Ponencia
Analysis of Clock Jitter Error in Multibit Continuous-Time ΣΔ modulators with NRZ Feedback Waveform
Autor/es | Tortosa Navas, Ramón
Rosa Utrera, José Manuel de la Rodríguez Vázquez, Ángel Benito Fernández Fernández, Francisco Vidal |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 2005 |
Fecha de depósito | 2019-08-30 |
Publicado en |
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Resumen | This paper presents a detailed study of the clock jitter error in multibit continuous-time ΣΔ modulators with non-return-to-zero feedback waveform. Closed-form expressions are derived for the in-band error power and the ... This paper presents a detailed study of the clock jitter error in multibit continuous-time ΣΔ modulators with non-return-to-zero feedback waveform. Closed-form expressions are derived for the in-band error power and the signal-to-noise ratio showing that the jitter-induced noise can be separated into two main components: one depending on the modulator loop filter and the other one due to the input signal. The latter, not considered in previous approaches, allows us to accurately predict the signal-to-noise ratio degradation and to optimize the modulator performance in terms of jitter insensitivity. Moreover, the use of state-space formulation makes the analysis quite general and applicable to either cascaded or single-loop architectures. Time-domain simulations of several modulators are shown to validate the presented approach. |
Identificador del proyecto | TEC2004-01752/MIC |
Cita | Tortosa Navas, R., Rosa Utrera, J.M.d.l., Rodríguez Vázquez, Á.B. y Fernández Fernández, F.V. (2005). Analysis of Clock Jitter Error in Multibit Continuous-Time ΣΔ modulators with NRZ Feedback Waveform. En Proceeding of the 2005 International Symposium on Circuits and Systems (ISCAS) (3103-3106), Kobe, Japón: Institute of Electrical and Electronics Engineers. |
Ficheros | Tamaño | Formato | Ver | Descripción |
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ANALYSIS OF CLOCK JITTER ERROR.pdf | 261.0Kb | [PDF] | Ver/ | |