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Description
1.Technical requirements
Item | Specification | Requirements | Notes | |
1
|
Working Frequency |
Tx(GHz)
|
29.4~31.0(Ka); | |
13.75~14.5;(Ku) ; | ||||
Rx(GHz) |
19.6~21.2;(Ka); | |||
11.45~11.70 ;12.25~12.75; (Ku); | ||||
2 | Polarization | Ka-Tx | LHCP | |
Ka-Rx | RHCP | |||
Ku frequency | Linear | |||
3 | Cross polarization (Ku) | ≥35dB; | ||
4 | Axis ratio (Ka) | ≤0.8dB; | ||
5 | VSWR | Ku-Rx | Try to VSWR≤1.3, Guarantee VSWR≤1.35; | |
Ku-Tx | ≤1.25; | |||
Ka-frequency | ≤1.25; | |||
6 | Channel isolation | Ku-Tx -Ku-Rx | ≥85 dB; | |
Ku-Tx -Ka-Tx | ≥85 dB; | |||
Ku-Tx- Ka-Rx | ≥85 dB; | |||
Ka-Tx- Ka-Rx | ≥85 dB; | |||
Ka-Tx- Ku-Tx | ≥85 dB; | |||
Ka-Tx- Ku-Rx | ≥85 dB; | |||
7 | Channel loss | Ku-Rx Channel:≤0.9 dB(including Ku,Ka TRF); | ||
Ku-Tx Channel:≤0.8 dB(including Polarization Tx joint); | ||||
Ka-RxChannel:≤0.8 dB(includingKa TRF); | ||||
Ka-Tx Channel:≤0.8 dB; | ||||
8 | Horn illumination angle | ±23°; | ||
9 | Horn edge Irradiation level value |
-15dB ~-19 dB(the Ku-Rx frequency:-13dB ~-19 dB); | ||
10 | Level difference | Ku-Rx | ≤3.5dB | |
Ku-Tx | ≤2.5dB | |||
Ka-Rx | ≤2dB | |||
Ka-Tx | ≤2dB | |||
11 | Coating method | silver | ||
12 | RF interface | Ku frequency | BJ120 | |
Ka-Rx | BJ220 | |||
Ka-Tx | BJ320 | |||
13 | Power | ≥1000 W; |