Ka-band Spaceborne Silicon-based Phased Array Antenna
Low-cost, fully integrated AOB architecture design
Design for Single-Event Upset Protection in criticalcomponents (Radiation Hardening in hardware and
software)
On-orbit software reconfigurability
Wide voltage input and electromagnetic compatibility (EMC) design
Technical parameters
| S/N | Items | Parameters | Remarks | |
| 1 | Tx Phased Array | Working Frequency | 25.2 GHz-27.5GHz | |
| 2 | Beams | 1 | ||
| 3 | Scanning Range | Azimuth: 360°; Off-axis angle: ±60° | ||
| 4 | Transmit EIRP | ≥41dBW @ 0°; ≥36dBW @ scanning range 60° | ||
| 5 | Polarization | RHCP | ||
| 6 | Axial Ratio | Normal Direction: ≤2.0dB;
3dB Beam Width: ≤3.0dB; Off-axis 60° Beam Center: ≤4dB; Off-axis 60° Beam Width: ≤5dB; |
||
| 7 | Spurious Suppression | ≤-50dBc | ||
| 8 | Input Standing Save | ≤2 | ||
| 9 | Pointing Accuracy | ≤1/10 beam width | ||
| 10 | Rx Phased Array | Working Frequency | 22.6 GHz-23.3GHz | |
| 11 | Beams | 1 | ||
| 12 | Scanning Range | Azimuth: 360°; Off-axis angle: ±60° | ||
| 13 | G/T | Normal direction: ≥-3 dB/K;
Off-axis angle 60°: ≥-8dB/K; (Antenna noise temperature: 65K) |
||
| 14 | Polarization | LHCP | ||
| 15 | Axial Ratio | Normal Direction: ≤2.0dB;
3dB Beam Width: ≤3.0dB; Off-axis 60° Beam Center: ≤4dB; Off-axis 60° Beam Width: ≤5dB; |
||
| 16 | Receive Gain | ≥60dB (Antenna synthesis gain excluded) | ||
| 17 | Output Standing Wave | ≤2 | ||
| 18 | Pointing Accuracy | ≤1/10 beam width | ||
| 19 | Power Supply | +16V ~ +70V | ||
| 20 | Weight | ≤2.2kg (External cable excluded) | ||
| 21 | Power Consumption | ≤250W | ||
| 22 | Dimensions | Transmitter: 179.5*153.5*47mm
Receiver: 110*89*31mm |
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