Description
The SKY77546 is a transmit and receive Front-End Module (FEM) designed in a compact form factor for dual-band cellular handsets comprising GSM900 and DCS1800 operation. The SKY77546 offers a complete Transmit VCO-to-Antenna and Antenna-to-Receive SAW filter solution that supports Class 12 General Packet Radio Service (GPRS) multi-slot operation and EDGE operation for handsets and modules.

Features
• High efficiency
    45% (GSM900)
    40% (DCS1800)
• Current limiting for protection and extended battery life
• Input/Output internally matched 50 Ω
• TX–VCO-to-antenna and antenna-to-RX-SAW filter RF interface
• TX harmonics below –36 dBm
• Small, low profile package
    - 7 mm x 6 mm x 0.9 mm
    - 30-pad configuration
• Low APC current: 15 μA

Applications
• Dual-band cellular handsets encompassing
    - Class 4 GSM900
    - DCS1800
    - Class 12 GPRS multi-slot operation
    - Linear EDGE operation