- idUS
- Listar por autor
Listar por autor "González Carvajal, Ramón"
Mostrando ítems 1-20 de 83
-
Ponencia
0.13-µm CMOS tunable transconductor based on the body-driven gain boosting technique with application in Gm-C filters
Sánchez Rodríguez, Trinidad; González Carvajal, Ramón; Pennisi, Salvatore; Gómez Galán, Juan Antonio (2011)We present a low-voltage low-power CMOS tunable transconductor exploiting body gain boosting to increase the small-signal ...
-
Artículo
±0.25-V Class-AB CMOS Capacitance Multiplier and Precision Rectifiers
Pourashraf, Shirin; Ramírez Angulo, Jaime; Hinojo Montero, José María; González Carvajal, Ramón; López Martín, Antonio J. (IEEE (Institute of Electrical and Electronics Engineers), 2019)Reduction of minimum supply requirements is a crucial aspect to decrease the power consumption in VLSI systems. A ...
-
Artículo
0.35-V SR-Enhanced Bulk-Driven OTA for Loads up to 10 nF
Ballo, Andrea; González Carvajal, Ramón; Grasso, Alfio Dario; Luján Martínez, Clara Isabel; Pennisi, Salvatore; Venezia, Chiara (IEEE, 2024-05-17)This study presents a low-voltage bulk-driven CMOS operational transconductance amplifier (OTA) operating in the subthreshold ...
-
Artículo
±0.3V Bulk-Driven Fully Differential Buffer with High Figures of Merit
Gangineni, Manaswini; Ramírez Angulo, Jaime; Vázquez Leal, Héctor; Huerta Chua, Jesús; López Martín, Antonio J.; González Carvajal, Ramón (MDPI, 2022-09)A high performance bulk-driven rail-to-rail fully differential buffer operating from ±0.3V supplies in 180 nm CMOS technology ...
-
Ponencia
1.5V Rail-to-rail programmable-gain CMOS amplifier
Ramírez Angulo, Jaime; López Martín, Antonio J.; González Carvajal, Ramón; Lackey, C. (IEEE (Institute of Electrical and Electronics Engineers), 2004)A 1.5V programmable-gain differential amplifier is implemented using a novel design technique for operating closed-loop ...
-
Artículo
A Highly Efficient Composite Class-AB-AB Miller Op-Amp With High Gain and Stable From 15 pF Up To Very Large Capacitive Loads
Pourashraf, Shirin; Ramírez Angulo, Jaime; López Martín, Antonio J.; González Carvajal, Ramón (IEEE (Institute of Electrical and Electronics Engineers), 2018)In this paper, a highly power-efficient class-AB–AB Miller op-amp is discussed. The structure uses gm enhancement based ...
-
Ponencia
A low-pass filter with automatic frequency tuning for a bluetooth receiver
Pedro, M.; Galán, J.; Sánchez Rodríguez, T.; Muñoz Chavero, Fernando; González Carvajal, Ramón; López Martín, A. (IEEE (Institute of Electrical and Electronics Engineers), 2011)A third-order Gm-C Chebyshev low-pass filter with high linearity and automatic frequency programmability has been designed. ...
-
Ponencia
A novel switched capacitor frequency tuning technique for continuous-time Gm-C filters
Sánchez Rodríguez, Trinidad; Muñoz Chavero, Fernando; Torralba Silgado, Antonio Jesús; González Carvajal, Ramón (2009)A novel approach for the automatic frequency tuning of Continuous Time Filters is presented. This approach is based on ...
-
Ponencia
A tunable floating-gate CMOS transconductor based on current multiplication
Algueta Miguel, José M.; López Martín, Antonio; Ramírez Angulo, Jaime; González Carvajal, Ramón (2009)In this paper a novel transconductor based on floating gate techniques that performs current multiplication for tuning ...
-
Ponencia
A very compact KHN filter with multidecade tuning
Muñiz Montero, Carlos; Díaz Sánchez, Alejandro; González Carvajal, Ramón (2007)A very compact implementation of a multifunction Kerwin Huelsman Newcomb (KHN) filter that can be frequency tuned almost ...
