Pyramidal Sun Sensor
| Cell | InGaP / GaAs / Ge |
|---|---|
| Substrate | 2A12 aluminum alloy |
| Temperature | −100°C to 120°C |
| Size | 7.57 mm × 27.89 mm (single-quadrant) |
| Mass | 25 g |
Subsystem hardware
Mechanisms, Sensors and RF
Sun sensors, scroll-spring hinges, separation nuts and transponder, flat panel and microstrip patch antennas.
Hinges < 100 gSMA separation nut7.2–8.4 GHz antenna
Specifications
Models and specifications
Review the published parameters below and request the applicable datasheet and test conditions for the selected model.
90° Scroll Spring Hinge
| Mass | < 100 g |
|---|---|
| Size | 65.0 × 61.2 × 46.0 mm |
| Interface | 4 × M4 screws |
| Fold / unfold | 0° / 90° |
| Torque (fold / unfold) | 518.4 / 414.7 N·mm |
180° Scroll Spring Hinge
| Mass | < 100 g |
|---|---|
| Size | 63.7 × 61.2 × 46.0 mm |
| Interface | 4 × M4 screws |
| Fold / unfold | 0° / 180° |
| Torque (fold / unfold) | 414.7 / 207.4 N·mm |
Separation Nut
| Drive | SMA and thermal knife |
|---|---|
| Use | Solar panel, antenna and active-component restraint |
| Traits | Low impact, low current, pollution-free, reusable |
Transponder Antenna
| Frequency | 7200–8400 MHz |
|---|---|
| Transmit gain at ±70° | > 1.0 dB |
| Receive gain | > −1 dBi |
| Polarization | LHCP and RHCP |
| Mass | < 50 g |
Flat Panel Antenna
| Frequency | 8025–8400 MHz |
|---|---|
| Axial gain | 15 dBi |
| Polarization | Dual linear polarization |
| Mass | < 70 g |
Microstrip Patch Antenna
| Frequency | 8025–8030 / 8050–8055 MHz |
|---|---|
| Gain at ±65° | > 1.0 dBi |
| Polarization | LHCP and RHCP |
| Mass | < 75 g |