Two-degree-of-freedom Device for Antenna Pointing. Type 2
This is a two-degree-of-freedom electromechanical device designed for precise antenna pointing on spacecraft, enabling communication with both mobile and immobile users.
Key figurescomparable across the catalogue
- Mass
- 21 kg
- Largest dimension
- 855 mm
- Design life
- 5 years
- Lead time
- 6 months
- TRL
- 9
Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.
As published by the supplier
- Year of release
- 1985
- Design life
- 5 years
- Lead time
- 6 months
- Flight qualification of the product
- Yes
- Rotation angle for each axis
- ± 11.5 °
- Slew rate
- 0.00016 – 0.083 °/min
- Measurement error of the rotation angle for each axis, not exceeding
- 90 arcsec
- Developed torque for each axis, not less than
- 70 N·m
- Operating temperature range
- ± 50 °C
- Active lifetime
- 5 years
- Overall dimensions, not exceeding
- 855 × 725 × 233 mm
- Mass
- 21 kg
About
The Two-degree-of-freedom Device for Antenna Pointing, Type 2, is an electromechanical system engineered for spacecraft applications. Its primary purpose is to accurately point spacecraft antennas towards various users, including both mobile and immobile targets. The device offers a rotation angle of ±11.5 degrees for each axis, with a slew rate ranging from 0.00016 to 0.083 degrees per minute. It boasts a high measurement accuracy, with a rotation angle error not exceeding 90 arcseconds for each axis. The device is capable of developing a torque of not less than 70 N·m for each axis. Designed for the harsh space environment, it operates within a temperature range of ±50 °С and has an active and guaranteed service life of 5 years. The overall dimensions of the device do not exceed 855 x 725 x 233 mm, and it has a mass of 21 kg. This product was released in 1985 and is flight qualified. The estimated production/delivery time is 6 months.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.