CMOS or GaAs for 3G handset PAs?
Keywords: CMOS GaAs power amplifier 3G handset
[Summary of tips] 3G power amplifiers (PA) have a challenging requirement of keeping linearity while delivering over a watt of peak power at frequencies up to 2GHz. Today's suppliers of 3G PAs utilise various forms of the process technology gallium arsenide (GaAs) to meet the stringent frequency and voltage swing requirements of the cellular PA.......|
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