1.7 - 2.7GHz 1 Watt High Linearity Amplifier

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Broadcom’ ALM-31222 is a high linearity 1 Watt PA with good OIP3 performance and exceptionally good PAE at 1dB gain compression point, achieved through the use of  Broadcom’ proprietary 0.25um GaAs Enhancement-mode pHEMT process.


  • Fully matched, input and output
  • High linearity and P1dB
  • Unconditionally stable across load condition
  • Built-in adjustable temperature-compensated internal bias circuitry
  • GaAs E-pHEMT Technology[1]
  • 5V supply
  • Excellent uniformity in product specifications
  • Tape-and-Reel packaging option available
  • MSL-3 and Lead-free
  • High MTTF for base station application


  • Class A driver amplifier for GSM/PCS/W-CDMA/WiMAX Base Stations
  • General purpose gain block

Lifecycle Status

Not Recommended for New Design

Replacement Part

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Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Not Recommended for New Design
RoHS6 Compliant Y
Distrib. Inventory Yes
Frequency (GHz) 1.7-2.7
Bias Condition (V@mA) 5V@415mA
NF (dB) 2.7
Gain (dB) 14.9
P1dB (dBm) 31.5
OIP3 (dBm) 47.9
Package SMT 5x6