A second-order low power current-mode continuous-time sigma-delta modulator

A second-order low power current-mode continuous-time sigma-delta modulator

A fully differential second-order continuous-time sigma-delta modulator based on the nonlinear transconductance-capacitor (G m -C) is presented. The nonlinear transconductance is designed based on current-mode technique and it uses MOS transistors operating in subthreshold region. The proposed conve...

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Bibliographische Detailangaben
Hauptverfasser: Farshidi, E., Sayedi, S.M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Analog-digital conversion
Circuit simulation
Delta-sigma modulation
Energy consumption
Equations
Filters
Low voltage
MOSFETs
Transconductance
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Beschreibung
Zusammenfassung:A fully differential second-order continuous-time sigma-delta modulator based on the nonlinear transconductance-capacitor (G m -C) is presented. The nonlinear transconductance is designed based on current-mode technique and it uses MOS transistors operating in subthreshold region. The proposed converter that designed in 0.35 um CMOS process features low power consumption (
ISSN:2162-7541
2162-755X
DOI:10.1109/ICASIC.2007.4415625