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Listar por autor "López Martín, Antonio J."
Mostrando ítems 1-11 de 11
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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Artículo
CMOS First-Order All-Pass Filter With 2-Hz Pole Frequency
Paul, Anindita; Ramírez Angulo, Jaime; López Martín, Antonio J.; González Carvajal, Ramón (IEEE (Institute of Electrical and Electronics Engineers), 2018)A CMOS fully integrated all-pass filter with an extremely low pole frequency of 2 Hz is introduced in this paper. It has ...
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Artículo
High current efficiency classAB OTA with high open loop gain and enhanced bandwidth
Pourashraf, Shirin; Ramírez Angulo, Jaime; Román Loera, Alejandro; López Martín, Antonio J.; Díaz Sánchez, Alejandro; González Carvajal, Ramón (IEICE, 2017)An efficient class-AB OTA with enhanced output current, slew rate, open loop gain, and gain bandwidth is presented. The ...
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Artículo
Subsampling OFDM-Based Ultrasonic Data Communication Through Metallic Channels for Monitoring of Cargo Containers
García-Oya, José Ramón; Algueta-Miguel, Jose M.; García Doblado, José; Muñoz Chavero, Fernando; Hidalgo Fort, Eduardo; Baena Lecuyer, Vicente; López Martín, Antonio J. (Institute of Electrical and Electronics Engineers (IEEE), 2019-11)An enhanced ultrasonic communication system based on piezoelectric transducers for monitoring of goods in cargo containers ...
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Artículo
Super-Gain-Boosted AB-AB Fully Differential Miller Op-Amp With 156dB Open-Loop Gain and 174MV/V MHZ pF/µW Figure of Merit in 130nm CMOS Technology
Paul, Anindita; Ramírez Angulo, Jaime; Díaz Sánchez, Alejandro; López Martín, Antonio J.; González Carvajal, Ramón; X. Li, Frank (Institute of Electrical and Electronics Engineers Inc., 2021-04-12)A fully differential Miller op-amp with a composite input stage using resistive local common-mode feedback and regulated ...