Two-degree-of-freedom device for antenna pointing. Type 4
Flight-proven 2-DOF antenna pointing device (±10.5°, 50 N·m, 8.4 kg, 442×362×164 mm) with 10-year life.
Technical specifications
- Purpose
- Spacecraft antenna pointing to mobile and immobile users
- Year of release
- 1996
- Guaranteed service life, years
- 10
- Estimated production/delivery time
- 6 months
- Flight qualification
- Yes
- Rotation angle per axis, °
- ±10.5
- Slew rate, °/min
- 0.001–5
- Measurement error per axis (arcsec), not exceeding
- 90
- Developed torque per axis (N·m), not less than
- 50
- Operating temperature range, °C
- -20 to +50
- Active lifetime, years
- 10
- Overall dimensions (mm), not exceeding
- 442 × 362 × 164
- Mass, kg
- 8.4
- TRL
- 9 (flight-proven)
About
The Two-degree-of-freedom Device for Antenna Pointing Type 4 is a flight-qualified two-axis electromechanical drive for pointing spacecraft antennas to mobile and immobile users. It provides ±10.5° rotation per axis at faster slew rates of 0.001–5 °/min with 90 arcsec pointing accuracy and 50 N·m minimum torque. Compact at 442 × 362 × 164 mm, mass 8.4 kg. Released in 1996 with 10-year active and guaranteed service life, 6-month delivery time.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
