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dc.creator Río, Rocío del
dc.creator Rosa, José M. de la
dc.creator Pérez-Verdú, Belén
dc.creator Delgado-Restituto, Manuel
dc.creator Domínguez-Castro, R.
dc.creator Medeiro, Fernando
dc.creator Rodríguez-Vázquez, Ángel
dc.date 2008-04-25T05:32:02Z
dc.date 2008-04-25T05:32:02Z
dc.date 2008-01
dc.date.accessioned 2017-01-31T01:03:38Z
dc.date.available 2017-01-31T01:03:38Z
dc.identifier IEEE Transactions on Circuits and Systems I: Regular Papers 51(1): 47-62 (2004)
dc.identifier 1549-8328
dc.identifier http://hdl.handle.net/10261/3730
dc.identifier 10.1109/TCSI.2003.821308
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/3730
dc.description We present a 90-dB spurious-free dynamic range sigma–delta modulator (ΣΔM) for asymmetric digital subscriber line applications (both ADSL and ADSL+), with up to a 4.4-MS/s digital output rate. It uses a cascade (MASH) multibit architecture and has been implemented in a 2.5-V supply, 0.25μm CMOS process with metal–insulator–metal capacitors. The prototypes feature 78-dB dynamic range (DR) in the 30-kHz to 2.2-MHz band (ADSL+) and 85-dB DR in the 30-kHz to 1.1-MHz band (ADSL). Integral and differential nonlinearity are within +/-0.85 and +/-0.80 LSB, respectively. The ΣΔ modulator and its auxiliary blocks (clock phase and reference voltage generators, and I/O buffers) dissipate 65.8 mW. Only 55 mW are dissipated in the ΣΔ modulator.
dc.description This work was supported by the European Union under IST Project 29261/MIXMODEST and IST Project 2001-34283/TAMES-2 and the Spanish MCyT and the ERDF under Project TIC2001-0929/ADAVERE.
dc.description This work was supported by the European Union under IST Project 29261/MIXMODEST and IST Project 2001-34283/TAMES-2 and the Spanish MCyT and the ERDF under Project TIC2001-0929/ADAVERE.
dc.description Peer reviewed
dc.format 888235 bytes
dc.format application/pdf
dc.language eng
dc.publisher Institute of Electrical and Electronics Engineers
dc.relation http://dx.doi.org/10.1109/TCSI.2003.821308
dc.rights openAccess
dc.subject Analog-to-digital converters
dc.subject ADSL
dc.subject ΣΔ modulation
dc.subject Switched-capacitor circuits
dc.title Highly Linear 2,5-V CMOS ΣΔ Modulator for ADSL+
dc.type Artículo


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