Command and Data Handling System (CDH)


The BST CDH system consist of two main parts: the OBC-100 and the ACC-100. The OBC- 100 is responsible for scheduling all tasks and coordinating TMTC functions of the bus whereas the ACC-100 which is integrated in the same housing runs the attitude algorithm and connects to all ADCS components. Optionally an auxiliary processor can be attached to the OBC-100 that allows centralized operation via a Linux operation system.


mass870 g
length176 mm
height55 mm
radiation tolerance10 krad
lifetime5 yr
storage temperature min: -30 C, max: 50 C
voltage dc5 V
operating temperaturemin: -20 C, max: 40 C
width94 mm



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Last updated: 2019-02-03