ACDS Overview Sun Sensor PCB Magneto- torquer Torqer Driver Magneto- meter Sun Sensor Interface Power M anagem ent C ontrol Logic PW M 4 Supply 2 Latch-U p 7 4 4 SPI 3 12 9 M ag. R eset ACDS M ain Board
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ACDS Overview
Sun SensorPCBMagneto-
torquer TorqerDriver
Magneto-meter
Sun SensorInterface
PowerManagement
ControlLogic
PWM4
Supply2
Latch-Up7
4 4
SPI
3
12
9
Mag.Reset
ACDSMain Board
ACDS Hardware
Sun Sensor Principale & Design• Two-Axis Slit sensor implemented
in micro technology
• Elimination of various parameters by the use of a reference area
O
i
i
Pyrex
Si Al
Sensor areaSiO2
Magnetometer
Test & Calibration
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