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F1421

RF Amplifier 1700MHz to 2.2GHz

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  • Broadband 1700MHz to 2.2GHz
  • 20.3dB typical gain at 1900MHz
  • 5.5dB noise figure at 1900MHz
  • +40dBm OIP3 at 1900MHz 
  • +23dBm output P1dB at 1900MHz
  • Single 5V supply voltage
  • ICC = 138mA
  • -40 °C to +105 °C operating temperature
  • 50Ω single-ended input/output impedances
  • Standby mode for power savings
  • 4mm × 4mm 24-QFN package

The F1421 is a high gain/high linearity RF amplifier used in high-performance RF applications. The F1421 provides 20.3dB gain with +40dBm OIP3 and a 5.5dB noise figure at 1900MHz. This device uses a single 5V supply and 138mA of ICC. This device is packaged in a 4mm x 4mm, 24-QFN with 50Ω RF input and RF output impedances for ease of integration into the signal path.

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

Product Documents

Datasheet

2025-04-18

F1421 Datasheet

pdf | 2.33 MB

Design & Development (Boards and Kit)

Board Image

Evaluation Board for F1421 RF Amplifier 1700MHz to 2.2GHz

The F1421EVBI is a fully populated evaluation board which allows the customer to easily evaluate the F1421 RF amplifier.

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Part Numbers (2)

F1421NLGK

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F1421NLGK8

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