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CHA3398-98F, a new wideband Medium Power Amplifier

The CHA3398-98F is a 36-43.5GHz Medium Power Amplifier producing 24dB gain for 20dBm power.


This circuit exhibits a very high linearity with 29dBm OIP3, a gain of 24dB and a low consumption with 4V@200mA.


This product is compatible with the latest generation of Digital Pre-Distortion Techniques and is fully ESD protected.

Gain & Return Losses Versus Frequency (Vd=+4V, Idq=200mA)
Gain versus Frequency in Temperature (Vd=+3.3V, Idq=120mA)


The CHA3398-98F is suitable for a wide range of applications from military to commercial communication systems.


This product is developed using an in-house 0.15µm gate length GaAs pHEMT process.

Main Features:

  • Frequency range: 36 - 43.5GHz
  • OIP3: 29dBm
  • Linear Gain: 24dB
  • Return Losses: 8dB
  • P-1dB: 18dBm
  • DC bias: Vd=4V @ Id=200mA
  • Bare die (Exist also in QFN package CHA3398-QDG)
Output Power & PAE versus Frequency
 - Product