Switching capacitor - analogous to that of - digital - converter in a very high dynamic range with high input impedance for applications, the increased distortion and noise in the case of a high input levels tolerate

摘要

A modulator (102) is configured, in order to react to the input strokes, in that a feedback voltage via a feedback path (106) is provided to an increase in the noise - and distortion output with increasing signal power at signal levels, which exceed a predetermined threshold, to adversely affect. A digital - analogous to that of - converter (106) generates a feedback voltage with a resistor chain, which is biased with a given current, and switches as a function of an input value, in order to the voltage swing in the case of an adder node (108) for attenuating.