Product Features Applications

•LGA: 5.5 mm x 5.3 mm x 0.85 mm Max

•Fully programmable MIPI RFFE control

•Eightn low-insertion-loss TRx portswith enhanced linearity, for state-of-the-art 4G performance and GPS / WiFi compatibility

•High Efficiency (inclusive of coupler)

- GSM850/ GSM900 36%

- DCS1800/PCS1900 30%

• Integrated input switch for 3G/4G signal path

• 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

•MIPI RFFE control with dual-standard


- User-selectable register mappings

- Linear GMSK power control


Functional Block Diagram

Product Description

The HS8810-21 is a high-power, high-efficiency Front-End Module for GSM850/900, DCS1800, PCS1900 operation. The FEM also 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 SP10T 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 HS8810-21 provides high-power and high-efficiency Pout for GSM850/900, DCS1800, PCS1900 operation mode. As the linear-GMSK operation standard disables VRAMP input, all PA biasing depends only on MIPI mode selection. The transmitted envelope is a linear function of RF input.

The HS8810-21 can sustain 8KV ESD at Antenna port, without external components needed. The module can sustain 20:1 VSWR on Antenna Port under mismatch condition.


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