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Rear face of Gaia Antenna Support Panel

Rear face of Gaia Antenna Support Panel


Date: 26 March 2012
Satellite: Gaia
Depicts: Gaia Antenna Support Panel
Copyright: Astrium/A. Martin/2012. Permission: EADS CASA Espacio/Madrid, Francisco Lechón, Communication & CSR Director

The Gaia Antenna Support Panel on its ground handling trolley, showing the rear face and electronics modules. Of the boxes arranged in a circle around the rear of the Radiating Cone (centre of panel), the Electronic Power and Interface Controller (EPIC) is positioned at about seven-o-clock. The remaining boxes are the seven 'Quadri-Modules', which provide low-level gain, phase and amplitude control, power amplification and routing of signals to the appropriate sub-arrays. The 2:7-way splitter that allows the spacecraft's nominal or cold-redundant transponder to feed the Quadri-Modules is at the upper right.

Last Update: 1 September 2019
11-Jul-2020 05:55 UT

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