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SSOC - Model D60 - Sun Sensor for Small Satellites with Digital Interface
Dos axis accurate sun sensor: SSoC-D device measures the incident angle of a sun ray in both axis. It includes a microprocessor that directly provides the sun light incident angles and their derivatives without external calculations, via RS-422 interface. The high sensitivity is based on geometrical dimensions of the design. The use of a metal shield and a cover glass minimizes the ageing of the device under high radiation levels. Every sensor is calibrated and includes an internal thermistor.
Sun Sensor on a Chip (SSOC), is based on MEMS fabrication processes to achieve highly integrated sensing structures for high accurate sun-tracking, positioning systems and attitude determination.
SSOC-D60 device measures the incident angle of a sun ray in both axis. It includes a microprocessor that directly provides the sun light incident angles and their derivatives without external calculations, via digital interface.
The high sensitivity is based on geometrical dimensions of the design. The use of a metal shield and a cover glass minimizes the ageing of the device under high radiation levels. Every sensor is calibrated and characterized.
Data: Value
- Operating Temperature: -45º to 85º Celsius
- Radiation:
- 30 kRad (gamma)
- 6 MeV 3000 kRad (protons)
- Random vibration: 14,1g @ 20-2000 Hz
- Shock: 3000 g @ 1-100 ms
It includes MEMS technology of Solar MEMS with flight heritage.
Electronic components are space-grade, and included microprocessor has been tested according to space environment, and has flight heritage.
More than 50 units included in more than 10 missions.
