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System Level Space Environment Testing of Satellite Digital Transponder
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 Title & Authors
System Level Space Environment Testing of Satellite Digital Transponder
Song, Young-Joong; Kim, Jung-Ho; Lee, Sue-Hyun; Seo, Hak-Geum; Shin, Guan-Ho; Jin, Bong-Chul;
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EQM Model Digital transponder applying the Korean's own designing and manufacturing technology has gone through a series of trials and errors during the development. In particular, lack of thermal designs expedience for the vacuum causes variety of errors in designing, assembling transponder and setting up the test at the first thermal vacuum test (TVAC). Since the first TVAC test could not accomplished its aims successfully, so the second TVAC should be performed as make up test with revised Digital transponder. In this paper, the defects that identified in the first TVAC are analyzed and applied solutions and its results at the second TVAC are presented. Using the lessons from the first and second TVAC, we will be able to make more reliable digital transponders in the next phase of project. In addition it also be useful as a reference when we design another satellite payloads.
satellite communication;digital transponder;Thermal Vacuum Test;
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