-
Ponencia
Accurate dynamic-feedback CMOS cross-quad suitable for low-voltage operation
Calvo, Belén; López Martín, Antonio; Ramírez Angulo, Jaime; González Carvajal, Ramón (2009)This paper presents the implementation of a crossquad circuit suitable for low-voltage operation. The proposed cell exploits ...
-
Artículo
AIoT in Agriculture: Safeguarding Crops from Pest and Disease Threats
Blanco-Carmona, Pedro; Baeza Moreno, Lucía; Hidalgo Fort, Eduardo; Martín Clemente, Rubén; González Carvajal, Ramón; Muñoz Chavero, Fernando (MDPI, 2023-12)A significant proportion of the world’s agricultural production is lost to pests and diseases. To mitigate this problem, ...
-
Artículo
An Amplified Offset Compensation Scheme and its Application in a Track and Hold Circuit.
Pourashraf, Shirin; Ramírez Angulo, Jaime; Cabrera Galicia, Alfonso R.; López Martín, Antonio J.; González Carvajal, Ramón (IEEE (Institute of Electrical and Electronics Engineers), 2018)This brief proposes a fully differential track and hold circuit using a new dc offset compensation scheme. It stores an ...
-
Ponencia
An analog CMOS universal membership function circuit with fully independent, adjustable parameters
González Carvajal, Ramón; Torralba Silgado, Antonio Jesús; Colodro Ruiz, Francisco; García Franquelo, Leopoldo (1997)A novel CMOS membership function circuit (MBC) is presented. It is based on a linear tunable transconductor proposed in ...
-
Artículo
An Enhanced Gain-Bandwidth Class-AB Miller op-amp with 23,800 MHz·pF/mW FOM, 11-16 Current Efficiency and Wide Range of Resistive and Capacitive Loads Driving Capability
Anindita, Paul; Ramírez Angulo, Jaime; Díaz Sánchez, Alejandro; López Martín, Antonio J.; González Carvajal, Ramón; X. Li, Frank (Institute of Electrical and Electronics Engineers Inc., 2021)A compact power-efficient class-AB Miller op-amp is introduced. It uses a simple auxiliary circuit that enhances the ...
-
Artículo
An Op-Amp Approach for Bandpass VGAs With Constant Bandwidth
Pourashraf, Shirin; Ramírez Angulo, Jaime; López Martín, Antonio J.; González Carvajal, Ramón; Algueta Miguel, José María (IEEE (Institute of Electrical and Electronics Engineers), 2018)Two approaches to implement variable gain amplifiers based on Miller op-amps are discussed. One has true constant bandwidth ...
-
Tesis Doctoral
Aportaciones al diseño de ADCs en tecnologías nanométricas y para entornos de alta radiación
Márquez Lasso, Fernando J. (2015-11-30)El trabajo presentado a lo largo de esta Tesis Doctoral está intrínsecamente relacionado con la evolución del diseño de ...
-
Tesis Doctoral
Aportaciones al diseño de circuitos para comunicaciones de baja tensión de alimentación y bajo consumo
Muñoz Chavero, Fernando (2002)Una de las líneas de investigación por el... En los últimos años los sistemas de comunicación han experimentado un avance ...
-
Ponencia
Automatic synthesis of analog fuzzy controllers
González Carvajal, Ramón; Torralba Silgado, Antonio Jesús; Colodro Ruiz, Francisco; García Franquelo, Leopoldo (1997)In this paper, a silicon compiler for analog fuzzy controllers is presented. The layout is automatically generated ...
-
Artículo
Battery-Less Industrial Wireless Monitoring and Control System for Improved Operational Efficiency
Hidalgo Fort, Eduardo; Gómez Galán, Juan Antonio; González Carvajal, Ramón; Sánchez Cárdenas, Pedro; Clemente Maya, Carlos (MDPI, 2023-03)An industrial wireless monitoring and control system, capable of supporting energy-harvesting devices through smart sensing ...