J. Ramírez‐Angulo

7.2k citations

380 papers · 5.6k indexed · 1 hit paper · h-index 35

Impact in

Biomedical Engineering top 0.2%
- Analog and Mixed-Signal Circuit Design
Electrical and Electronic Engineering top 0.5%
- Advancements in Semiconductor Devices and Circuit Design
- Radio Frequency Integrated Circuit Design
- Low-power high-performance VLSI design
- CCD and CMOS Imaging Sensors
- Advancements in PLL and VCO Technologies
- Semiconductor materials and devices

Papers in ⓘ

Biomedical Engineering 339
- Analog and Mixed-Signal Circuit Design 333
Electrical and Electronic Engineering 341
- Advancements in Semiconductor Devices and Circuit Design 196
- Radio Frequency Integrated Circuit Design 82
- CCD and CMOS Imaging Sensors 73
- Low-power high-performance VLSI design 67
- Advancements in PLL and VCO Technologies 39

Co-authors: R.G. Carvajal (210 shared papers)Antonio J. López‐Martín (179 shared papers)A. Torralba (60 shared papers)F. Muñoz (26 shared papers)J. Galán (27 shared papers)E. Sánchez‐Sinencio (28 shared papers)A. Carlosena (8 shared papers)S. Baswa (9 shared papers)
Journals: Electronics Letters (41 papers)Analog Integrated Circuits and Signal Processing (14 papers)IEEE Transactions on Circuits & Systems II Express Briefs (12 papers)International Journal of Circuit Theory and Applications (9 papers)IEEE Journal of Solid-State Circuits (9 papers)
Partner nations: United States Spain Mexico

In The Last Decade

J. Ramírez‐Angulo

359 papers receiving 5.3k citations

Hit Papers

align trajectories log scale

The flipped voltage follower: a useful cell for low-voltage low-power circuit design 2005 · 545 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2005 IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications

Peers

Countries citing papers authored by J. Ramírez‐Angulo

Since Specialization

Citations

This map shows the geographic impact of J. Ramírez‐Angulo's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by J. Ramírez‐Angulo with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. Ramírez‐Angulo more than expected).

Fields of papers citing papers by J. Ramírez‐Angulo

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. Ramírez‐Angulo. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by J. Ramírez‐Angulo. The network helps show where J. Ramírez‐Angulo may publish in the future.

