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 5.5dB noise figure at 1900MHz. This device uses a single 5V supply and 138mA of ICC. This device is packaged in a 4 x 4 mm, 24-QFN with 50Ω RF input and RF output impedances for ease of integration into the signal-path.
 

Features

  • 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
  • 4 × 4 mm 24-QFN package

Product Options

Orderable Part ID Part Status Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Package Buy Sample
F1421NLGK Active VFQFPN 24 K Yes Tray Package Info
Availability

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F1421NLGK8 Active VFQFPN 24 K Yes Reel Package Info
Availability

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Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
F1421 Datasheet – Datasheet PDF 2.33 MB
User Guides & Manuals
RF Product Selection Guide – Guide PDF 2.72 MB
PCNs & PDNs
PCN# : TB1912-02(R1) Convert Shipping Media
from Tube or Tray to Cut Reel 		– Product Change Notice PDF 5.71 MB
PCN# : TB1912-02 Convert Shipping Media
from Tube or Tray to Cut Reel 		– Product Change Notice PDF 5.61 MB
PCN#: TB1901-01 Add Alternate Test Location on Select Devices – Product Change Notice PDF 24.55 MB
Other
RF Amplifiers with Zero-Distortion Technology – Product Brief PDF 981 KB
IDT Products for Radio Applications 日本語 Product Brief PDF 2.34 MB
info: For device-specific or order-specific documentation, submit a support request.

Boards & Kits

Part Number Title Type Company
F1421EVB Evaluation Board for F1421 RF Amplifier 1700MHz to 2.2GHz

News & Additional Resources

Date
Working to Achieve 5G Expectations Dec 3, 2018
Fabs and Labs: IDT - Microwave Journal Feb 15, 2017
Webinar: 5 RF Innovations You Must See: An In-Depth Look at IDT's Market-Leading RF Products Jun 7, 2016
IDT Announces Broadband Differential Input RF Amplifier, Simplifying RF DAC and Integrated Transceiver-Based Designs Dec 17, 2015
IDT Surpasses 10 Million RFIC Shipments Mar 17, 2015