Two-degree-of-freedom Device for Antenna Pointing. Type 3
Flight-proven 2-DOF antenna pointing device (±11.5°, 50 N·m, 13 kg, 565×500×210 mm) with 5-year life.
Technical specifications
- Purpose
- Spacecraft antenna pointing to mobile and immobile users
- Year of release
- 1988
- Guaranteed service life, years
- 5
- Estimated production/delivery time
- 6 months
- Flight qualification
- Yes
- Rotation angle per axis, °
- ±11.5
- Slew rate, °/min
- 0.00016–0.083
- Measurement error per axis (arcsec), not exceeding
- 90
- Developed torque per axis (N·m), not less than
- 50
- Operating temperature range, °C
- ±50
- Active lifetime, years
- 5
- Overall dimensions (mm), not exceeding
- 565 × 500 × 210
- Mass, kg
- 13
- TRL
- 9 (flight-proven)
About
The Two-degree-of-freedom Device for Antenna Pointing Type 3 is a flight-qualified two-axis electromechanical drive for pointing spacecraft antennas to mobile and immobile users. It provides ±11.5° rotation per axis at slew rates of 0.00016–0.083 °/min with 90 arcsec pointing accuracy and 50 N·m minimum torque. More compact than Type 2 at 565 × 500 × 210 mm, mass 13 kg. Released in 1988 with 5-year active and guaranteed service life, 6-month delivery time.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
