Ku-Band ONET is used for multiplexing and switching of downlink channels.
Technical Specifications
Operating Frequency Band (Uplink) 17300 - 18350 MHz
Operating Frequency Band (Downlink) 11700 - 12750 MHz
No of Channel and Bandwidth 33 MHz
Switch Type C (number: 6) and R (number: 13) Switches
Input Return Loss Centre Frequency +/-15 MHz : > 19 dB
Centre Frequency +/-16.5 MHz: > 18 dB
Output Return Loss () > 18 dB
Insertion Loss Primary ≤ 1.00 dB
First Failure ≤ 1.18 dB
Second Failure ≤ 1.30 dB
Near Out of Band Rejection Centre Frequency ± 24 MHz: < 10 dB
Centre Frequency ± 41 MHz: < 25 dB
Centre Frequency ± 100 MHz: < 50 dB
Far Out of Band Rejection Centre Frequency -100 MHz: 50 dB
Centre Frequency +100 MHz to 13600 MHz: 50 dB
13600 to 15000 MHz: 80 dB
15 to 40 GHz: 80dB
Dimension 900x600x200 mm3
Mass < 21.25 kg
In-Orbit Life 15 years
RF Input Interface WR75
RF Output Interface WR90
Natural Frequency > 140 Hz
Maximum RF Input Power Level 180 W
Environmental Specifications
Operating Temperature Range +5 ˚C to +60 ˚C (Operating Mode)
Range -30 ˚C to +80 ˚C (Survival/Non-operating mode)
Reliability <67 FIT @ 35 ˚C
