Ka-Band GaN-on-SiC MMIC Balanced High Power Amplifier for NASA's Lunar Missions

被引:0
|
作者
Simons, Rainee N. [1 ]
Downey, Joseph A. [1 ]
Piasecki, Marie T. [1 ]
Schoenholz, Bryan L. [1 ]
机构
[1] NASA, Glenn Res Ctr, MS 54-1,21000 Brookpk Rd, Cleveland, OH 44135 USA
关键词
D O I
10.23919/USNC-URSI54200.2023.10289477
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The feasibility of Ka-band GaN-on-SiC MMIC based balanced power amplifier for science data downlinks from NASA's lunar mission assets in space is investigated. The balanced amplifier combines the RF output power from two power amplifiers using a rectangular waveguide based 3-dB hybrid coupler. The investigation includes characterizing the balanced amplifier for the overall RF output power, Gain, power added efficiency, RMS error vector magnitude for offset-QPSK, 8PSK, 16APSK, and 32APSK waveforms, 3rd order intermodulation products, and noise figure. The balanced amplifier has high output RF power and good linearity and can support high data rate downlinks from the surface and vicinity of the Moon to Earth.
引用
收藏
页码:69 / 70
页数:2
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