Satellite Bus

BIRDS-2 Satellite Bus System

1. On-Board Computer (OBC) sub-system

Design Specification:

  • Takes heritage from BIRDS-1
  • Main Components:
    • Two Renesas microcontroller (H8 36057)
    • One Microchip microcontroller (PIC 16F1787)
    • Two Flash memories
    • Two MUX
  • Main Interface: SPI

The main function of the OBC is to:

  • Generate Beacon signal (callsign+HK data)
  • Receive, Analyze and Execute Telecommands
  • Handle Telemetry data
  • Monitor satellite health parameters