The phased array control chip GX1000 and broadband mixer chip GX5548 replace ADAR1000/LTC5548 in security radar applications

Security radar is a crucial technology for ensuring public safety in fields such as transportation and airports. In security radar systems, phased array chips achieve beamforming by controlling the phase and amplitude of each antenna element in the array, enabling electronic steering of the antenna beam. This eliminates the need for mechanical antenna rotation, allowing rapid and flexible beam direction adjustments. In terms of radar signal processing, broadband mixers cover a wide frequency range, flexibly handling signals across various frequencies to meet the radar system‘s requirements for frequency conversion under different operational modes.

The amplitude-phase control chip GX1000 and the passive double-balanced broadband mixer chip from GXSC exhibit outstanding performance characteristics, rivaling imported models such as ADAR1000/LTC5548, thereby enhancing the reliability and effectiveness of security systems. The high-performance passive double-balanced broadband mixer chip can be used for up-conversion or down-conversion, covering an ultra-wide frequency range of 2GHz to 15GHz, meeting the full-frequency detection requirements of broadband detection systems. The chip features differential IF output and supports an IF bandwidth of DC~6GHz.

The mixer GX5548 is suitable for applications where the IF frequency extends below 500MHz as well as those with IF frequencies above 500MHz, meeting the frequency band requirements of most microwave transceivers. With an integrated on-chip balun, it offers greater convenience in use. It supports broadband operation from 2 to 15GHz and features an internal LO amplification chain, enabling local oscillator operation within 1 to 12GHz, with a typical LO power requirement of only 0dBm.

The GX1000 beamformer supports an operating frequency range from 5GHz to 18GHz, covering the C-band, X-band, and Ku-band. Its wide frequency coverage enables compatibility with multi-band satellite communications. The chip integrates four receive and four transmit channels along with corresponding power combining/distributing networks, making it a highly integrated silicon-based beamforming chip. Both the receive and transmit channels support amplitude and phase control, with a phase accuracy of 7 bits, enabling phase adjustment in 2.8° increments within a 360° range. The amplitude accuracy is 6 bits, allowing for amplitude control in 0.5dB increments within a dynamic range of 31.5dB.

The seamless and efficient collaboration between the amplitude-phase control chip GX1000 and the broadband mixer GX5548 in this security radar system is crucial. The amplitude-phase control chip focuses on signal amplitude and phase modulation, achieving precise beamforming to enhance the radar system‘s detection accuracy and directionality. Meanwhile, the broadband mixer specializes in signal frequency conversion, ensuring signals remain within appropriate frequency ranges across different processing stages, enabling the system to effectively transmit, receive, and process signals.

The use of GXSC‘s amplitude-phase control chip GX1000 and broadband mixer GX5548 enables security radar systems to accurately detect and track targets in complex environments, providing reliable data support for security applications.