Allowed Combinations | |||
---|---|---|---|
IFs | one beam | two beams | four beams |
1 | yes | yes | yes |
2 | yes | yes | yes |
4 | yes | yes | no |
8 | yes | no | no |
Assuming always dual-polarizations.
The primary sampler selection is given; in many cases alternate samplers
are possible.
Sampler groups defined as: G1 = (1-8); G2 = (9-16); G3 = (17-24); G4 = (25-32)
ACS mode as function of IF/Beam selection. | ||||||
---|---|---|---|---|---|---|
NIFS | Beams | NSamp | ACS Modes | Levels | #samp/bank (group) |
ACS Channels |
1 | B1 | 2 | A1 A2 A4 A1 A2 A4 |
3-lev 3-lev 3-lev 9-lev 9-lev 9-lev | 2 (G1) | 32768 65536 131072 8192 16384 32768 |
1 | B2 | 2 | same as for B1 | 2 (G3) | ||
1 | B3 | 2 | same as for B1 | 2 (G2) | ||
1 | B4 | 2 | same as for B1 | 2 (G4) | ||
1 | B12 | 4 | A1_B1 A2_B2 A1_B1 A2_B2 |
3-lev 3-lev 9-lev 9-lev |
2 (G1_G3) | 32768 65536 8192 16384 |
1 | B34 | 4 | same as for B12 | 2 (G2_G4) | ||
1 | B1234 | 8 | A1_B1_C1_D1 A1_B1_C1_D1 |
3-lev 9-lev |
2 (G1_G2_G3_G4) | 32768 8192 |
2 | B1 | 4 | A1 A2 A4 A1 A2 A4 |
3-lev 3-lev 3-lev 9-lev 9-lev 9-lev |
4 (G1) | 16384 32768 65536 4096 8192 16384 |
2 | B2 | 4 | Same as 2 IFs, B1 | 4 (G3) | ||
2 | B3 | 4 | Same as 2 IFs, B1 | 4 (G2) | ||
2 | B4 | 4 | Same as 2 IFs, B1 | 4 (G4) | ||
2 | B12 | 8 | A1_B1 A2_B2 A1_B1 A2_B2 |
3-lev 3-lev 9-lev 9-lev |
4 (G1_G3) | 16384 32768 4096 8192 |
2 | B34 | 8 | Same as 2 IFs, B12 | 4 (G2_G4) | ||
2 | B1234 | 16 | A1_B1_C1_D1 A1_B1_C1_D1 |
3-lev 9-lev |
4 (G1_G2_G3_G4) | 16384 4096 |
4 | B1 | 8 | A1_B1 A2_B2 A1_B1 A2_B2 |
3-lev 3-lev 9-lev 9-lev |
4 (G1_G2) | 16384 32768 4096 8192 |
4 | B2 | 8 | same as 4 IFs, B1 | 4 (G3_G4) | ||
4 | B3 | 8 | same as 4 IFs, B1 | 4 (G1_G2) | ||
4 | B4 | 8 | same as 4 IFs, B1 | 4 (G3_G4) | ||
4 | B12 | 16 | A1_B1_C1_D1 A1_B1_C1_D1 |
3-lev 9-lev |
4 (G1_G2_G3_G4) 4 (G1_G2_G3_G4) |
16384 4096 |
4 | B34 | 16 | A1_B1_C1_D1 A1_B1_C1_D1 |
3-lev 9-lev |
4 (G1_G2_G3_G4) 4 (G1_G2_G3_G4) |
16384 4096 |
8 | B1&2 | 16 | A1_B1_C1_D1 A1_B1_C1_D1 |
3-lev 9-lev |
4 (G1_G2_G3_G4) 4 (G1_G2_G3_G4) |
16384 4096 |
8 | B3&4 | 16 | A1_B1_C1_D1 A1_B1_C1_D1 |
3-lev 9-lev |
4 (G1_G2_G3_G4) 4 (G1_G2_G3_G4) |
16384 4096 |