Emergency Locator Transmitters in the Era of More Electric Aircraft: A Comprehensive Review of Energy, Integration and Safety Challenges.

Francisco Colodro Ruiz Francisco Colodro https://orcid.org/0000-0001-6108-6117

Juana Maria Martinez-Heredia Adrián Portos Marcel Stepánek Francisco Colodro Emergency Locator Transmitters in the Era of More Electric Aircraft: A Comprehensive Review of Energy, Integration and Safety Challenges. 2026 March abs/2603.09918 CoRR https://doi.org/10.48550/arXiv.2603.09918 db/journals/corr/corr2603.html#abs-2603-09918 streams/journals/corr

Manuel R. Arahal Manuel G. Satué Kumars Rouzbehi Francisco Colodro Weighting Factors Tuning by Direct Feedback in Predictive Control of Multiphase Motors. 2025 October abs/2510.09290 CoRR https://doi.org/10.48550/arXiv.2510.09290 db/journals/corr/corr2510.html#abs-2510-09290 streams/journals/corr

Marta Laguna Garcia Esteban Marsal Francisco Colodro Juana Maria Martinez-Heredia Digital-to-analog converters based on Time-Interleaved Sigma-Delta Modulation with Analog Multiplexing. 1-6 2024 DCIS https://doi.org/10.1109/DCIS62603.2024.10769205 conf/dcis/2024 db/conf/dcis/dcis2024.html#GarciaMCM24

David Soto-Marchena Federico Barrero Francisco Colodro Manuel R. Arahal Jose Luis Mora On-Site Calibration of an Electric Drive: A Case Study Using a Multiphase System. 7317 2023 September 23 Sensors 17 https://doi.org/10.3390/s23177317 db/journals/sensors/sensors23.html#SotoMarchenaBCAM23

Francisco Colodro Juana Maria Martinez-Heredia Jose Luis Mora Jaime Ramírez-Angulo Antonio Torralba 0002 Time-Interleaving Sigma-Delta Modulator-Based Digital-to-Analog Converter With Time Multiplexing in the Analog Domain. 441-445 2023 February 70 IEEE Trans. Circuits Syst. II Express Briefs 2 https://doi.org/10.1109/TCSII.2022.3214379 db/journals/tcasII/tcasII70.html#ColodroMMRT23

Francisco Colodro Juana Maria Martinez-Heredia Jose Luis Mora Antonio Torralba 0002 Time-interleaving design of error-feedback sigma-delta modulators with infinite impulse response noise transfer function. 448-454 2021 15 IET Circuits Devices Syst. 5 https://doi.org/10.1049/cds2.12040 db/journals/iet-cds/iet-cds15.html#ColodroMM021

Juana Maria Martinez-Heredia Francisco Colodro Jose Luis Mora Jimenez Alejandro Remujo Joaquín Soriano Sergio Esteban Development of GaN Technology-Based DC/DC Converter for Hybrid UAV. 88014-88025 2020 8 IEEE Access https://doi.org/10.1109/ACCESS.2020.2992913 db/journals/access/access8.html#Martinez-Heredia20

Francisco Colodro Antonio Torralba 0002 Linearity Enhancement of VCO-Based Quantizers for SD Modulators by Means of a Tracking Loop. 383-387 2014 61-II IEEE Trans. Circuits Syst. II Express Briefs 6 https://doi.org/10.1109/TCSII.2014.2319914 db/journals/tcas/tcasII61.html#ColodroT14

Francisco Colodro Antonio Torralba 0002 Frequency-to-digital conversion based on a sampled Phase-Locked Loop. 880-887 2013 44 Microelectron. J. 10 https://doi.org/10.1016/j.mejo.2013.02.003 db/journals/mj/mj44.html#ColodroT13

Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Impact of finite impulse response digital-toanalogue converter delay on the stability of continuous-time sigma-delta modulators with pulse-with modulation in the feedback path. 218-226 2010 4 IET Circuits Devices Syst. 3 https://doi.org/10.1049/iet-cds.2009.0106 db/journals/iet-cds/iet-cds4.html#RuizS10

Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Spectral Analysis of Pulsewidth-Modulated Sampled Signals. 622-626 2010 57-II IEEE Trans. Circuits Syst. II Express Briefs 8 https://doi.org/10.1109/TCSII.2010.2048483 db/journals/tcas/tcasII57.html#RuizT10a

Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Continuous-Time Sigma-Delta Modulator With a Fast Tracking Quantizer and Reduced Number of Comparators. 2413-2425 2010 57-I IEEE Trans. Circuits Syst. I Regul. Pap. 9 https://doi.org/10.1109/TCSI.2010.2043991 db/journals/tcas/tcasI57.html#RuizT10

Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Pulse-width modulation in sigma-delta modulators. 1081-1084 2010 ISCAS https://doi.org/10.1109/ISCAS.2010.5537341 conf/iscas/2010 db/conf/iscas/iscas2010.html#RuizT10

Francisco Colodro Ruiz Antonio Jesús Torralba Silgado New Continuous-Time Multibit Sigma-Delta Modulators With Low Sensitivity to Clock Jitter. 74-83 2009 56-I IEEE Trans. Circuits Syst. I Regul. Pap. 1 https://doi.org/10.1109/TCSI.2008.922178 db/journals/tcas/tcasI56.html#RuizT09

Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Jose Luis Mora Juana Maria Martinez-Heredia An Analog Squaring Technique Based on Asynchronous Sigma-Delta Modulation. 629-633 2009 56-II IEEE Trans. Circuits Syst. II Express Briefs 8 https://doi.org/10.1109/TCSII.2009.2025626 db/journals/tcas/tcasII56.html#RuizTMM09

Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Marta Laguna Garcia Continuous-Time Sigma-Delta Modulator With an Embedded Pulsewidth Modulation. 775-785 2008 55-I IEEE Trans. Circuits Syst. I Regul. Pap. 3 https://doi.org/10.1109/TCSI.2008.919764 db/journals/tcas/tcasI55.html#RuizTG08

Francisco Colodro Antonio Torralba 0002 Multibit CT SD modulators with pulse width modulation and FIR-DAC in the feedback path. 430-433 2008 ICECS https://doi.org/10.1109/ICECS.2008.4674882 conf/icecsys/2008 db/conf/icecsys/icecsys2008.html#ColdroT08

Francisco Colodro Ruiz Antonio Torralba 0002 Marta Laguna Garcia Time-Interleaved Multirate Sigma-Delta Modulators. 1026-1030 2006 53-II IEEE Trans. Circuits Syst. II Express Briefs 10 https://doi.org/10.1109/TCSII.2006.882230 db/journals/tcas/tcasII53.html#Ruiz0G06

Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Marta Laguna Garcia Time-interleaved multirate sigma-delta modulators. 5581-5584 2005 conf/iscas/2005 ISCAS (6) https://doi.org/10.1109/ISCAS.2005.1465902 db/conf/iscas/iscas2005-6.html#RuizTG05

Francisco Colodro Antonio Torralba 0002 Jose Luis Mora Digital noise-shaping of residues in dual-quantization sigma-delta modulators. 225-232 2004 51-I IEEE Trans. Circuits Syst. I Regul. Pap. 2 https://doi.org/10.1109/TCSI.2003.822408 db/journals/tcas/tcasI51.html#Colodro0M04

Francisco Colodro Ruiz Antonio Torralba 0002 Alfredo Pérez Vega-Leal Francisco Perez Ridao New multirate bandpass sigma-delta modulators. 2141-2147 2004 51-I IEEE Trans. Circuits Syst. I Regul. Pap. 11 https://doi.org/10.1109/TCSI.2004.836854 db/journals/tcas/tcasI51.html#Ruiz0VR04

Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Alfredo Pérez Vega-Leal Francisco Perez Ridao A multirate based band-pass sigma-delta modulator. 1128-1131 2004 conf/iscas/2004 ISCAS (1) https://doi.org/10.1109/ISCAS.2004.1328398 db/conf/iscas/iscas2004-1.html#RuizTVR04 Francisco Colodro Ruiz Antonio Jesús Torralba Silgado New dual-quantization multibit sigma-delta modulators with digital noise-shaping. 1053-1056 2003 conf/iscas/2003 ISCAS (1) https://doi.org/10.1109/ISCAS.2003.1205748 db/conf/iscas/iscas2003-1.html#RuizS03 Antonio Jesús Torralba Silgado Francisco Colodro Ruiz Multirate-cascade sigma-delta (MC-SD) modulators. 384-387 2001 conf/iscas/2001 ISCAS (1) https://doi.org/10.1109/ISCAS.2001.921873 db/conf/iscas/iscas2001-1.html#SilgadoR01 Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Improved multirate sigma-delta architecture. 464-467 2001 conf/iscas/2001 ISCAS (1) https://doi.org/10.1109/ISCAS.2001.921893 db/conf/iscas/iscas2001-1.html#RuizS01 Francisco Colodro Antonio Jesús Torralba Silgado Alfredo Pérez Vega-Leal Leopoldo García Franquelo Multirate-multibit sigma-delta modulators. 21-24 2000 ISCAS https://doi.org/10.1109/ISCAS.2000.856248 conf/iscas/2000 db/conf/iscas/iscas2000.html#ColodroSVF00 Jose Luis Mora Eduardo Galvan Francisco Colodro Federico Barrero Jonathan Noel Tombs M. Barranco Antonio Torralba 0002 Leopoldo García Franquelo ASITRON: ASIC for vectorial control of induction motors and speed regulation using fuzzy-logic. 471-475 1998 ICECS https://doi.org/10.1109/ICECS.1998.814041 conf/icecsys/1998 db/conf/icecsys/icecsys1998.html#MoraGCBTBTF98 Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Ramón González Carvajal Leopoldo García Franquelo A Hardware Implementation of CNNs Based on Pulse Stream Techniques. 811-816 1997 conf/iwann/1997 IWANN db/conf/iwann/iwann1997.html#ColodroTGF97 https://doi.org/10.1007/BFb0032540 Ramón González Carvajal Antonio Jesús Torralba Silgado Francisco Colodro Ruiz Leopoldo García Franquelo AFAN, a Tool for the Automatic Design of Fuzzy and Neural Controllers. 825-833 1997 conf/iwann/1997 IWANN db/conf/iwann/iwann1997.html#CarvajalTCF97 https://doi.org/10.1007/BFb0032542 Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Ramón González Carvajal Leopoldo García Franquelo A Fully Stochastic Fuzzy Logic Controller. 834-840 1997 conf/iwann/1997 IWANN db/conf/iwann/iwann1997.html#ColodroTGF97a https://doi.org/10.1007/BFb0032543

Antonio Jesús Torralba Silgado Francisco Colodro Ruiz Emilio Ibanez Leopoldo García Franquelo Two digital circuits for a fully parallel stochastic neural network. 1264-1268 1995 6 IEEE Trans. Neural Networks 5 https://doi.org/10.1109/72.410370 https://www.wikidata.org/entity/Q39833683 db/journals/tnn/tnn6.html#SilgadoRIF95

Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Leopoldo García Franquelo A Circuit for Learning in Fuzzy Logic-Based Controllers. 279-286 1995 conf/iscas/1995 ISCAS db/conf/iscas/iscas1995-1.html#ColodroTF95 https://doi.org/10.1109/ISCAS.1995.521505 Antonio Jesús Torralba Silgado Francisco Colodro Ruiz Leopoldo García Franquelo A Mixed Parallel-Sequential SHNN for Large Networks. 789-793 1995 conf/iwann/1995 IWANN db/conf/iwann/iwann1995.html#TorralbaCF95 https://doi.org/10.1007/3-540-59497-3_251 Francisco Colodro Ruiz Antonio Jesús Torralba Silgado Leopoldo García Franquelo A Digital Fuzzy-Logic Controller with a Simple Architecture. 101-104 1994 conf/iscas/1994 ISCAS db/conf/iscas/iscas1994-2.html#ColodroTF94 https://doi.org/10.1109/ISCAS.1994.408915 Antonio Jesús Torralba Silgado Francisco Colodro Ruiz Towards a fully parallel stochastic Hopfield neural network. 2741-2743 1993 conf/iscas/1993 ISCAS db/conf/iscas/iscas1993-4.html#TorralbaC93 Manuel R. Arahal M. Barranco Federico Barrero Ramón González Carvajal Sergio Esteban Leopoldo García Franquelo Eduardo Galvan Marta Laguna Garcia Emilio Ibanez Esteban Marsal Juana Maria Martinez-Heredia Jose Luis MoraJose Luis Mora Jimenez Adrián Portos Jaime Ramírez-Angulo Alejandro Remujo Francisco Perez Ridao Kumars Rouzbehi Manuel G. Satué Joaquín Soriano David Soto-Marchena Marcel Stepánek Jonathan Noel Tombs Antonio Torralba 0002Antonio Jesús Torralba Silgado Alfredo Pérez Vega-Leal