5 GHz WLAN Front-End Module (FEM): SKY85743-21

Source: Skyworks Solutions, Inc.

5 GHz WLAN Front-End Module (FEM): SKY85743-21

The SKY85743-21 is a 5 GHz WLAN Front-End Module (FEM) that is highly integrated and ideal for indoor and outdoor 802.11ax networking systems, and WLAN-enabled wireless video streaming systems.

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The SKY85743-21 front-end module incorporates a 5 GHz single-pole, double-throw (SPDT) transmit/receive (T/R) switch, a 5 GHz low-noise amplifier with bypass, and a 5 GHz power amplifier. The LNA and PA disable functions ensure low leakage current in the off mode. An integrated logarithmic power detector is included to provide closed-loop power control over 20 dB of dynamic range.

Additional features include:

  • Integrated logarithmic power detector and directional coupler
  • Transmit gain: 32 dB typical
  • Supports 802.11ax: output power:
    • +21 dBm, -43 dB DEVM, MCS11
    • +22 dBm, -40 dB DEVM, MCS11
    • +24 dBm, -35 dB DEVM, MCS9
  • Small (24-pin, 3 x 5 mm) conformally shielded package

For additional features and specifications on the SKY85743-21, download the available datasheet.

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