Figure 1

The AM-AM and AM-PM characteristics of PA models used in this work. The reference envelope level Amax is chosen as 1.0. For the Rapp model, the parameter p is chosen as 3.0.
The AM-AM and AM-PM characteristics of PA models used in this work. The reference envelope level Amax is chosen as 1.0. For the Rapp model, the parameter p is chosen as 3.0.