SKY77500 PDF Datasheet


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Description

This is FEM. DATA SHEET SKY77500 iPAC™ FEM for Quad-Band GSM , GPRS Applications Quad-band cellular handsets comprised of - Class 4 GSM850, 900 - Class 1 DCS1800 PCS1900 - Class 12 GPRS multi-slot operation Description The SKY77500 is a transmit and receive Front End Module (FEM) designed in a low profile (1.2 mm), compact form factor for quad-band cellular handsets comprising GSM850, 900, DCS1800, and PCS1900 operation a complete transmit VCO-to-Antenna and Antenna-to-receive SAW filter solution. The FEM also supports Class 12 General Packet Radio Service (GPRS) multi-slot operation. The module consists of separate GSM850, 900 and DCS1800, PCS1900 PA blocks, internal circuitry for matching to 50 Ω input and output impedances, TX harmonics filtering, high linearity and low insertion loss PHEMT RF switches, diplexer, and an integrated power amplifier control (iPAC™) function that utilizes an internal current-sense resistor. A custom silicon integrated circuit contains decoder ci.