LBAW技术

Search documents
全球首款XBAR滤波器,正式发布
半导体行业观察· 2025-07-10 01:01
Core Viewpoint - Murata Manufacturing is ramping up production and delivery of its first high-frequency filter utilizing XBAR technology, which combines proprietary surface acoustic wave (SAW) filter technology with Resonant Inc.'s XBAR technology, essential for modern wireless technologies like 5G, Wi-Fi 6E, Wi-Fi 7, and emerging 6G [3][4] Group 1: Product Features and Performance - The new XBAR filter overcomes limitations of traditional methods, achieving high attenuation performance while maintaining wide bandwidth and low signal loss, crucial for high-speed, high-capacity wireless communication [4] - Key performance parameters include a passband of 5150 to 7125 MHz, a typical insertion loss of 2.2 dB, and a typical return loss of 17 dB, with attenuation values of 11 dB at 4800 to 5000 MHz, 28 dB at 3300 to 4800 MHz, 27 dB at 7737 to 8237 MHz, and 26 dB at 10300 to 14250 MHz [4] Group 2: Market Context and Demand - The demand for reliable high-frequency communication is growing with the widespread deployment of 5G and the future development of 6G, alongside the expansion of WLAN standards like Wi-Fi 6E and Wi-Fi 7 into higher frequency ranges [3] - The mobile phone service and network expansion drive the need for wider and higher frequency bands, with 5G applications requiring frequencies below 6 GHz and into millimeter-wave bands [6][7] Group 3: Competitive Landscape and Intellectual Property - The acoustic filter industry has matured, with major players like Murata and Skyworks leading in SAW IP, while Broadcom dominates in BAW IP, indicating a competitive landscape [6] - Since Murata's acquisition of Resonant in 2022, the strong intellectual property (IP) portfolio has bolstered its position in 5G high-frequency filter development, although competition is increasing with other companies filing LBAW technology patents [9][12] - The IP landscape is evolving, with Chinese companies like Shenzhen Feiyang Technology and others showing increased interest and R&D efforts in LBAW technology, indicating a shift in competitive dynamics [9][13]