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Ramon G. Carvajal
Ramon G. Carvajal
Universidad de Sevilla (Professor at the Electronics Engineering Department)
Verified email at us.es - Homepage
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Year
The flipped voltage follower: A useful cell for low-voltage low-power circuit design
RG Carvajal, J Ramírez-Angulo, AJ López-Martín, A Torralba, JAG Galán, ...
IEEE Transactions on Circuits and Systems I: Regular Papers 52 (7), 1276-1291, 2005
7592005
Low-voltage super class AB CMOS OTA cells with very high slew rate and power efficiency
AJ López-Martín, S Baswa, J Ramirez-Angulo, RG Carvajal
IEEE Journal of Solid-State Circuits 40 (5), 1068-1077, 2005
3662005
Very low-voltage analog signal processing based on quasi-floating gate transistors
J Ramirez-Angulo, AJ Lopez-Martin, RG Carvajal, FM Chavero
IEEE Journal of Solid-State Circuits 39 (3), 434-442, 2004
2922004
The flipped voltage follower: A useful cell for low-voltage low-power circuit design
J Ramirez-Angulo, RG Carvajal, A Torralba, J Galan, AP Vega-Leal, ...
2002 IEEE International Symposium on Circuits and Systems. Proceedings (Cat …, 2002
1912002
A free but efficient low-voltage class-AB two-stage operational amplifier
J Ramírez-Angulo, RG Carvajal, JA Galán, A Lopez-Martin
IEEE Transactions on Circuits and Systems II: Express Briefs 53 (7), 568-571, 2006
1662006
Low supply voltage high-performance CMOS current mirror with low input and output voltage requirements
J Ramirez-Angulo, RG Carvajal, A Torralba
IEEE Transactions on Circuits and Systems II: Express Briefs 51 (3), 124-129, 2004
1612004
0.7-V three-stage class-AB CMOS operational transconductance amplifier
E Cabrera-Bernal, S Pennisi, AD Grasso, A Torralba, RG Carvajal
IEEE Transactions on Circuits and Systems I: Regular Papers 63 (11), 1807-1815, 2016
1312016
A new family of very low-voltage analog circuits based on quasi-floating-gate transistors
J Ramirez-Angulo, CA Urquidi, R González-Carvajal, A Torralba, ...
IEEE Transactions on Circuits and Systems II: Analog and Digital Signal …, 2003
1292003
Super class-AB OTAs with adaptive biasing and dynamic output current scaling
JA Galan, AJ Lopez-Martin, RG Carvajal, J Ramirez-Angulo, ...
IEEE Transactions on Circuits and Systems I: Regular Papers 54 (3), 449-457, 2007
1262007
A low-power low-voltage OTA-C sinusoidal oscillator with a large tuning range
J Galan, RG Carvajal, A Torralba, F Muñoz, J Ramirez-Angulo
IEEE Transactions on Circuits and Systems I: Regular Papers 52 (2), 283-291, 2005
1012005
A. Carlo sena, Member, F. Muñoz Chavero
RG Carvajal, J Ramírez, AJ Angulo, AT López–Martín, JAG Galán
IEEE Transactions On Circuits And Systems—I: Regular Papers 52 (1276), 2021, 2005
992005
Low-voltage CMOS op-amp with rail-to-rail input and output signal swing for continuous-time signal processing using multiple-input floating-gate transistors
J Ramirez-Angulo, RG Carvajal, J Tombs, A Torralba
IEEE Transactions on Circuits and Systems II: Analog and Digital Signal …, 2001
982001
Using floating gate and quasi-floating gate techniques for rail-to-rail tunable CMOS transconductor design
JMA Miguel, AJ Lopez-Martin, L Acosta, J Ramirez-Angulo, RG Carvajal
IEEE Transactions on Circuits and Systems I: Regular Papers 58 (7), 1604-1614, 2011
892011
Highly Linear Tunable CMOS Low-Pass Filter
L Acosta, M Jiménez, RG Carvajal, AJ Lopez-Martin, J Ramirez-Angulo
IEEE Transactions on Circuits and Systems I: Regular Papers 56 (10), 2145-2158, 2009
872009
Super class-AB recycling folded cascode OTA
MP Garde, A Lopez-Martin, RG Carvajal, J Ramírez-Angulo
IEEE Journal of Solid-State Circuits 53 (9), 2614-2623, 2018
802018
Comparison of conventional and new flipped voltage structures with increased input/output signal swing and current sourcing/sinking capabilities
J Ramirez-Angulo, S Gupta, I Padilla, RG Carvajal, A Torralba, M Jimenez, ...
48th Midwest Symposium on Circuits and Systems, 2005., 1151-1154, 2005
802005
Floating-gate-based tunable CMOS low-voltage linear transconductor and its application to HF g/sub m/-C filter design
F Muñoz, A Torralba, RG Carvajal, J Tombs, J Ramirez-Angulo
IEEE Transactions on Circuits and Systems II: Analog and Digital Signal …, 2001
722001
A CMOS transconductor with multidecade tuning using balanced current scaling in moderate inversion
AJ Lopez-Martin, J Ramirez-Angulo, C Durbha, RG Carvajal
IEEE Journal of Solid-State Circuits 40 (5), 1078-1083, 2005
672005
Low-voltage CMOS operational amplifiers with wide input-output swing based on a novel scheme
J Ramirez-Angulo, A Torralba, RG Carvajal, J Tombs
IEEE Transactions on Circuits and Systems I: Fundamental Theory and …, 2000
672000
CMOS transconductors with continuous tuning using FGMOS balanced output current scaling
AJ Lopez-Martin, J Ramirez-Angulo, RG Carvajal, L Acosta
IEEE Journal of Solid-State Circuits 43 (5), 1313-1323, 2008
662008
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