Part Details

High Frequency Power-LNA

The GRF5511 is a high linearity PA /Linear Driver with low noise figure (NF). It delivers excellent P1dB, IP3 and NF over a wide range of frequencies with fractional bandwidths >15% and is well suited to demanding 802.11ac 5 GHz PA applications.

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


  • PA/Driver for 802.11ac
  • Linear Driver Amplifier for High PAR Waveforms
  • Multi-stage LNA
  • Microwave Backhaul


Reference: 5V/100mA/5.5GHz

  • Gain: 15.4 dB
  • OP1dB: 25.8 dBm
  • OIP3: 44.0 dBm
  • Eval Board NF: 1.7 dB

Reference: 8V/150mA/5.5 GHz

  • Gain: 15.7 dB
  • OP1dB: 29.5 dBm
  • OIP3: 44.3 dBm
  • Eval Board NF: 1.8 dB
  • Flexible Bias Voltage and Current
  • Process: GaAs pHEMT