Summary

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.

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Last updated: 2019-02-03

Command and Data Handling System (CDH)

Specs

mass
870 g
voltage
5 V
length
176 mm
height
55 mm
radiation tolerance
10 krad
lifetime
5 yr
storage temperature
-30 — 50 C
operating temperature
-20 — 40 C
width
94 mm

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