FIELD PROGRAMMABLE GATE ARRAY BASED MINIATURISED REMOTE UNIT FOR A DECENTRALISED BASE-BAND TELEMETRY SYSTEM FOR SATELLITE LAUNCH VEHICLES
AffiliationIndian Space Research Organisation
KeywordsRemote Unit (RU)
Field Programmable Gate Array (FPGA)
Hybrid Micro Circuit (HMC)
On-Board Computer (OBC)
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AbstractThe Remote Unit (RU) for a decentralised on-board base-band telemetry system is designed for use in launch vehicle missions of the Indian Space Research Organisation (ISRO). This new design is a highly improved and miniaturised version of an earlier design. The major design highlights are as follows. Usage of CMOS Field Programmable Gate Array (FPGA) technology in place of LS TTL devices, the ability to acquire various types of data like high level single ended or differential analog, bi-level events and two channels of high speed asynchronous serial data from On-Board Computers (OBCs), usage of HMC technology for the reduction of discrete parts etc. The entire system is realised on a single 6 layer MLB and is packaged on a stackable modular frame. This paper discusses the design approach, tools used, simulations carried out, implementation details and the results of detailed qualification tests done on the realised qualification model.
SponsorsInternational Foundation for Telemetering