SKY85712-21

5 GHz WLAN Front-end Module

The SKY85712-21 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 Low-Noise Amplifier (LNA) with bypass, and a 5 GHz Power Amplifier (PA) intended for mobile/portable 802.11ac applications and systems.

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

The device is provided in a compact, 16-pin 3 x 3 mm Quad Flat No-Lead (QFN) package.
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Product Documents

  • Data Sheets
  • SKY85712-21: 5 GHz WLAN Front-End Module

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: 27 dB
    • Receive gain: 12 dB
    • Output power: +19 dBm @ 1.8% EVM, HT80, MCS9, 5 V/4.2 V
    • Output power: +20 dBm @ 3% EVM, HT40, MCS7, 5 V/4.2 V
    • Small, QFN (16-pin, 3 x 3 mm) package (MSL3, 260 °C per JEDEC J-STD-020

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Specifications

    • 5.15
    • 5.85
    • 20 (3% EVM)
    • 275 (11ac,19dBm)
    • ac
    • 1
    • 5 GHz WLAN Front-End Module
    • 17 (@ 1.8% EVM)
    • 27
    • 5
    • QFN, 16-pin
    • 3.0 x 3.0 x 0.55
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