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- W2882674196 abstract "This contribution is about a two stage power amplifier (PA) in hybrid microwave integrated circuit (MIC) technology covering the extended Ku-band uplink (13.75–14.5 GHz) for satellite communication. A high relative permittivity alumina substrate and a 250 nm GaN bare-die technology have been chosen to realize the matching circuits of the amplifier. A systematic design approach using simulation-based multi-frequency source- and load-pull analyses in order to find optimum load and source impedances for maximum output power was applied for the proposed PA. The measured output power is about 14 W for a continuous wave (CW) signal with a PAE of more than 22% in the frequency range of interest. Additionally, modulated measurements including a modern pre-distortion technique state an average output power of 12 W and a peak power of about 22 W achieving a PAE of 20% using a 8PSK signal." @default.
- W2882674196 created "2018-07-19" @default.
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- W2882674196 date "2018-05-01" @default.
- W2882674196 modified "2023-10-03" @default.
- W2882674196 title "A hybrid two stage 20-W GaN HEMT Ku-band power amplifier for very small aperture terminals" @default.
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- W2882674196 doi "https://doi.org/10.23919/mikon.2018.8404993" @default.
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