Characterization of a COTS-Based RF Receiver for Cubesat Applications

被引:5
|
作者
Lovascio, Antonio [1 ]
D'Orazio, Antonella [1 ]
Centonze, Vito [2 ]
机构
[1] Politecn Bari, Dipartimento Ingn Elettr & Informaz, 4 E Orabona St, I-70125 Bari, Italy
[2] Sitael SpA, Space Instrument & Avion Div, 21 San Sabino St, I-70042 Mola Di Bari, Italy
关键词
COTS; cubesat; radiation test; receiver; RF; satellite;
D O I
10.3390/s20030776
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
This paper reports the experimental results of a test campaign performed on the radio-frequency (RF) receiver prototype operating at a 2025-2110 MHz frequency range, designed and fabricated for CubeSat applications. The prototype has been tested through a board-level test approach for the verification of the functional requirements and a component-level one for specific characterization measures. The tests have shown the following results: a -115--70 dBm sensitivity range, 390 MHz intermediate frequency, a 0 dBm output power level with +/- 1 dB error, a 2.34 dB noise figure, and a 4.86 W power absorption. Such results have been largely achieved implementing an automatic gain control system by cascading two Commercial Off-The-Shelf (COTS) amplifiers. Moreover, an innovative technique based on RF test points has been successfully experimented and validated to measure the S-parameters of a custom low-pass filter integrated on the receiver, showing the possibility of even characterizing the single COTS components exposed to radiation through a unique board-level test setup. The technique may have a great impact on the cost reduction of electronic boards for space applications, since it would avoid using expensive evaluation boards for each COTS component that needs a radiation test.
引用
收藏
页数:15
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