Interleaved Pipelined Binary Search A/d Converter

The present invention is related to a pipelined analog-to-digital converter, ADC, for converting an analog input signal into a digital signal comprising - a plurality of comparing means having tuneable thresholds for comparing an input signal with; at least two of said given thresholds being different and - a plurality of amplifying circuits, - wherein said plurality of comparing means is configured to form a hierarchical tree structure, said hierarchical tree structure having a plurality of hierarchical levels, wherein at least one of said hierarchical levels is associated with at least one amplifying circuit of said plurality of amplifying circuits, said at least one amplifying circuit generating the input of at least one comparing means at the next hierarchical level and - wherein said plurality of hierarchical levels comprises means for setting said tuneable thresholds in accordance to the output of previous hierarchical level so that non-linear distortion of the preceding hierarchical level is removed.

Attached files:
WO 2011003978.jpg

WO 2,011,003,978


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