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Listar por autor "Pourashraf, Shirin"
Mostrando ítems 1-5 de 5
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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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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 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
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 ...