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. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
F1421NLGK Active NLG24P1 VFQFPN 24 K Yes Tray
Availability

Buy / Quote
F1421NLGK8 Active NLG24P1 VFQFPN 24 K Yes Reel
Availability

Buy / Quote

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
F1421 Datasheet – Datasheet PDF 2.20 MB
PCNs & PDNs
PCN#: TB1901-01 Add Alternate Test Location on Select Devices – Product Change Notice PDF 24.55 MB
Other
RF Amplifiers with Zero-Distortion? Technology – Overview PDF 1.10 MB
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.

Evaluation Boards

Part Number Title
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
Is Silicon set to Change the GaAs Mindset for VGA Applications? Apr 30, 2015
IDT Surpasses 10 Million RFIC Shipments Mar 17, 2015