Elementum™ Wi-Fi FEMs

QWX27104

5-7 GHz Wi-Fi CMOS DPD-Efficient Linear FEM
The QuantalRF QWX27104 is a highly integrated monolithic DPD-Efficient Linear front-end module designed for high performance Wireless Local Area Network (WLAN) applications supporting all standards up to Wi-Fi 8. It features a patent-pending PA architecture providing superior linearity across all power modes, a low-loss single-pole, triple-throw (SP3T) switch and an LNA.
  • Linearity is optimized for Digital Pre-Distortion (DPD) for further improved system EVM performance across all modulation classes.
  • All RF ports are matched on-chip to 50 ohms to minimize external components and application layout area.
  • The QWX27104 is fabricated as a monolithic die in CMOS SOI technology.
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Applications

  • Wi-Fi 7 and Wi-Fi 8 systems
  • Smartphones and other portable, rechargeable battery-operated devices
  • AI wearables, AR/ VR headsets

Features

  • DPD-Efficient linear PA with superior output power and consistent linearity across all Wi-Fi channels
  • Monolithic die implementation in CMOS SOI ensures the smallest form factor
  • LNA with high gain, low power and bypass modes
  • Transmit with high power, mid power, and low power modes

Key Specifications

  • 5150 – 7125 MHz
  • 3.8V supply voltage for PA; 1.8 supply voltage for LNA
  • Transmit output power:
    – 22 dBm, HE20, MCS0, 3 dB SEM margin
    – 20 dBm, VHT80, -42 dB DEVM
    – 18 dBm, HE160, -45 dB DEVM
    – 16 dBm, EHT320, -43 dB DEVM
  • Transmit gain: 28 dB (high gain mode)
  • Current consumption: 252 mA at 21 dBm output power
  • Noise figure: 2 dB
  • Receive gain: 15 dB

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