Galaxy S4为什么选用RFMD的3G/4G多模多频段PA?

三星第四代智能手机Galaxy S4采用了RFMD的多个3G/4G LTE RF元件，包括RF7388多模多频段3G/4G PA、多个RF73xx系列超高效率LTE PA和业界领先的天线控制解决方案。

RFMD蜂窝产品部总裁Eric Creviston说：“RFMD在全球领先智能手机制造商中的知名度正在快速上升，并正在将领先地位快速扩展到高增长度的LTE领域。我们期望我们的RF产品能更多地打进全球领先的LTE设备，因为2013年主要的LTE新项目正在引入或起飞。”

RF高度集成的RF7388 PA覆盖频段1、2、3、4、5、6、8、9、10、15、18、19、20、26、27、33、35、37和39，并提供多模多频段封装下业界最好的效率。与RFMD的RF7307、RF7320和RF7321超高效率卫星单频段4G LTE PA配合使用时，可分别提供对LTE频段7、20和11/21的额外覆盖。

除了RF7388、RF7307、RF7320和RF7321以外，RFMD还提供RF1119天线控制解决方案来优化和最小化Galaxy S4的天线功能。RF1119与领先的4G LTE基带兼容，设计用于在高数据速率、多频段多模应用中提供最优的RF性能。RF1119天线控制解决方案允许实现更薄的智能手机，通过降低掉话和提升数据吞吐速率帮助扩大网络覆盖范围。

RF7388多模多频段PA兼容领先的4G LTE基带，支持先进的电源管理功能，在高数据速率应用中可实现更高的系统效率。RFMD提供单模、多模和整合架构的3G/4G LTE解决方案，覆盖所有的3G、4G LTE和TD-LTE频段。

三星Galaxy S4不仅采用了RFMD的超高效率3G/4G功放和多个开关类元件，还采用了RFMD PowerSmart电源平台。

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RFMD 4G multimode PA Selected by Samsung Galaxy S4 Smartphone

【Lead-in】Galaxy S4 selected RFMD multi-mode, multi-frequency 3G/4G PA RF7388 which could covers bands 1, 2, 3, 4, 5, 6, 8, 9, 10, 15, 18, 19, 20, 26, 27, 33, 35, 37, and 39, and delivers best-in-class efficiency in a multimode multi-band package.

RFMD is global leader in the design and manufacture of high-performance radio frequency solutions RFMD, it has been selected by a leading smartphone manufacturer to supply multiple 3G/4G LTE components into a recently announced fourth-generation flagship smartphone platform. The highly anticipated smartphones will feature RFMD''''s recently announced RF7388 multimode multi-band (MMMB) 3G/4G PA, multiple variants of RFMD''''s RF73xx family of ultra-high efficiency LTE PAs, and RFMD''''s industry-leading antenna control solutions.

Eric Creviston, president of RFMD''''s Cellular Products Group, said, "RFMD is rapidly increasing our exposure to the world''''s leading smartphone manufacturers and extending our position in the high-growth LTE category. We expect to grow our content in the world''''s leading LTE devices as major new programs are introduced and ramp throughout calendar 2013."

RFMD''''s highly integrated RF7388 PA covers bands 1, 2, 3, 4, 5, 6, 8, 9, 10, 15, 18, 19, 20, 26, 27, 33, 35, 37, and 39, and delivers best-in-class efficiency in a multimode multi-band package. It is mated with RFMD''''s RF7307, RF7320, and RF7321 ultra-high efficiency satellite single-band 4G LTE PAs to provide additional coverage for LTE bands 7, 20, and 11/21, respectively.

In addition to the RF7388, RF7307, RF7320, and RF7321, RFMD will supply its RF1119 antenna control solution to optimize and miniaturize the antenna function across this global smartphone platform. The RF1119 is compatible with the leading 4G LTE basebands and is designed to deliver optimal RF performance in high data-rate, high band-count multimode applications. RFMD''''s industry-leading antenna control solutions enable thinner handsets and help extend network coverage by reducing dropped calls and increasing data throughput rates.

RFMD''''s RF7388 MMMB PA is compatible with the leading 4G LTE basebands and supports advanced power management functionality, enabling improved system-level efficiency in high data rate applications. RFMD''''s broad range of 3G/4G LTE solutions are available in single-mode, multimode, and converged architectures and cover all 3G, 4G LTE, and TD-LTE bands.

RFMD supports this top customer across all product tiers with a broad range of high-performance products, including PowerSmart power platforms, ultra-high efficiency 3G/4G power amplifiers, and multiple switch-based components.