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PRELIMINARY PRODUCT SUMMARY
SKY77331 Power Amplifier Module with Integrated Coupler for Quad-Band GSM / EDGE
Applications
• Quad-band cellular handsets: - Class 4 GSM850/900 - DCS1800 - PCS1900 - Class 12 GPRS multi-slot operation - EDGE polar modulation
Description
The SKY77331 Power Amplifier Module (PAM) is designed in a compact form factor for quad-band cellular handsets comprising GSM850/900, DCS1800, PCS1900, and supports Class 12 General Packet Radio Service (GPRS) multi-slot operation. The module consists of a GSM850/900 PA block and a DCS1800/PCS1900 PA block, impedancematching circuitry for 50 Ω input and output impedances, a Power Amplifier Control (PAC) block, and an Integrated Coupler.