GXSC band beamformer benchmarking ADAR1000 for radar systems and target detection applications

In the fields of aviation, autonomous driving, meteorological monitoring, etc., the accuracy, distance, and anti-interference ability of radar system target detection directly determine the application effectiveness. With the upgrading of technology, traditional mechanical scanning radar is gradually being replaced by phased array radar due to its drawbacks such as large size, slow response, and poor flexibility.

Modern radar systems require extremely high beam accuracy and response speed. GXSC‘s beamformer chip supports C/X/Ku bands, with high-precision phase control and fast digital calibration functions. It performs well in multi-target tracking, low altitude flying object detection, and high-speed moving target capture, providing solid technical support for radar detection.

The GXSC beamformer supports a working frequency range of 5GHz to 18GHz, covering the C-band, X-band, and Ku band. The chip integrates 4 receiving channels, 4 transmitting channels, and corresponding power synthesis/distribution networks, making it a highly integrated silicon-based beamforming chip. Its receiving and transmitting channels both support amplitude and phase control, with a phase accuracy of 7 bits and support for phase control with an interval of 2.8 ° within 360 °; The amplitude accuracy is 6 bits and supports amplitude control with an interval of 0.5 dB within a dynamic range of 31.5 dB.

The GXSC beamformer adopts 4-wire SPI logic for register configuration and control, which can configure the amplitude and phase of each channel, support bias adjustment, on/off control of each channel, and transmit/receive switching. At the same time, a single chip has two address lines to achieve serial control of up to four multifunctional chips in applications.

The functions of the GXSC beamformer chip are introduced as follows:

Internally supports beam storage, making it easy to quickly switch beam states.

The transmission and reception are controlled by a single pin, making it easy to quickly switch between transmission and reception states.

Supports power modulation and can provide bias or logic control levels for off chip PA, LNA, TR switch, fifth channel attenuator, fifth channel delay, etc.

Integrated temperature compensation to reduce performance differences between high and low temperatures.

Integrated four channel power detection for convenient system monitoring.

The chip is powered by a 3.3V main power supply, with 5V and -5V providing power for the power modulation section. The SPI digital interface is 3.3V logic. Negative pressure -5V is used for generating negative pressure in the power modulation section (if the power modulation function is not used, -5V voltage and 5V voltage can be omitted).