Referring to the baseband processor 64, the DPD 44 generates a digital pre-distortion signal that in turn drives an RF generator 68. A modulated RF signal generated by the RF signal generator 68 drives the input of the RF amplifier 12. The amplified RF signal at the output of the RF amplifier 12 is tapped to provide RF feedback for the DPD 44. In the exemplary embodiment of FIG. 7, the tapped RF signal is the output signal, v_out(t), which is converted to a baseband feedback signal by the RF to baseband converter 48. The baseband feedback signal is feedback for the digital pre-distorter 44.

It is contemplated that any of the foregoing aspects, and/or various separate aspects and features as described herein, may be combined for additional advantage. Any of the various embodiments as disclosed herein may be combined with one or more other disclosed embodiments unless indicated to the contrary herein.

Those skilled in the art will recognize improvements and modifications to the preferred embodiments of the present disclosure. All such improvements and modifications are considered within the scope of the concepts disclosed herein and the claims that follow.