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ETTC'2003 - SEE

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During this test, the satellite is in a RF configuration as near as possible of the flight configuration;<br />

particularly the antennae are used at their nominal power. The RF functional characteristics are<br />

measured by verifying the emitted spectrum spurious, PIMP and the on-board sensitivity. During the<br />

RF auto-compatibility tests execution (full payload up to saturation pending on Anechoïc chamber<br />

capability), all sub-systems behaviours are checked. This allows to detect, if any, workmanship<br />

problems. The electric field inside the satellite and at external unit level are also measured; this allows<br />

to demonstrate the system margin with regards to the equipment radiated susceptibility level.<br />

RF Auto-compatibility test (Astrium property)<br />

Reference<br />

[RD1] MIL STD 461E : "Requirements for the Control of Electromagnetic Interference Characteristics of<br />

Subsystems and Equipment" August 99.<br />

[RD2] MIL STD 1541 : "Electromagnetic compatibility requirements for space systems" - October 1973.<br />

[RD3] "Design guidelines for assessing and controlling spacecraft charging effects"<br />

C. Purvis, H.B. Garret; N.J. Stevens. NASA technical paper 2361 (1984)<br />

[RD4] "Specification de l'environnement de l'orbite géostationnaire" CERT/DERTS Report °423500,<br />

RF - J. Berry, L. Levy, J.P. Philippon<br />

5

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