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