A Design of CMOS Class-E Power Amplifier with Phase Correction for Envelope Elimination and Restoration (EER)/Polar Systems

作者：Tsou Wen An^*; Wuen Wen Shen; Wen Kuei Ann

来源：IEICE - Transactions on Electronics, 2010, E93C(1): 128-131.

DOI：10.1587/transele.E93.C.128

• envelope elimination and restoration (EER)
• polar system
• class-E power amplifier
• orthogonal frequency division multiplexing (OFDM)

A circuit technique to correct V-dd/PM distortion and improve efficiency as supply modulation of cascode class-E PAs has been proposed. The experimental result shows that the phase distortion can be improved from 20 degrees to 5 degrees. Moreover, a system co-simulation result demonstrated that the EVM can be improved from -17 dB to -19 dB.

• 出版日期2010-1