Figure 1 from A WCDMA/WLAN digital polar transmitter with AM replica feedback linearization in 65nm CMOS | Semantic Scholar
Energy-Efficient Digital Front-End Processor for 60 GHz Polar Transmitter | SpringerLink
1/42 Changkun Park Title Dual mode RF CMOS Power Amplifier with transformer for polar transmitters March. 26, 2007 Changkun Park Wave Embedded Integrated. - ppt download