Name : 2011 ITE Winter Annual Convention
Location : [in Japanese]
Date : December 21, 2011 - December 22, 2011
To compensate for memory effect of the Doherty amplifier, Volterra-based adaptive digital pre-distorter was implemented in a multi-million gate FPGA. Experimental validation carried out using a 400W and 10kW-Doherty amplifier, driving with ISDB-T signal, showed excellent linearization capability by achieving an IM of better than -50dB.