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F1431B

High Linearity RF DVGA 0.35GHz to 3GHz

Datasheet

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  • 0.35GHz to 3GHz operating range
  • 14.3dB typical gain at 2GHz
  • Glitch-Free™ 23dB gain adjustment
  • 0.5dB step size
  • 4.2dB NF at 2GHz
  • +41.1dBm OIP3 at 2GHz
  • +23.3dBm output P1dB at 2GHz
  • Single 5V supply voltage
  • IDD = 150mA
  • 50Ω single-ended input/output impedances
  • 1.8V and 3.3V logic support
  • Standby Mode for power savings
  • Operating temperature (TCASE) range: -40 °C to +105 °C
  • 4mm × 4mm, 24-TQFN package

The F1431B is a high linearity RF Digital Variable Gain Amplifier, (DVGA) used as the power amplifier driver in transmitter applications. The F1431B provides 14dB gain, +41.1dBm OIP3, and a 4.2dB noise figure (NF) at 2.0GHz. The digital step attenuator (DSA) has a 23dB range with a 0.5dB step size and operates from 0.35GHz to 3GHz with one tuning circuit. This device uses a single 5V supply and 150mA of current.

  • Multi-mode, multi-carrier transmitters
  • TETRA frequency bands
  • GSM850/900 base stations
  • PCS1900 base stations
  • DCS1800 base stations
  • WiMAX and LTE base stations
  • UMTS/WCDMA 3G base stations
  • PHS/PAS base stations
  • Public safety infrastructure

Design & Development (Boards and Kit)

Board Image

Evaluation Board for the F1431B High Linearity RF DVGA

The F1431BEVB is a fully-populated evaluation board which allows the customer to easily evaluate the F1431B differential input amplifier. Component placement of the output matching components C5, L1, and C6 is critical and these components should be placed as close to pin 1 of the F1431B as possible. Renesas recommends the customer seek guidance for board layout. PCB Gerber files upon request.

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F1431BNBGK

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F1431BNBGK8

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