Research Article
Design of an L-Band Cross-Dipole Phased Array Feed for FAST
Table 2
Performance specification for L-band FAST-PAF.
| Parameter | Quantity |
| Operating frequency range | 1.05 GHz–1.45 GHz | Instantaneous bandwidth | ≥500 MHz | Polarization | Dual-polarization | Field of view | deg2 | Simultaneous beams | >100 | System noise temperature | ≤25 K | Sensitivity | ≥2000 | Aperture efficiency | ≥55% (in 300 m diameter) | Radiation efficiency | ≥98% |
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