Ponencia
Rail-to-rail class AB CMOS tunable transconductor with -52dB IM3 at 1MHz
Autor/es | Acosta Cabanillas, Lucía
López Martín, Antonio González Carvajal, Ramón Ramírez Angulo, Jaime |
Departamento | Universidad de Sevilla. Departamento de Ingeniería Electrónica |
Fecha de publicación | 2009 |
Fecha de depósito | 2015-03-12 |
Publicado en |
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Resumen | 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 ... 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. |
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