SIGMA-DELTA MODULATORS SHAPE QUANTIZATION NOISE DIGITAl 一 FILTER igure 3. 10 SECOND-ORDER SIGMA-DELTA ADC ))1 Figure 3.11 and the amount of over-sampling necessary to achieve a particular SNR odulator Figure 3.12 shows the relationship between the order of the Sigma-Delta9 SIGMA-DELTA MODULATORS SHAPE QUANTIZATION NOISE Figure 3.10 SECOND-ORDER SIGMA-DELTA ADC Figure 3.11 Figure 3.12 shows the relationship between the order of the Sigma-Delta modulator and the amount of over-sampling necessary to achieve a particular SNR