Co-authors

The 25 scholars most cited alongside J. Ramírez‐Angulo, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with J. Ramírez‐Angulo Line = papers co-authored together J. Ramírez‐Angulo links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 380 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	The flipped voltage follower: a useful cell for low-voltage low-power circuit design IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications ·R.G. Carvajal, J. Ramírez‐Angulo, Antonio J. López‐Martín, A. Torralba, J. Galán, A. Carlosena, F. Muñoz Hit paper breakdown →	2005	545
2	Low-Voltage Super class AB CMOS OTA cells with very high slew rate and power efficiency IEEE Journal of Solid-State Circuits ·Antonio J. López‐Martín, S. Baswa, J. Ramírez‐Angulo, R.G. Carvajal	2005	232
3	Very Low-Voltage Analog Signal Processing Based on Quasi-Floating Gate Transistors IEEE Journal of Solid-State Circuits ·J. Ramírez‐Angulo, Antonio J. López‐Martín, R.G. Carvajal, F. Muñoz	2004	185
4	Current-mode continuous-time filters: two design approaches IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing ·J. Ramírez‐Angulo, M.E. Robinson, E. Sanchez-Sinecio	1992	148
5	The flipped voltage follower: a useful cell for low-voltage low-power circuit design J. Ramírez‐Angulo, R.G. Carvajal, A. Torralba, J. Galán, A. Pérez Vega-Leal, J. Tombs	2003	138
6	Operational transconductance amplifier-based nonlinear function syntheses IEEE Journal of Solid-State Circuits ·E. Sánchez‐Sinencio, J. Ramírez‐Angulo, B. Linares-Barranco, Á. Rodríguez‐Vázquez	1989	135
7	Low-voltage circuits building blocks using multiple-input floating-gate transistors IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications ·J. Ramírez‐Angulo, S.C. Choi, G. Gonzalez-Altamirano	1995	120
8	A free but efficient low-voltage class-AB two-stage operational amplifier IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing ·J. Ramírez‐Angulo, R.G. Carvajal, J. Galán, Antonio J. López‐Martín	2006	115
9	Low Supply Voltage High-Performance CMOS Current Mirror With Low Input and Output Voltage Requirements IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing ·J. Ramírez‐Angulo, R.G. Carvajal, A. Torralba	2004	108
10	Super Class-AB Recycling Folded Cascode OTA IEEE Journal of Solid-State Circuits ·M. Pilar Garde, Antonio J. López‐Martín, R.G. Carvajal, J. Ramírez‐Angulo	2018	72
11	A low-power low-voltage OTA-C sinusoidal oscillator with a large tuning range IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications ·J. Galán, R.G. Carvajal, A. Torralba, F. Muñoz, J. Ramírez‐Angulo	2005	68
12	A new family of very low-voltage analog circuits based on quasi-floating-gate transistors IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing ·J. Ramírez‐Angulo, Carlos Urquidi, R.G. Carvajal, A. Torralba, Antonio J. López‐Martín	2003	67
13	Simple technique using local CMFB to enhance slew rate and bandwidth of one-stage CMOS op-amps Electronics Letters ·J. Ramírez‐Angulo, Michael L. Holmes	2002	64
14	Using Floating Gate and Quasi-Floating Gate Techniques for Rail-to-Rail Tunable CMOS Transconductor Design IEEE Transactions on Circuits and Systems I Regular Papers ·Jose M. Algueta, Antonio J. López‐Martín, Lucía Acosta, J. Ramírez‐Angulo, R.G. Carvajal	2011	63
15	High frequency compensated current-mode ladder filters using multiple output OTAs IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing ·J. Ramírez‐Angulo, E. Sánchez‐Sinencio	1994	59
16	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 IEEE Transactions on Circuits and Systems II Analog and Digital Signal Processing ·J. Ramírez‐Angulo, R.G. Carvajal, J. Tombs, A. Torralba	2001	57
17	Highly Linear Tunable CMOS $Gm{\hbox{-}}C$Low-Pass Filter IEEE Transactions on Circuits and Systems I Regular Papers ·Lucía Acosta, Manuel Jiménez, R.G. Carvajal, Antonio J. López‐Martín, J. Ramírez‐Angulo	2009	56
18	Modeling multiple-input floating-gate transistors for analog signal processing J. Ramírez‐Angulo, G. Gonzalez-Altamirano, S.C. Choi	2002	55
19	Comparison of conventional and new flipped voltage structures with increased input/output signal swing and current sourcing/sinking capabilities J. Ramírez‐Angulo, Shourya Gupta, Ivan Padilla-Cantoya, R.G. Carvajal, A. Torralba, Manuel Jiménez, F. Muñoz	2005	55
20	CMOS Transconductors With Continuous Tuning Using FGMOS Balanced Output Current Scaling IEEE Journal of Solid-State Circuits ·Antonio J. López‐Martín, J. Ramírez‐Angulo, R.G. Carvajal, Lucía Acosta	2008	51

About J. Ramírez‐Angulo

J. Ramírez‐Angulo is a scholar working on Biomedical Engineering, Electrical and Electronic Engineering, Bioengineering, Hardware and Architecture and Cellular and Molecular Neuroscience, having authored 380 papers that have together received 5.6k indexed citations. Recurring topics across this work include Analog and Mixed-Signal Circuit Design (333 papers), Advancements in Semiconductor Devices and Circuit Design (196 papers), Radio Frequency Integrated Circuit Design (82 papers), CCD and CMOS Imaging Sensors (73 papers), Low-power high-performance VLSI design (67 papers), Advancements in PLL and VCO Technologies (39 papers), Neuroscience and Neural Engineering (32 papers) and Analytical Chemistry and Sensors (30 papers). The work is most often cited by research in Biomedical Engineering (4.8k citations), Electrical and Electronic Engineering (5.1k citations), Bioengineering (211 citations), Cellular and Molecular Neuroscience (556 citations) and Hardware and Architecture (197 citations). J. Ramírez‐Angulo has collaborated with scholars based in United States, Spain and Mexico. Frequent co-authors include R.G. Carvajal, Antonio J. López‐Martín, A. Torralba, F. Muñoz, J. Galán, E. Sánchez‐Sinencio, A. Carlosena, S. Baswa, Lucía Acosta and J. Tombs. Their work appears in journals such as Electronics Letters, Analog Integrated Circuits and Signal Processing, IEEE Transactions on Circuits & Systems II Express Briefs, International Journal of Circuit Theory and Applications and IEEE Journal of Solid-State Circuits.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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