Telecoms, Datacoms, Wireless, IoT


RF front end module

24 November 2010 Telecoms, Datacoms, Wireless, IoT

New from RF Micro Devices is the RF3482 front-end module which integrates a WiFi power amplifier with a single-pole, three-throw (SP3T) switch for 2,4 to 2,5 GHz ISM band applications. By integrating the complete switch functionality, the device is able to route WiFi and Bluetooth receive/transmit signals to two system-on-chip (SOC) transceivers. Additionally, the SP3T switch can act as a splitter to transmit or receive Bluetooth and WLAN signals simultaneously. The RF3482 integrates a 2,5 GHz b/g power amplifier with 16 dBm of linear output power and low EVM for 11n applications. It also integrates 2170 MHz filtering and harmonic attenuation, reducing the need for a high loss/attenuation filter at the FEM output and increasing the output power at the antenna. An integrated Rx balun eliminates the requirement for tuning components between the FEM and the SoC while the direct-to-battery connection eliminates the need for additional DC circuitry.



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