Infineon Technologies Ag

Susana Paton

Andreas Wiesbauer

Luis Hernandez

Antonio Di Giandomenico

Martin Clara

David San Segundo Bello

Manuel Sanchez-Renedo

Sigma-delta modulators and a method of modulating are disclosed in which a first sigma-delta modulator having a first quantizer is provided, and a second quantizer is also provided. At least a first node of the first sigma-delta modulator upstream of the first quantizer and a second node of the first sigma-delta modulator upstream of the first quantizer to the second quantizer are coupled together.

Sigma-delta modulators

A loop filter for a continuous time sigma delta analog to digital converter which converts an analog input signal into a digital output signal, said loop filter comprising an active analog filter which includes active devices for providing a power gain, wherein the number of active devices is lower than the filter order of said active analog filter.

Loop filter for a continuous time sigma delta analog to digital converter

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Madrid, Spain

Susana Paton