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F1440

500MHz to 1000MHz Configurable 50Ω or 100Ω DIFF-In to 50Ω SE-Out Variable Gain Amplifier

Datasheet

Product Details

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  • 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: -40 °C to +105 °C
  • 5mm x 5mm 32-VFQFPN package

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.

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

Design & Development (Boards and Kit)

Board Image

F1440 High-linearity Variable Gain Amplifier Evaluation Kit

The F1440EVK is a fully populated evaluation board that allows the customer to evaluate the F1440 Variable Gain Amplifier with an integrated digital step attenuator. The F1440 is controlled with serial communication input using a USB digital interface board that connects to the PC.

The F1440EVK consists of the following:

  • F1440 Evaluation Board
  • USB Digital Interface Board
  • USB Cable (USB-A to USB-B micro)

The F1440 Evaluation Board consists of the following:

  • SMA connectors for RF IOs and power supply connection
  • Header pins for power supply and digital interface connection
  • Jumper configurable power supply connection
  • Clip-on test point access for voltage sense

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