8-way Paralleled Power Amplifier for mm-Wave 5G Backhauling Networks

Moscato, Stefano; Oldoni, Matteo; Cannone, Giandomenico; Tresoldi, Dario; Pini, Alberto; Colzani, Alberto

doi:10.23919/eucap51087.2021.9411462

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Cited by 4 publications

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GaN/SiC V-band 10 W high-power amplifier for inter-satellite communications

Sivverini,

Meazza,

Traversa

et al. 2024

Int. J. Microw. Wireless Technol.

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This manuscript presents a millimeter-wave GaN high-power amplifier (HPA) intended for next generation inter-satellite links (ISLs). The proposed architecture achieves a fractional bandwidth wider than 18% in the V-band spectrum, to deliver a 10 Gbit/s throughput compatible with multi-thousand-km ISLs. Core of the HPA is the monolithic microwave integrated circuits (MMIC ) power amplifier which covers the whole 59–71 GHz band with high efficiency through innovative topologies and a cutting-edge gallium nitride on silicon carbide (GaN-on-SiC) process. The MMIC is then parallelized by means of a 1-to-8 splitter/combiner to obtain a V-band 10 W GaN HPA. Measurement results show a peak small-signal gain of 25.6 dB, 6.5% peak power-added efficiency, and a maximum P1dB of 40.3 dBm.

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