SKY77555 Description
The SKY77555 is a transmit and receive front-end module (FEM) based on CMOS Power Amplifier for dual-band cellular handsets prising GSM900 and DCS1800 operation. Designed in a low profile, pact form factor, the SKY77555 offers a plete Transmit VCO-to-Antenna and Antenna-toReceive SAW filter solution. The FEM also supports Class 12 General Packet Radio Service (GPRS) multi-slot operation.
SKY77555 Key Features
- Efficiency
- 36% GSM (33.0 dBm)
- 29% DCS (30.5 dBm)
- Log linear power control response with <100 dB/V power control slope
- Low Rx band noise
- Supply current
- 1.58 A GSM (33.0 dBm)
- 1.10 A DCS (30.5 dBm)
- Fully integrated closed loop
- 50 Ω matched Input/Output