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Qorvo FEM For WiFi7


The Qorvo QPF4209 is an integrated front end module (FEM) designed for Wi-Fi 7 (802.11be) systems. The small form factor and integrated matching minimizes layout area in the application.


Performance is focused on optimizing the PA for a 5V supply voltage that minimizes power consumption to allow for systems that use digital pre-distortion to achieve the highest linear output power and leading edge throughput for the RF chain.

A coupler with RF output is integrated for DPD feedback training. For power control a broad range, constant slope voltage logarithmic power detector is provided for application feedback.

The QPF4209 integrates a 2.4 GHz power amplifier (PA), single pole two throw switch (SP2T) and bypassable low noise amplifier (LNA) into a single device.

QPF4209.png

Key Features

  • PSAT = +32 dBm

  • Corrected DEVM

  • POUT = +20 dBm MCS13 EHT20 -47 dB Dynamic EVM

  • POUT = +22 dBm MCS11 HE20 -43 dB Dynamic EVM

  • POUT = +25 dBm MCS8 VHT20 -35 dB Dynamic EVM

  • POUT = +26 dBm MCS7 HT20 -30 dB Dynamic EVM

  • POUT = +28 dBm MCS0 HT20 Spectral Mask Compliance

  • DC Power = 1.5 W at +27 dBm

  • 35 dB Tx Gain

  • 1.7 dB Noise Figure

  • >15 dB 5 – 7 GHz Rejection on Rx Path

  • Integrated RF Coupler & DC Logarithmic Power Detector


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