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As the trend to system-on-chip solutions gradually consolidates, including an ever-increasing usage of digital signal processing, a concurrent enhancement of the analog front-end performance is required. Moreover, such enhanced performances must be achieved under the constraints imposed by digitally driven technology roadmaps, with low-voltage supplies, poor-performance (and often badly characterized) devices ... and above all the unavoidable presence of noisy digital circuits. It is under the pressure of these challenges that analog designers must sharpen their wits to overcome the problems....

As the trend to system-on-chip solutions gradually consolidates, including an ever-increasing usage of digital signal processing, a concurrent enhancement of the analog front-end performance is required. Moreover, such enhanced performances must be achieved under the constraints imposed by digitally driven technology roadmaps, with low-voltage supplies, poor-performance (and often badly characterized) devices ... and above all the unavoidable presence of noisy digital circuits. It is under the pressure of these challenges that analog designers must sharpen their wits to overcome the problems....

The interest for: I: modulation-based NO converters has significantly increased in the last years. The reason for that is twofold. On the one hand, unlike other converters that need accurate building blocks to obtain high res- olution: I: converters show low sensitivity to the imperfections of their building blocks. This is achieved through extensive use of digital signal pro- cessing - a desirable feature regarding the implementation of NO interfaces in mainstream CMOS technologies which are better suited for implementing fast, dense, digital circuits than accurate analog circuits. On the...

The interest for: I: modulation-based NO converters has significantly increased in the last years. The reason for that is twofold. On the one hand, unlike other converters that need accurate building blocks to obtain high res olution: I: converters show low sensitivity to the imperfections of their building blocks. This is achieved through extensive use of digital signal pro cessing - a desirable feature regarding the implementation of NO interfaces in mainstream CMOS technologies which are better suited for implementing fast, dense, digital circuits than accurate analog circuits. On the...