Gallium Nitride Power Amplifiers for Ka-Band Satcom Applications: Requirements, Trends, and the Way Forward

Giofrè, Rocco; Piacibello, Anna; Colantonio, Paolo; Camarchia, Vittorio

doi:10.1109/mmm.2023.3314321

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2024

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Cited by 3 publications

References 31 publications

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A Novel Sideband Gain Suppression High-Efficiency Power Amplifier MMIC in Ka-Band

Jin,

Yang,

Tao

et al. 2024

2024 IEEE MTT-S International Wireless Symposium (IWS)

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A Novel Sideband Gain Suppression High-Efficiency Power Amplifier MMIC in Ka-Band

Jin,

Yang,

Tao

et al. 2024

2024 IEEE MTT-S International Wireless Symposium (IWS)

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High-Gain and High-Linearity MMIC GaN Doherty Power Amplifier With 3-GHz Bandwidth for Ka-Band Satellite Communications

Piacibello,

Quaglia,

Giofrè

et al. 2024

IEEE Microw. Wireless Tech. Lett.

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This letter presents the design of a Doherty power amplifier (DPA) for satellite applications in the K a-band downlink (17.3-20.3 GHz) implemented on a 100-nm GaN-Si HEMT technology. The design aims to achieve high gain and very high intrinsic linearity over a wide bandwidth of 3 GHz. The experimental characterization on the fabricated chip demonstrates that the DPA can maintain a noise-to-power ratio (NPR) higher than 25 dB and power-added efficiency (PAE) of 30% while providing 36 dBm of output power, when tested with a 100-MHz uniformly distributed signal, achieving state-of-the-art performance among the integrated power amplifiers for satellite communications.

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Navigating Challenges in Doherty Power Amplifier Design for Millimeter-Wave Frequencies

Piacibello,

Camarchia

2024

2024 19th European Microwave Integrated Circuits Conference (EuMIC)

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Gallium Nitride Power Amplifiers for Ka-Band Satcom Applications: Requirements, Trends, and the Way Forward

Cited by 3 publications

References 31 publications

A Novel Sideband Gain Suppression High-Efficiency Power Amplifier MMIC in Ka-Band

A Novel Sideband Gain Suppression High-Efficiency Power Amplifier MMIC in Ka-Band

High-Gain and High-Linearity MMIC GaN Doherty Power Amplifier With 3-GHz Bandwidth for Ka-Band Satellite Communications

Navigating Challenges in Doherty Power Amplifier Design for Millimeter-Wave Frequencies

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