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Ponencia
A fourth-order bandpass ΣΔ modulator using current-mode analog/digital circuits
Autor/es | Rosa Utrera, José Manuel de la
Pérez Verdú, Belén Medeiro Hidalgo, Fernando Rodríguez Vázquez, Ángel Benito |
Departamento | Universidad de Sevilla. Departamento de Electrónica y Electromagnetismo |
Fecha de publicación | 1996 |
Fecha de depósito | 2019-10-01 |
Publicado en |
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ISBN/ISSN | 0-7803-3312-8 |
Resumen | We present a fourth-order bandpass ΣΔ switched-current modulator IC in 0.8 μm CMOS single-poly technology. Its architecture is obtained by applying a lowpass to bandpass transformation (z-1 →-z-2) to a second-order lowpass ... We present a fourth-order bandpass ΣΔ switched-current modulator IC in 0.8 μm CMOS single-poly technology. Its architecture is obtained by applying a lowpass to bandpass transformation (z-1 →-z-2) to a second-order lowpass modulator. It has been realized using fully-differential circuitry with common-mode feedback. Measurements show 8 bit dynamic range up to 5 MHz clock frequency and 10 KHz bandwidth. |
Cita | Rosa Utrera, J.M.d.l., Pérez Verdú, B., Medeiro Hidalgo, F. y Rodríguez Vázquez, Á.B. (1996). A fourth-order bandpass ΣΔ modulator using current-mode analog/digital circuits. En IEEE Instrumentation and Measurement Technical Conference (1145-1150), Bruselas, Bélgica: Institute of Electrical and Electronics Engineers. |
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