Artículo
Low-voltage CMOS log-companding techniques for audio applications
Autor/es | Serra Graells, Francesc
Rueda Rueda, Adoración Huertas Díaz, José Luis |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2004 |
Fecha de depósito | 2018-06-13 |
Publicado en |
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Resumen | This paper presents a collection of novel current-mode circuit techniques for the integration of very low-voltage (down to 1 V) low-power (few hundreds of μA) complete SoCs in CMOS technologies. The new design proposal is ... This paper presents a collection of novel current-mode circuit techniques for the integration of very low-voltage (down to 1 V) low-power (few hundreds of μA) complete SoCs in CMOS technologies. The new design proposal is based on both, the Log Companding theory and the MOSFET operating in subthreshold. Several basic building blocks for audio amplification, AGC and arbitrary filtering are given. The feasibility of the proposed CMOS circuits is illustrated through experimental data for different design case studies in 1.2 and 0.35 μm VLSI technologies. |
Agencias financiadoras | Comisión Interministerial de Ciencia y Tecnología (CICYT). España European Union (UE) |
Identificador del proyecto | TIC97-1159
TIC99- 1084 ESPRIT-FUSE-23068 |
Cita | Serra Graells, F., Rueda Rueda, A. y Huertas Díaz, J.L. (2004). Low-voltage CMOS log-companding techniques for audio applications. Analog Integrated Circuits and Signal Processing, 38 (2), 121-135. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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Low Voltage CMOS Log Companding.pdf | 555.2Kb | [PDF] | Ver/ | |