Innovative packaging shrinks 5G radio size and weight ...
Operators are increasingly focused on size and weight of 5G radios in a bid to boost network density by putting more radios on available towers, while minimising the visual impact of radios placed on poles or buildings in urban areas.
To address these concerns, NXP Semiconductors has announced a family of top-side cooled RF amplifier modules, based on a packaging innovation designed to enable thinner and lighter radios for 5G infrastructure. These smaller base stations can be more easily and cost-effectively installed, and blend more discretely into their environment. NXP's GaN multi-chip module series, combined with the industry's first top-side cooling packaging technology for RF power, helps to reduce not only the thickness and weight of the radio by more than 20 percent, but also the carbon footprint for the manufacture and deployment of 5G base stations.
"Top-side cooling represents a significant opportunity for the wireless infrastructure industry, combining high power capabilities with advanced thermal performance to enable a smaller RF subsystem," said Pierre Piel, Vice President and General Manager for Radio Power at NXP. "This innovation enables the deployment of more environmentally friendly base stations, while also enabling the network density needed to realize the full performance benefits of 5G."
NXP's new top-side cooled devices deliver significant design and manufacturing benefits, including the removal of the dedicated RF shield, use of cost-effective and streamlined printed circuit board, and separation of thermal management from RF design. These features help networking solution providers create slimmer and lighter 5G radios for mobile network operators, while reducing their overall design cycle.
The first top-side cooled RF power module series is designed for 32T32R, 200 W radios covering 3.3 GHz to 3.8 GHz. The devices combine the company's in-house LDMOS and GaN semiconductor technologies to enable high gain and efficiency with wideband performance, delivering 31 dB gain and 46 percent efficiency over 400 MHz of instantaneous bandwidth.
The A5M34TG140-TC, A5M35TG140-TC and A5M36TG140-TC products are available today. The A5M36TG140-TC will be supported by NXP's RapidRF reference board series.
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