TR

Ku-Band ONET

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