SKY77425 Front-End Module for CDMA(Tx 824-849 MHz), (Rx 869-894 MHz)
The SKY77425 Front-End Module (FEM) is a fully matched, 20-pad surface mount module developed for CDMA applications. Small and efficient, this CDMA FEM integrates the interstage filter, the input matching, the power amplifier, the output matching, the directional coupler, and the duplexer into a single 4 mm x 7 mm x 1.1 mm package. The SKY77425 meets the stringent spectral requirements of IS95/I98 standards up to 26.0 dBm output power. The FEM includes an InGaP HBT PA incorporating three selectable bias levels to enhance the performance of the FEM at different power levels. Integration of the RF front-end greatly simplifies the design of the handset radio as all critical matching between the interstage filter, PA, directional coupler, and duplexer is optimized within the module. By optimizing the efficiency of the InGaP HBT PA MMIC and reducing the RF loss between the integrated components, this FEM achieves current as low as 500 mA at maximum output power (26.0 dBm) that significantly improves the talk time of the CDMA handset. This small package uses SKYWORKS’ low cost, multi-laminate substrate technology and is approximately half the size of individually packaged component solutions. The SKY77425 front-end module can save handset designers significant board space and design-cycle time.
技术特性
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应用领域 APPLICATION
订购信息 Ordering Information
功能框图 Functional Block Diagram
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| 应用技术支持与电子电路设计开发资源下载 | 版本信息 | 大小 |
| SKY77425 数据资料DataSheet下载:pdf | Rev.V2 | 2 页 |
