The F1440 is a high-linearity variable gain RF amplifier with an integrated digital step attenuator (DSA) designed to operate within the 500MHz to 1000MHz frequency range. Using a single 5V power supply, the F1440 typically provides 42.5dB of gain, 3.2dB of noise figure, 41.5dBm of OIP3, and 30dBm OP1dB at its maximum gain setting.


  • Frequency range: 500MHz to 1000MHz
  • 42.5dB typical gain at 750MHz
  • 3.2dB typical NF at 750MHz
  • 41.5dBm typical OIP3 at 750MHz
  • 30dBm typical OP1dB at 750MHz
  • Configurable 50Ω or 100Ω differential input impedance through external input BOM change
  • 31.5dB DSA range with 0.5dB step size
  • 5V power supply
  • 305mA typical quiescent current consumption
  • 1.8V and 3.3V SPI SDI logic compatible
  • 1.8V SPI SDO logic compatible
  • SPI control for DSA attenuation
  • Disable mode for power savings
  • Operating temperature (TEPAD) range: -40C to +105°C
  • 5 × 5 mm 32-VFQFPN package




  • FDD or TDD 5G sub-6GHz wireless infrastructure
  • Repeaters and DAS
  • General-purpose RF


Type Title Date
Datasheet Log in to Download PDF 2.09 MB
Guide PDF 2.24 MB
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