| 摘要 |
The invention concerns an electronic circuit comprising a sigma-delta modulator and a power amplifier connected downstream thereof, wherein there is provided a feedback circuit ( 207 ) which is coupled between an output of the sigma-delta modulator and an input of the sigma-delta modulator and which includes an emulation of the signal path between the output of the sigma-delta modulator and the output of a power amplifier ( 107 ) connected downstream of said sigma-delta modulator.
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