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SiGe Semiconductor introduces a trio of RF front-end modules for emerging Wi-Fi applications. The SE2521A40 delivers the efficiency and low power consumption required of embedded applications, including Wi-Fi VoIP phones; the SE2521A60 provides the balance of performance and low current consumption appropriate for PC client cards; and the SE2521A80 ensures high output power to boost the transmission range of Wi-Fi routers and access points. Each device incorporates a linear power amplifier, power detector, transmit-receive switch, and associated matching circuitry in a small package measuring 8 × 7 × 1.1 mm. Each device also integrates a power detector with 20 dB of dynamic range and a digital enable control for transmitter on/off control.

SiGe Semiconductor