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Algueta-Miguel, Jose M.

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https://academica-e.unavarra.es/handle/2454/48494

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Algueta-Miguel

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Jose M.

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Ingeniería Eléctrica, Electrónica y de Comunicación

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0000-0001-9323-4516

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8574

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20191
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Item Type: Publication × Subject: Current amplifiers ×

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    PublicationOpen Access
    Class AB amplifier with enhanced slew rate and GBW
    (John Wiley & Sons, 2019) Garde Luque, María Pilar; López Martín, Antonio; Algueta-Miguel, Jose M.; Ramírez-Angulo, Jaime; González Carvajal, Ramón; Ingeniería Eléctrica y Electrónica; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren
    The design of a micropower class AB operational transconductance amplifier with large dynamic current to quiescent current ratio is addressed. It is based on a compact and power-efficient adaptive biasing circuit and a class AB current follower using the Quasi-Floating Gate (QFG) technique. The amplifier has been designed and fabricated in a 0.5 um CMOS process. Simulation and measurement results show a slew rate (SR) improvement factor versus the class A version larger than 4 for the same supply voltage and bias currents, as well as enhanced small-signal performance.