SKY85728-11

5 GHz WLAN Front-End Module

The SKY85728-11 is a highly integrated, 5 GHz front-end module (FEM) incorporating a 5 GHz single-pole, double-throw (SPDT) transmit/receive (T/R) switch, a 5 GHz high-gain low-noise amplifier (LNA) with bypass, and a 5 GHz power amplifier (PA) intended for high-power 802.11ac applications and systems.

The LNA and PA disable functions ensure low leakage current in the off mode. An integrated power detector is included to provide closed-loop power control within the system.

The device is provided in a compact, 24-pin 3 x 5 mm Quad Flat No-Lead (QFN) package, which may reduce the front-end board space by more than 50 percent.

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Features

    • Integrated high-performance 5 GHz PA, LNA with bypass, and T/R switch
    • Fully matched input and output
    • Integrated power detector and directional coupler
    • Transmit gain: 32 dB
    • Receive gain: > 15 dB
    • Output power: +22.5 dBm @ –35 dB DEVM, HT80, MCS9, 5 V
    • Output power: +23 dBm @ –30 dB DEVM, HT40, MCS7, 5 V
    • Small QFN (24-pin, 3 x 5 mm) package (MSL3, 260 °C per JEDEC J-STD-020)

Images & Diagrams

Specifications

    • 5.15
    • 5.85
    • 23
    • 340
    • ac
    • 5 GHz WLAN Front-End Module
    • 32
    • QFN, 24-pin
    • 3 x 5 x 1.2