| 摘要 |
The disclosure relates to an amplifier comprising a digital delta-sigma modulator, a quantifier receiving a signal supplied by a delta-sigma stage and supplying a quantified signal, and a power circuit supplying an output signal. The device comprises N state loops of a first type configured to send the output signal to adders of N delta-sigma stages of lower rank, each state loop of the first type comprising an analog low-pass filter for supplying a filtered output signal, and an analog to digital converter for supplying a digital filtered output signal.
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