Field Programmable Gate Array Based Miniaturised Central Controller for a Decentralised Base-Band Telemetry System for Satellite Launch Vehicles
Affiliation
Indian Space Research OrganisationIssue Date
1995-11Keywords
Field Programmable Gate Array (FPGA)Telemetry (TM) Format
Hybrid Micro Circuit (HMC)
Very Large Scale Integration (VLSI)
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Proceedings from the International Telemetering Conference are made available by the International Foundation for Telemetering and the University of Arizona Libraries. Visit http://www.telemetry.org/index.php/contact-us if you have questions about items in this collection.Abstract
The Central Control Unit (CCU) 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) devices in place of LS TTL devices, high level user programmability of TM format using EEPROMs, usage of high density memory for on-board data storage and delayed data transmission, HMC based pre-modulation filter and final output driver etc. The entire system is realised on a single 6 layer MLB and is packaged on a stackable modular frame. This design has resulted in a 1:4 reduction in weight, 1:4 reduction in volume, 1:5 reduction in power consumption and 1:3 reduction in height in addition to drastic reduction of part diversity and solder joints and thus greatly increased reliability. This paper discusses the design approach, implementation details, tools used, simulations carried out and the results of detailed qualification tests done on the realised qualification model.Sponsors
International Foundation for TelemeteringISSN
0884-51230074-9079