R. Giofré, P. Colantonio, F. Giannini, L. González, L. Cabrìa, F. De Arriba
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引用次数: 0
摘要
在本文中，我们报告了一个完整的SSPA工程模型的初步结果，该模型是为伽利略卫星系统(E1波段，1575.42 MHz)开发的，基于UMS GaN (GH50-10)技术。SSPA还包括卫星接口(例如，内部电源发电单元，遥测和远程指挥功能)，测量结果显示输出功率大于目标230W, PAE大于40%。此外，测量到的频率稳定性非常好，在50MHz带宽下的增益纹波小于0.5 dB，在10mhz带宽下的增益纹波小于0.2 dBpp。
Development of solid state power amplifier on GaN technology for Galileo satellite systems
In this paper, we report the preliminary results of an Engineering Model of a complete SSPA, developed for Galileo satellite system (E1 band, 1575.42 MHz), and based on UMS GaN (GH50-10) technology. The SSPA includes also satellite interfaces (e.g., internal power supply generation unit, telemetry and telecommand functionalities) and measured results show an output power larger than the targeted 230W, with a PAE greater than 40%. Moreover, a very good stability in frequency was measured, with a gain ripple lower than 0.5 dB in 50MHz of bandwidth, and less than 0.2 dBpp in 10 MHz.
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