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High Order Cascade Multibit ΣΔ Modulator for Wide Bandwidth Applications
behavioural study DAC nonlinearity DEM VHDL-AMS modelling
2010/2/2
A wideband 2-1-1 cascaded ΣΔ modulator with a
single-bit quantizer in the two first stages and a 4-bit quantizer in the
final stage is developed. To reduce sensitivity of digital-to-analog
converte...