A 74dB Dynamic Range, 1.1-MHz Signal Band 4th-Order 2-1-1 Cascade Multi-Bit CMOS ΣΔ Modulator for ADSL

Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/3597

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Título:	A 74dB Dynamic Range, 1.1-MHz Signal Band 4th-Order 2-1-1 Cascade Multi-Bit CMOS ΣΔ Modulator for ADSL
Autor:	Medeiro, Fernando CSIC; Pérez-Verdú, Belén CSIC; Rodríguez-Vázquez, Ángel CSIC ORCID
Palabras clave:	ΣΔ Modulator A/D Conversion CMOS A/D Converter
Fecha de publicación:	sep-1997
Citación:	European Solid-State Circuits Conference (ESSCIRC’97), pp. 72-75, Southampton - UK, September 16-18, 1997.
Resumen:	This paper explores the use of ΣΔ techniques for A/D conversion exceeding 1-MHz signal bandwidth. A cascade modulator architecture is proposed which combines single-bit and multi-bit quantization to obtain more than 12-b Dynamic Range (DR) with an oversampling ratio of only 16, and with neither calibration nor trimming required. Measurements from a 0.7mm CMOS prototype show 74dB DR in 1.1-MHz signal band at 35.7-MHz clock rate, with a power consumption of 55mW from a 5-V supply.
URI:	http://hdl.handle.net/10261/3597
Aparece en las colecciones:	(IMSE-CNM) Comunicaciones congresos