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A wideband cellular RF receiver for multi-band carrier aggregation employing a current-efficient wideband low noise amplifier and a frequency-band switchable transformer is demonstrated in a 14nm FinFET CMOS technology. The proposed wideband low-noise amplifier can support multiple-channel RF signals for intra-band carrier aggregation with high performance and low DC current consumption. Moreover,...
This contribution presents a groundbreaking distributed matching/combining network that allows to develop ultra-broadband Doherty Power Amplifiers (DPAs). In 73% of fractional bandwidth, from 1.2 GHz to 2.6 GHz, input return loss lower than −18 dB is demonstrated with 1.82 resistance transformation ratio. The active load modulation capability is verified, resulting in a resistance modulation index...
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