SKY85743-21

5 GHz High-Power WLAN Front-End Module

The SKY85743-21 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 high-gain low-noise amplifier (LNA) with bypass, and a 5 GHz power amplifier (PA) intended for high-power 802.11ax applications and systems.

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.

The device is provided in a compact, 24-pin 3 x 5 mm conformally shielded Land Grid Array (LGA) package, which may reduce the front-end board space by more than 50 percent.

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Product Summary
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Specifications

Product LifecycleIn Production
Frequency (GHz) Min.5.15
Frequency (GHz) Max.5.925
802.11 WLAN Standardax
Antenna Ports1
Architecture5 GHz High-Power WLAN Front-End Module
PackageLGA, 24-pin
Package (mm)3 x 5 x 1.2

Features

  • Integrated high-performance 5 GHz PA, LNA with bypass, and T/R switch
  • Fully matched input and output
  • 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
  • Conformally shielded part
  • Integrated, temperature-compensated log detector
  • Highly sensitive, jammer-tolerant (> +10 dBm IIP3), high gain (16 dB) LNA
  • Small (24-pin, 3 x 5 mm) conformally shielded package (MSL3, 260°C per JEDEC J-STD-020)

Product Documents

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