Low Current LNA w/Bypass Tuning Range: 0.1 to 3.8 GHz

The GRF2140 is a low noise amplifier (LNA) with bypass designed for high-performance WLAN/ISM and other applications up to 3.8 GHz.

The LNA is operated from a single positive supply of 2.7 to 5.0 V with typical bias condition of 3.3 volts and 18 mA.

Consult with the GRF applications engineering team for application notes and custom tuning/evaluation board data.


  • WiFi Access Points
  • Mobile WiFi Devices
  • Cellular Boosters
  • Drones


Reference: 3.3V/18mA/2.45 GHz

  • EVB NF: 1.1 dB
  • Gain: 16.3 dB
  • Bypass Gain: -1.5 dB
  • OP1dB: 10.0 dBm
  • Flexible voltage: 2.7 to 5.0 volts
  • Optimal for low Iddq to 6 mA
  • Simple matching to 50 ohms
  • Process: GaAs pHEMT

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