Cubillos, Juan ; Duarte Muñoz, Abraham ; Fernandes, Ana C. ; Franco Peláez, Francisco Javier ; Gil, María José ; Gomes, Paulo ; Gonçalves, Isabel C. ; Hernández Cachero, Antonio ; Jordung, Ulf ; Martin Barreales, Miguel Ángel ; Marques, José G. ; Paz López, Antonio ; Ramalho, Antonio J. G. ; Rodríguez-Ruiz, Miguel Ángel ; Santos Blanco, José Pedro | CERN Publishing Service | 1999-10-29The LHC accelerator will use about 1600 main superconducting magnets operating below 2K. The magnets temperature is a control parameter and its target accuracy imposes very severe constraints on both the sensing element and its signal conditione[...]texto impreso
Agapito Serrano, Juan Andrés ; Casas-Cubillos, Juan ; Fernandes, Ana C. ; Franco Peláez, Francisco Javier ; Gonçalves, Isabel ; Hernández Cachero, Antonio ; Marques, José G. ; Rodríguez-Ruiz, Miguel Ángel ; Zong, Yi | CERN Publishing Service | 2004-08-13The cryogenic system of the LHC will use Pt-100 sensors to measure temperatures between 40-300K and isolation devices will be used. The selected commercial components must be rad-tolerant since a total radiation dose of 5E12 n/cm2 &100 Gy is exp[...]texto impreso
Franco Peláez, Francisco Javier ; Zong, Yi ; Agapito Serrano, Juan Andrés ; Hernández Cachero, Antonio | IEEE-Inst Electrical Electronics Engineers Inc | 2005-07-11XFET references make up a new kind of voltage references different from the popular band-gap or buried Zener devices. These references are built by means of a reference cell consisting of a couple of p-channel junction field effect transistors w[...]texto impreso
Agapito Serrano, Juan Andrés ; Barradas, Nuno P. ; Cardeira, Fernando M. ; Casas-Cubillos, Juan ; Fernandes, Ana C. ; Franco Peláez, Francisco Javier ; Gomes, Paulo ; Gonçalves, Isabel C ; Hernández Cachero, Antonio ; Lozano Rogado, Jesús ; Marques, José G. ; Paz López, Antonio ; Prata, María José ; Ramalho, Antonio J. G. ; Rodríguez-Ruiz, Miguel Ángel ; Santos Blanco, José Pedro ; Vieira, A. | CERN Publishing Service | 2001A study of several commercial instrumentation amplifiers (INA110, INA111, INA114, INA116, INA118 & INA121) under neutron and vestigial gamma radiation was done. Some parameters (Gain, input offset voltage, input bias currents) were measured on-l[...]texto impreso
Amigo de la Huerga, Ángel ; Palomar Trives, Carlos ; Franco Peláez, Francisco Javier ; López Calle, Isabel ; Cervera, María Fe ; Hernández Cachero, Antonio ; Agapito Serrano, Juan Andrés | Escuela Técnica Superior de Ingenieros Industriales. Universidad Politécnica de Madrid | 2013-07-10En esta contribución se explica el diseño, fabricación y verificación experimental de un sistema automático de lectura y escritura de memorias SRAM cuyo objeto es la determinación de la tasa de errores asociados a la acción de los rayos cósmicos[...]texto impreso
Zong, Yi ; Franco Peláez, Francisco Javier ; Hernández Cachero, Antonio ; Agapito Serrano, Juan Andrés ; Fernandes, Ana C. ; Marques, José G. ; Rodríguez-Ruiz, Miguel Ángel ; Casas-Cubillos, Juan | 2005-07-11This paper describes the evolution of different commercial microprocessor supervisory circuits under neutron and gamma radiation. After the irradiation, the tested devices showed some interesting changes: an increase of supply current and the pe[...]
