Airborne Ka-band Communication Phased Array Antenna Set
Function:
Complete the reception and transmission of Ka-band
communication signals
EIRP：52dBW
G/T：10dB/K
Performance:
a) Separate antennas for transmission and reception;
b) Transmit frequency range: 27.5–31GHz, receive frequency range: 17.7–21.2GHz;
c) Antenna type: phased array;
d) Mode: continuous wave mode;
e) Transmit and receive array scanning range (array coordinate system): azimuth/elevation scanning range: ±60°;
f) Transmit antenna gain (normal, center frequency): <28dB; receive antenna gain: 40dB;
g) Half-power beamwidth (normal, center frequency): transmit antenna azimuth/elevation: 6°; receive antenna azimuth/elevation: 1.5°;
h) Sidelobe level (normal): transmit antenna horizontal/vertical sidelobe: -15dB; receive antenna horizontal/vertical sidelobe: -27dB;
i) Beam scanning pointing error: 5% of the pointing angle;
j) Active VSWR: 3.0;
k) Polarization: both transmit and receive antennas support dual polarization, left-hand/right-hand circular polarization;
l) Cooling: conduction natural cooling.
Transmitting antenna parameters
a) 24×24 array, totaling 576 elements, 152 channels;
b) Single channel 0.5W, 6-bit phase shift accuracy;
c) 4-channel module;
d) dx=dy=4.1mm;
e) Physical dimensions: 110×110×30mm;
f) 28V power supply, SMA interface.
Receive array parameters
a) Each sub-array is a 24×24 array, with 16 sub-arrays totaling 9216 elements and 18432 channels.
b) 6-bit phase shift accuracy.
c) 4-channel module.
d) dx=dy=4.1mm.
e) Physical dimensions: 410×410×45mm.
f) 28V power supply, SMA interface.
