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新闻中心
pSemi Announces High-linearity Sub-6 GHz RF Switches Reach Volume Production
2023-01-31 | 返回
SP4T Switches Deliver Industry-leading Performance for Hybrid Beamforming Systems
SAN DIEGO – January 31, 2023 – pSemi® Corporation, a Murata company focused on semiconductor integration, announces the production readiness of two new high-linearity switches targeted for the latest 5G wireless infrastructure and massive MIMO base station deployments.
By using the new high linearity switches in hybrid architecture topologies, base station designers can save valuable board space and improve thermal management, reducing the overall system’s cost, weight and power consumption. pSemi’s advanced SP4T switches deliver fast settling time plus best-in-class linearity, low insertion loss and superior power handling performance to improve spectral efficiency in sub-6 GHz active antenna systems.
5G base stations covering sub-6 GHz offer network providers an immediate path to wider bandwidths and increased data throughput. Newly licensed spectrum allocations in 3–5 GHz and 6.4–7.1 GHz, along with added antenna design complexities, create the need for new hybrid beamforming and phase-shifting topologies. Massive MIMO systems use hybrid architectures to minimize power-hungry digital processing and reduce the number of power amplifier components. These hybrid architectures offer the ideal balance of digital and analog, combining the flexibility of digital beamforming with the power efficiency and design simplicity at the analog RF front end (RFFE).
Two back-to-back pSemi SP4T switches with selectable phase shifts enable the analog beam control utilized in hybrid beamforming architectures. This phase shifter topology improves antenna beam steering and control in active antenna systems.
Features & Benefits
High Linearity RF Switches
Covering a frequency range of 1.8 to 5 GHz, each UltraCMOS® PE42443 and PE42444 switch delivers industry-leading RF performance across the n41, n77, n78 and n79 bands. Available in two pin-to-pin compatible configurations, the PE42443 (negative and positive supply voltage) and the PE42444 (positive supply voltage only) are offered in 4 x 4 mm LGA packages.
>Spectral efficiency — High linearity and high-power handling maximizes data throughput.
>Energy conservation — Low insertion loss improves overall system efficiency.
>Flexible beam management — Fast switching speed supports symbol-level analog beam adjustments to enable massive MIMO systems.
Source: http://www.psemi.com