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Rail-to-rail class AB CMOS tunable transconductor with -52dB IM3 at 1MHz

 

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Opened Access Rail-to-rail class AB CMOS tunable transconductor with -52dB IM3 at 1MHz
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Author: Acosta Cabanillas, Lucía
López Martín, Antonio
González Carvajal, Ramón
Ramírez Angulo, Jaime
Department: Universidad de Sevilla. Departamento de Ingeniería Electrónica
Date: 2009
Published in: XXIV Conference on Design of Circuits and Integrated Systems: Zaragoza, 18-20 de noviembre 2009
Document type: Presentation
Abstract: A novel CMOS tunable transconductor is presented. The circuit operates in classAB hence featuring power efficiency. The internal feedback employed and the use of a linearized triode transistor for voltage-to-current conversion allows achieving high linearity. Rail-to-rail input range is obtained by using floatinggate transistors. Measurement results for a test chip prototype in a 0.5µm standard CMOS process show an IM3 of -52.13dB at 1MHz for a 2Vpp input and a power consumption of 2.2mW.
Size: 189.4Kb
Format: PDF

URI: http://hdl.handle.net/11441/23448

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