Tx-Rx FEM Based on CMOS PA for Dual-Band GSM / GPRS (880-915 MHz and 1710-1785 MHz)

Description The SKY77555 is a transmit and receive front-end module (FEM) based on CMOS Power Amplifier for dual-band cellular handsets comprising GSM900 and DCS1800 operation. Designed in a low profile, compact form factor, the SKY77555 offers a complete Transmit VCO-to-Antenna and Antenna-to

Tx–Rx FEM Based on CMOS PA for Dual-Band GSM / GPRS (880–915 MHz and 1710–1785 MHz)

Description\nThe SKY77555 is a transmit and receive front-end module (FEM) based on CMOS Power Amplifier for dual-band cellular handsets comprising GSM900 and DCS1800 operation. Designed in a low profile, compact form factor, the SKY77555 offers a complete Transmit VCO-to-Antenna and Antenna-to Rece • Efficiency\n   - 36% GSM (33.0 dBm)\n   - 29% DCS (30.5 dBm)\n• Log linear power control response with <100 dB/V power control slope\n• Low Rx band noise\n• Supply current\n   - 1.58 A GSM (33.0 dBm)\n   - 1.10 A DCS (30.5 dBm)\n• Fully integrated closed loop\n• 50 Ω matched Input/Output\n;