Ponencia
A novel low-voltage reconfigurable ΣΔ modulator for 4G wireless receivers
Autor/es | Morgado García de la Polavieja, Alonso
Río Fernández, Rocío del Rosa Utrera, José Manuel de la |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2008 |
Fecha de depósito | 2018-07-13 |
Publicado en |
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Resumen | This paper presents a new adaptable cascade
ΣΔ
modulator architecture fo
r low-voltage multi-stan-
dard applications. It uses two reconfiguration strategies:
a programmable global resonation and a variable
loop-filter ... This paper presents a new adaptable cascade ΣΔ modulator architecture fo r low-voltage multi-stan- dard applications. It uses two reconfiguration strategies: a programmable global resonation and a variable loop-filter order. These techniques are properly com- bined in a novel topology that allows to increase the effec- tive resolution in a given bandwidth, whereas keeping relaxed output swing requirements and high robustness to mismatch and to non-linearities of the amplifiers. Time-domain simulations incl uding the main circuit-level non-idealities are shown to demonstrate the benefits of the presented modulator when it is configured to cope with the requirements of GSM, UMTS, WLAN and Wi-Max. |
Agencias financiadoras | Ministerio de Educación y Ciencia (MEC). España Junta de Andalucía |
Cita | Morgado García de la Polavieja, A., Río Fernández, R.d. y Rosa Utrera, J.M.d.l. (2008). A novel low-voltage reconfigurable ΣΔ modulator for 4G wireless receivers. En Conference on Design of Circuits and Integrated Systems, Grenoble (Francia) del 12 al 14 de noviembre de 2008. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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A Novel Low-Voltage.pdf | 558.6Kb | [PDF] | Ver/ | |