The HS8816-31 is a high-power, high-efficiency Front-End Module for GSM850/900, DCS1800 and PCS1900 operation. The FEM supports Class.12 General Packet Radio Service (GPRS), EDGE multi-slot operation, and TD-SCDMA linear transmission.
The module provides 50 ohm impedance at input and output ports, consists of a CMOS Controller, a SP16T RF switch, a power amplifier supporting GSM850/900, DCS1800/PCS1900, TD-SCDMA bands 34/39.The module integrated Tx low pass harmonic filtering can achieve best harmonic performance.
The HS8816-31 provides high-power and high-efficiency Pout for GSM850/900, DCS1800, PCS1900 operation mode. In EDGE and TD-SCDMA, VRAMP voltage and MIPI-based bias settings optimize PA linearity and efficiency.
► LGA: 5.5 mm x 5.3 mm x 0.85 mm Max
► Fully programmable MIPI RFFE control
► Fourteen low-insertion-loss TRx ports (five ultra-low loss) with enhanced linearity, for state-of-the-art 4G performance and GPS / WiFi compatibility
► High Efficiency (inclusive of coupler)
• GSM850/GSM900 39%
• DCS1800/PCS1900 32%
► Tx harmonics below –40 dBm
► Current limiting and over-voltage protection for ruggedness and extended battery life
► Power control circuitry built-in for improved TRP variation
• Cellular handsets encompassing Quad-Band GSM/EDGE, Dual-Band TD-SCDMA
• Class 4 GSM850/900
• Class 1 DCS1800/PCS1900
• Class 12 GPRS multi-slot operation
• Linear EDGE operation
• TD-SCDMA Bands 34/39
Functional Block Diagram