| 摘要 |
The invention relates to a mobile radiotelephony device and to a method for operating a mobile radiotelephony device. Said device comprises a power amplifier (1), this power amplifier (1) having at least one input for a control signal (8), at least one input for a supply voltage (7.X) and at least one output for an output signal (13). The invention is characterised in that at least one device (4, 5, 6) for the continuous direct or indirect determination of the level of the control signal (8) of the power amplifier (1) and at least one rapidly controllable switching controller (3) for continuously adapting the necessary supply voltage (7.1) to the level are provided. |
