Amping Up the PA for 5G: Efficient GaN Power Amplifiers with Dynamic Supplies

descriptionPublicationkeyboard_double_arrow_right Article 01 May 2017Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Microwave Magazine, volume 18, pages 137-149 (issn: 1527-3342,

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Authors: Zoya Popovic;

doi: 10.1109/mmm.2017.2664018

Amping Up the PA for 5G: Efficient GaN Power Amplifiers with Dynamic Supplies

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Abstract

Signals designed for high-capacity communications result in high peak-to-average ratio (PAR) waveforms that the transmitter power amplifier (PA) must amplify with low distortion. With emerging fifth-generation (5G) wireless systems, carrier frequencies and signal bandwidths are expected to increase significantly from the current S- and C-band allocations. All these factors are contributing to the increasingly challenging goals of maintaining transmitter PA efficiency for the following reasons.

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