Low Cost S-Band Flexible Transponder for Minisatellites

 Programme:  GSTP  Achieved TRL:  3-4
 Reference:  G517-153ET  Closure:  2016
 Contractor(s):  Syrlinks (FR)
 

In this GSTP activity, Syrlinks developed a breadboard model of an S-band transponder demonstrating full ranging capabilities.

The previous version of the transponder, without the ranging functionality, was developed under the CNES Myriade Evolution program, which is a platform for micro-satellites.

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Coherency validation testbenchAccess the image

Objectives
Develop a low-cost S-band transponder, based on class-3 components, and providing coherency and ranging functionalities.

Achievements
A bread-board model was completed and delivered to ESA. Full functional validation, based upon laboratory measurements, was successfully undertaken. The full ranging and coherency functionality was validated under typical operating conditions.

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Group delay measurementsAccess the image

Benefits
Provides a fully-fledge, low-cost S-band transponder for micro-satellites.

Next steps
Additional funding is now required to have complete the Engineering Model and Engineering Qualification Model.

This activity was presented at the Coordinated Final Presentation Days (CFPDs - now SET-FPDs) at ESTEC in November 2016. Please follow the links on the right hand side to get access to the final presentation and to watch the recorded presentation.

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