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Isaac López-Fernández
Isaac López-Fernández
Observatorio Astronómico Nacional, Observatorio de Yebes
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The Herschel-heterodyne instrument for the far-infrared (HIFI)
T De Graauw, FP Helmich, TG Phillips, J Stutzki, E Caux, ND Whyborn, ...
Astronomy & Astrophysics 518, L6, 2010
8962010
Yebes 40 m radio telescope and the broad band Nanocosmos receivers at 7 mm and 3 mm for line surveys
F Tercero, JA López-Pérez, JD Gallego, F Beltrán, O García, ...
Astronomy & Astrophysics 645, A37, 2021
1152021
Probing non-polar interstellar molecules through their protonated form: Detection of protonated cyanogen (NCCNH+)
M Agúndez, J Cernicharo, P De Vicente, N Marcelino, E Roueff, A Fuente, ...
Astronomy & Astrophysics 579, L10, 2015
982015
Cryogenic hybrid coupler for ultra-low-noise radio astronomy balanced amplifiers
I Malo-Gomez, JD Gallego-Puyol, C Diez-Gonzalez, I Lopez-Fernandez, ...
IEEE transactions on microwave theory and techniques 57 (12), 3239-3245, 2009
622009
Wideband 67− 116 GHz receiver development for ALMA Band 2
P Yagoubov, T Mroczkowski, V Belitsky, D Cuadrado-Calle, F Cuttaia, ...
Astronomy & Astrophysics 634, A46, 2020
522020
4–12-and 25–34-GHz cryogenic mHEMT MMIC low-noise amplifiers
BA Abelán, M Seelmann-Eggebert, D Bruch, A Leuther, H Massler, ...
IEEE Transactions on Microwave Theory and Techniques 60 (12), 4080-4088, 2012
522012
The science case and challenges of space-borne sub-millimeter interferometry
LI Gurvits, Z Paragi, RI Amils, I van Bemmel, P Boven, V Casasola, ...
Acta Astronautica 196, 314-333, 2022
432022
215 GHz VLBI observations: Detection of fringes on the 1147 KM baseline Pico Veleta-Plateau de Bure
A Greve, M Torres, JE Wink, M Grewing, W Wild, J Alcolea, A Barcia, ...
Astronomy and Astrophysics, v. 299, p. L33 299, L33, 1995
361995
Cryogenic low-noise mHEMT-based MMIC amplifiers for 4–12 GHz band
B Aja, K Schuster, F Schafer, JD Gallego, S Chartier, ...
IEEE Microwave and wireless components letters 21 (11), 613-615, 2011
352011
28SiO v= 0 J= 1–0 emission from evolved stars
P De Vicente, V Bujarrabal, A Díaz-Pulido, C Albo, J Alcolea, A Barcia, ...
Astronomy & Astrophysics 589, A74, 2016
342016
Wideband ultralow-noise cryogenic InP IF amplifiers for the Herschel mission radiometers
I López-Fernández, JD Gallego-Puyol, C Diez, A Barcia, J Martín-Pintado
Millimeter and Submillimeter Detectors for Astronomy 4855, 489-500, 2003
342003
Herschel/HIFI observations of high-J CO transitions in the protoplanetary nebula CRL 618
V Bujarrabal, J Alcolea, R Soria-Ruiz, P Planesas, D Teyssier, ...
Astronomy & Astrophysics 521, L3, 2010
292010
Development of cryogenic IF low-noise 4-12 GHz amplifiers for ALMA radio astronomy receivers
I Lopez-Fernandez, JDG Puyol, CD Gonzalez, AB Cancio
2006 IEEE MTT-S International Microwave Symposium Digest, 1907-1910, 2006
272006
Broad-band high-resolution rotational spectroscopy for laboratory astrophysics
J Cernicharo, JD Gallego, JA López-Pérez, F Tercero, I Tanarro, F Beltrán, ...
Astronomy & Astrophysics 626, A34, 2019
192019
Low-noise cryogenic X-band amplifier using wet-etched hydrogen passivated InP HEMT devices
I López-Fernández, JDG Puyol, OJ Homan, AB Cancio
IEEE Microwave and Guided Wave Letters 9 (10), 413-415, 1999
191999
Experimental results of gain fluctuations and noise in microwave low-noise cryogenic amplifiers
JD Gallego, I López-Fernández, C Diez, A Barcia
Noise in Devices and Circuits II 5470, 402-413, 2004
182004
A measurement test set for ALMA band 9 amplifiers
JD Gallego, I López-Fernández, C Diez
1st Radionet Engineering Forum Workshop, 23-24, 2009
162009
Measurements of gain fluctuations in GaAs and InP cryogenic HEMT amplifiers
JD Gallego, IL Fernández
Centro Astronomico de Yebes, Spain, technical report 1, 2000
132000
Definition of measurements of performance of X band cryogenic amplifiers
JD Gallego, IL Fernández
Technical Note ESA/CAY-01 TN01, 2000
122000
Improved multi-octave 3 dB IF hybrid for radio astronomy cryogenic receivers
I Malo, JD Gallego, C Diez, I López-Fernández, C Briso
The Proc. 20th Int. Symp. on Space Terahertz Technology, 300-307, 2009
112009
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Artículos 1–20