Allowed Combinations | |||
---|---|---|---|
IFs | one beam | two beams | four beams |
1 | yes | yes | yes |
2 | yes | yes | no |
4 | yes | no | no |
Assuming always dual-polarizations.
The primary sampler selection is given; in many cases alternate samplers
are possible.
ACS mode as function of IF/Beam selection. | ||||||
---|---|---|---|---|---|---|
NIFS | Beams | NSamp | ACS Modes | BandWidth | Samplers | ACS Channels |
1 | B1 | 2 | A1 A2 A4 A1 A1_B1 A2_B2 |
200 200 200 800 800 800 | 01 01 01 01 0_1 0_1 |
8192 16384 32768 2048 4096 8192 |
1 | B2 | 2 | same as for B1 | |||
1 | B3 | 2 | same as for B1 | |||
1 | B4 | 2 | same as for B1 | |||
1 | B12 | 4 | A1 A1_B1 A2_B2 A1_B1 A1_B1_C1_D1 |
200 200 200 800 800 |
0123 01_23 01_23 01_23 0_1_2_3 |
4096 8192 16384 2048 4096 |
1 | B34 | 4 | same as for B12 | |||
1 | B1234 | 8 | A1_B1 A1_B1_C1_D1 A1_B1_C1_D1 |
200 200 800 |
0123_4567 01_23_45_67 01_23_45_67 |
4096 8192 2048 |
2 | B1 | 4 | A1 A1_B1 A2_B2 A1_B1 A1_B1_C1_D1 |
200 200 200 800 800 |
0123 01_23 01_23 01_23 0_1_2_3 |
4096 8192 16384 2048 4096 |
2 | B2 | 4 | Same as 2 IFs, B1 | |||
2 | B3 | 4 | Same as 2 IFs, B1 | |||
2 | B4 | 4 | Same as 2 IFs, B1 | |||
2 | B12 | 8 | A1_B1 A1_B1_C1_D1 A1_B1_C1_D1 |
200 200 800 |
0123_4567 01_23_45_67 01_23_45_67 |
4096 8192 2048 |
2 | B34 | 8 | Same as 2 IFs, B12 | |||
4 | B1 | 8 | A1_B1 A1_B1_C1_D1 A1_B1_C1_D1 |
200 200 800 |
0123_4567 01_23_45_67 01_23_45_67 |
4096 8192 2048 |
4 | B2 | 8 | same as 4 IFs, B1 | |||
4 | B3 | 8 | same as 4 IFs, B1 | |||
4 | B4 | 8 | same as 4 IFs, B1 |
Note: