Status: End of Life
The SST12LF02 is a 2.4 GHz Front-end Module (FEM) designed in compliance with IEEE 802.11b/g/n applications. It combines a high-performance Power Amplifier (PA) and a switch. There are three components to the FEM: the Receiver (RX) chain, the Transmitter (TX) chain, and the Bluetooth® (BT) chain. The TX chain includes a high-efficiency PA based on the InGaP/GaAs HBT technology. This chain typically provides 29 dB gain with 30% power-added efficiency (PAE) @ POUT = 22 dBm for 802.11g and 29% PAE@POUT = 22 dBm for 802.11b The TX chain has excellent linearity, typically ~2.5% added EVM at 18 dBm output power which is essential for 54 Mbps 802.11g operation while meeting 802.11g spectrum mask at 22 dBm. The SST12LF02 also features easy board-level usage along with high-speed power-up/down controls. Ultra-low reference current (total IREF ~2 mA) makes the SST12LF02 controllable by an on/off switching signal directly from the baseband chip. These features, coupled with low operating current, make the SST12LF02 ideal for the final stage power amplification in battery-powered 802.11b/g/n WLAN transmitter applications.
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