RF microwave technology in PCB The text reviews key technology trends from 2014, highlighting significant developments in 5G research and prototyping, which gained momentum alongside the expanding 4G rollout, particularly in China where demand for components was strong. In the RF marketplace, CMOS technology continued to advance with innovations such as single-chip RF front ends for 4G handsets and integrated mmWave AESA chips. Despite CMOS and GaN gaining market share, GaAs remains prominent due to its flexibility and established manufacturing infrastructure. Additionally, envelope tracking technology emerged as a MIPI standard, focusing on the development of more efficient amplifiers.
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