| 摘要 |
There are disclosed various methods and apparatuses for providing power to a power amplifier. In some embodiments the method comprises producing a first reference signal having a level above a target signal, and producing a second reference signal having a level below the target signal. A positive supply voltage that tracks the first reference signal and a negative supply voltage that tracks the second reference signal are provided to a driver. A signal corresponding to the target signal is supplied from the driver to a power amplifier. In some embodiments the apparatus comprises means for implementing the method. |
