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Jaime Ramírez-Angulo, Anindita Paul, Manaswini Gangineni, Jose Maria Hinojo-Montero and Jesús Huerta-Chua
The application of the flipped voltage follower to implement two high-performance circuits is presented: (1) The first is a class AB cascode flipped voltage follower that shows an improved slew rate and an improved bandwidth by very large factors and tha...
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Jaime Ramirez-Angulo, Alejandra Diaz-Armendariz, Jesus E. Molinar-Solis, Alejandro Diaz-Sanchez and Jesus Huerta-Chua
A comparative study of one-stage-amp performance improvement based on simulations in 22 nm, 45 nm, 90 nm, and 180 nm in deep submicrometer CMOS technologies is discussed. Generic SPICE models were used to simulate the circuits. It is shown that in all ca...
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Anindita Paul, Jaime Ramirez-Angulo, Héctor Vázquez-Leal, Jesús Huerta-Chua and Alejandro Diaz-Sanchez
A highly power-efficient, fully differential Miller op-amp with accurately controlled output quiescent current is introduced. The op-amp can drive both capacitive and resistive load due to the presence of the auxiliary amplifier. This amplifier helps to ...
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Manaswini Gangineni, Jaime Ramirez-Angulo, Héctor Vázquez-Leal, Jesús Huerta-Chua, Antonio J. Lopez-Martin and Ramon Gonzalez Carvajal
A high performance bulk-driven rail-to-rail fully differential buffer operating from ±0.3V supplies in 180 nm CMOS technology is reported. It has a differential?difference input stage and common mode feedback circuits implemented with no-tail, high CMRR ...
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Anindita Paul, Mario Renteria-Pinon, Jaime Ramirez-Angulo, Ricardo Bolaños-Pérez, Héctor Vázquez-Leal, Jesús Huerta-Chua and Alejandro Diaz-Sánchez
An approach to implement single-ended power-efficient static class-AB Miller op-amps with symmetrical and significantly enhanced slew-rate and accurately controlled output quiescent current is introduced. The proposed op-amp can drive a wide range of res...
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Antonio Lopez-Martin, Maria Pilar Garde, Jose M. Algueta-Miguel, Javier Beloso-Legarra, Ramon G. Carvajal and Jaime Ramirez-Angulo
Energy efficiency is a key requirement in the design of amplifiers for modern wireless applications. The use of quasi-floating gate (QFG) transistors is a very convenient approach to achieve such energy efficiency. We illustrate different QFG circuit des...
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