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Table 2
upGREAT LFA receiver characteristics.
| Parameter | Performance | Comment |
|
|
||
| RF bandwidth | 1.81−2.54 THz | goal bandwidth |
| 1.83−2.07 THz | currently usable RF bandwidth | |
| IF bandwidth | 0.2−4 GHz | full usable IF range (3dB roll-off) |
| Receiver sensitivity | 1800 K SSB | at 2 GHz IF (average over all pixels) |
| System noise temperature | 2000 K SSB | for PWV < 15 μm |
| Number of pixels | 7 per sub-array (14 total) | dual polarization |
| Backends | 4 GHz instantaneous BW | FFTS technology |
| Array geometry | hexagonal arrays with central pixel | |
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