Product Summary

The SKY77524-15 is a Tx Front End Module (FEM) designed in a compact form factor for quad-band cellular handsets comprising GSM850/900, DCS1800, PCS1900, supporting GMSK and linear EDGE modulation. Class 12 General Packet Radio Service (GPRS) multi-slot operation is also supported. The SKY77524-15 consists of a GSM850/900 PA block and a DCS1800/PCS1900 PA block, impedancematchingcircuitry for 50 Ω input and output impedances, a multifunction power amplifier control (MFC) block, low pass harmonic rejection filters, and an SP6T Antenna T/R switch. The applications of the SKY77524-15 include Quad-band cellular handsets: GMSK Modulation: Class 4 GSM850/900, Class 1 DCS1800/PCS1900; Class 12 GPRS multi-slot operation, EDGE modulation: Class E2 GSM850/900; Class E2 DCS1800/PCS1900.

Features

SKY77524-15 features: (1)High efficiency: GSM850, 38% @ 32.7 dBm; GSM900, 38% @ 32.7 dBm; DCS1800, 33% @ 30.9 dBm; PCS1900, 31% @30.9 dBm; (2)Low loss PHEMT RF antenna switch; (3)Detector output: linear V/V; (4)Small outline: 8 x 6 mm; (5)Low profile: 1.12 mm Max.; (6)Low VRAMP current.

Diagrams

SKY77524-15 block diagram