On February 9th, Zhenxin Technology made a significant announcement by introducing its state-of-the-art, fully digital multi-beamforming chip, the GM5900A. This innovative chip is specifically crafted to cater to the demands of commercial space enterprises such as SpaceX and OneWeb, which are at the forefront of deploying large Low Earth Orbit (LEO) satellite constellations and their corresponding phased array multi-beam communication payloads.
The GM5900A is a remarkable 32-transmit, 32-receive Digital Beamforming (DBF) chip, engineered to streamline the engineering intricacies associated with fully digital phased arrays. It serves as a cornerstone technology, facilitating the miniaturization, cost-efficiency, and power optimization of these advanced systems. The chip seamlessly integrates essential modules, including SerDes transceivers and DBF processing circuits, occupying a mere quarter of the space required by an FPGA, thus offering substantial savings in board real estate.
In terms of communication, the GM5900A interfaces with external processors through an SPI port, enabling swift and effortless configuration of diverse parameters. This feature enhances the chip's versatility and ease of integration into various systems. The chip boasts 32 pairs of transmit-receive SerDes, capable of supporting channel rates up to a staggering 25Gbps. This capability allows for the synthesis of up to 1GHz of instantaneous bandwidth and the formation of up to 16 beams, thereby meeting the stringent requirements for high data throughput.
Moreover, the GM5900A's high-speed interfaces adhere to the JESD204B/C protocol, ensuring seamless synchronization both within the chip itself, across multiple chips, and on the board level. This synchronization capability is crucial for maintaining signal integrity and performance in complex communication systems.
Given its versatility and advanced features, the GM5900A chip is poised for widespread application across various domains, including 5G networks, radar systems, and satellite communications. It stands as a pivotal component, providing robust support for future scenarios that demand high-speed communication and multi-beam capabilities.
