Development and environmental evaluation of 10- W class-F power amplifier for microwave-discharge ion thruster on satellites

Kondo, Takashi; Fujiwara, Kohei; Yaginuma, Kazuya; Mizojiri, Sei; Hara, Shinji; Tanba, Noriyuki

doi:10.1109/apmc57107.2023.10439805

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2024

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Cited by 2 publications

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Development of a 10-W-Class Microwave Power Source Based on a Dielectric Resonator Oscillator and Class-F Power Amplifier for a Microwave-Discharge Ion Thruster on LEO-Satellites

Fujiwara,

Kondo,

Yaginuma

et al. 2024

2024 25th International Microwave and Radar Conference (MIKON)

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Development of a 10-W-Class Microwave Power Source Based on a Dielectric Resonator Oscillator and Class-F Power Amplifier for a Microwave-Discharge Ion Thruster on LEO-Satellites

Fujiwara,

Kondo,

Yaginuma

et al. 2024

2024 25th International Microwave and Radar Conference (MIKON)

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Internally Harmonic Matched Compact GaN Power Amplifier with 78.5% PAE for 2.45 GHz Wireless Power Transfer Systems

Li,

Zhang,

Pei

et al. 2024

Micromachines

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In this paper, a high-efficiency compact power amplifier is designed and fabricated with a 0.25 μm GaN high electron mobility transistor (HEMT) to meet the demands of a high integration level and high efficiency for microwave wireless power transfer (WPT) systems. The proposed power amplifier (PA) is implemented using an internally matched method to achieve a compact circuit size. The output second and third harmonic impedances can be optimized through output matching circuits, eliminating the need for additional harmonic matching networks. This approach simplifies the design of matching circuits and reduces the circuit size. Furthermore, the input third harmonic has been controled for improving the efficiency of DC-to-RF conversion. The total size of the proposed PA is 13.4 × 13.5 mm2. The test results obtained from the continuous wave (CW) testing indicate that the output power of the power amplifier at 2.45 GHz reaches 43.75 dBm. Additionally, the large-signal gain is measured at 15.75 dB, and the power-added efficiency (PAE) achieves a value of 78.5%.

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Development and environmental evaluation of 10- W class-F power amplifier for microwave-discharge ion thruster on satellites

Cited by 2 publications

References 3 publications

Development of a 10-W-Class Microwave Power Source Based on a Dielectric Resonator Oscillator and Class-F Power Amplifier for a Microwave-Discharge Ion Thruster on LEO-Satellites

Development of a 10-W-Class Microwave Power Source Based on a Dielectric Resonator Oscillator and Class-F Power Amplifier for a Microwave-Discharge Ion Thruster on LEO-Satellites

Internally Harmonic Matched Compact GaN Power Amplifier with 78.5% PAE for 2.45 GHz Wireless Power Transfer Systems

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