SKY77413

Front-end Module for WCDMA (824-849 MHz)

The SKY77413 Front-End Module (FEM) is a fully matched, 22-pin surface mount module developed for WCDMA applications. Small and efficient, this WCDMA FEM integrates the interstage filter, the input matching, the power amplifier, the output matching, the power detection, and the duplexer into a single 5 mm x 8 mm x 1.5 mm package.

The SKY77413 meets the stringent spectral requirements of HSDPA (High Speed Downlink Packet Access) up to 23.9 dBm output power. The FEM incorporates an InGaP HBT PA and contains circuitry to optimize power detector performance. Different control pins are available 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, power detection, 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 450 mA at maximum output power (24.8 dBm) that significantly improves the talk time of the WCDMA handset. This small package uses Skyworks’ low cost, multi-laminate substrate technology and is approximately half the size of individually-packaged component solutions. The SKY77413 front-end module can save handset designers significant board space and design-cycle time.

Product Summary

Talk to Sales ECAD Model

Specifications

DescriptionFEM for WCDMA

Typical Gain (dB)25

Supply Voltage (V)3.2-4.2

PackageMCM, 22-pin

Package (mm)5 x 8 x 1.5

Features

HSDPA (High Speed Downlink Packet Access)
Low quiescent current: 20 mA
Low current consumption: 450 mA
Integrated Power Detector
22-pin package
Small profile: 5 mm x 8 mm x 1.5 mm
Low voltage: 3.2 V to 4.2 V
Digital enable pin
Highly integrated, user friendly solution
InGaP HBT
Integrated interstage filter and duplexer
Requires few external components

Product Documents

Applications

Smartphones

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4G LTE

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