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radar antenna

X Band 9.2-9.8G 256elements Phased Array Antenna for Radar System

ZD-PAA-XR-9.2/9.8G
This surface-mount X-band subarray operates in the 9.2-9.8 GHz range and supports single-beam, time-division duplex transmission and reception in pulse mode, with a maximum duty cycle of 20% and pulse width of 20µs. The 16×16 array (256 elements) features independent phase shift and attenuation control per channel, including single-channel switching capability, and provides overvoltage, overcurrent, and timing-disorder protection to prevent burnout. It reports on-chip TR component temperature during operation and includes a low-power mode that powers the RF control chip while disabling the RF channel signal. Vertically polarized by design, the subarray measures 18 mm × 18 mm and supports scanning ranges of ±45° in azimuth and ±40°elevation. Key performance specifications include EIRP ≥78 dBm (9.2-9.8 GHz), G/T ≥ –10.8 dB/K.
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This X-band phased array antenna operates in the 9.2-9.8 GHz frequency range, supporting single-beam, time-division duplex transmission and reception in pulse mode with a maximum duty cycle of 20% and pulse width of 20 μs.This X antenna is a array antenna for radar system It adopts an advanced surface-mount architecture with vertical polarization, integrating 256 tightly arranged radiating elements in a 16×16 orientation and pitch configuration within a compact 18 mm × 18 mm form factor. Each channel features independently programmable phase shift and attenuation, enabling flexible beamforming and single-channel on/off control, while built-in overvoltage, overcurrent, and timing disorder protection ensure robust and fail-safe operation even under abnormal control sequences.
Equipped with intelligent beam control and telemetry capabilities, the antenna reports real-time operating temperature of the TR components and supports a low-power standby mode that keeps the RF control chip powered while disabling the RF signal path. Its beam scanning coverage reaches ±45° in azimuth and ±40 in elevation, delivering consistent pattern performance across wide angles. At broadside, typical beamwidth is 6.8°±0.6° for transmission and 5.7°±0.8° for reception.
Designed for high-performance satellite communication and radar applications, the subarray delivers EIRP of ≥78 dBm (9.2-9.8 GHz), G/T of ≥–0.8 dB/K over the respective ranges. With its high integration density, lightweight surface-mount packaging, and comprehensive environmental protection features, this subarray provides a scalable, high-reliability building block for radar antenna system

Front-end Architecture

Two-dimensional active chip-based phased array

Array Scale

16×16

Operating Bandwidth

9.2 GHz – 9.8 GHz

Scan Range

Azimuth: ±45°;

Elevation: ±40°;

Beamwidth

Receiving State (Weighted, Normal)

Azimuth: 6.8° ± 0.6°;

Elevation: 6.8° ± 0.6°;

Transmitting State (Unweighted, Normal)

Azimuth: 5.7° ± 0.5°;

Elevation: 5.7° ± 0.5°;

Receive Sum Beam Sidelobe Level

Azimuth: ≤ −22 dB (Weighted);

Elevation: ≤ −22 dB (Weighted);

Receive Difference Beam Null Depth

Azimuth: ≤ −22 dB;

Elevation: ≤ −22 dB;

Maximum Transmit Duty Cycle

≥ 20%

Maximum Pulse Width

20 μs

G/T

≥ −0.8 dB/K (Normal)

EIRP

≥ 78 dBm (Normal)

Power Consumption

≤ 220 W @ 20% transmit duty cycle

Transmit Excitation Power

≥ 30 dBm

Size

≤315mm (pitch) × 315mm (azimuth) × 60mm (thickness).

Weight

≤6kg；

Interface requirements

Power supply requirements (external power supply)

The total power supply input voltage ranges from DC24V to DC30V.

Total power input current:

RF Interface

And Kou: SMA-K

Azimuth port: SMA-K

Pitch difference: SMA-K;

Fan control interface

Control fan speed: 0/50%/100%

Fan status: Normal or not