We discuss the development of a balanced GaN ET PA with optimised peak power and efficiency over 720 MHz to 960 MHz. The design was enabled by a wideband second harmonic control. The PA achieved performance delivers greater than 60% average efficiency across band at 80 W average power supporting multi-standard operation with both 2 channel WCDMA and 10 MHz LTE signals. The overall system efficiency including the ET modulator is 50% or greater with a target −50 dBc ACR across the entire bandwidth.
A 80 W broadband GaN HEMT envelope tracking PA harmonically tuned for WCDMA and LTE with 50% average efficiency / Niccolo Giovannelli;Alessandro Cidronali;Massimiliano Mercanti;Robin Hernaman;Gerard Wimpenny;Gianfranco Manes. - ELETTRONICO. - (2012), pp. 1-3. (Intervento presentato al convegno 2012 IEEE/MTT-S International Microwave Symposium Digest) [10.1109/MWSYM.2012.6259584].
A 80 W broadband GaN HEMT envelope tracking PA harmonically tuned for WCDMA and LTE with 50% average efficiency
CIDRONALI, ALESSANDRO
Membro del Collaboration Group
;MANES, GIANFRANCO
2012
Abstract
We discuss the development of a balanced GaN ET PA with optimised peak power and efficiency over 720 MHz to 960 MHz. The design was enabled by a wideband second harmonic control. The PA achieved performance delivers greater than 60% average efficiency across band at 80 W average power supporting multi-standard operation with both 2 channel WCDMA and 10 MHz LTE signals. The overall system efficiency including the ET modulator is 50% or greater with a target −50 dBc ACR across the entire bandwidth.
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