QPB3311

    5 - 210 MHz, 15.2 dB, Single Ended, DOCSIS 3.1 Reverse Amplifier

    Discontinued >

    End of Life announced May 17, 2023 (PCN 23-0082).
    Last Time Buy: November 27, 2023
    Recommended replacement for new designs: QPL7420
    Contact your local sales representative for assistance.

    Key Features

    • High Linearity Single Ended MMIC
    • 5 MHz - 210 MHz Operation
    • Gain; 15.2 dB typical
    • 3.8 dB NF
    • Adjustable Bias using external Resistors
    • SOIC-8

    The QPB3311 is an HBT RF balanced Amplifier IC operating as a return path amplifier capable of supporting DOCSIS 3.1 applications. This IC is designed to provide low noise, High Gain for 5 - 210 MHz interface using 8V power supply. The QPB3311 is packaged in a SOIC-8 with externally adjustable bias control.

    Typical Applications

      • Return Path Amplifiers
      • Head End CMTS equipment
      • DOCSIS 3.1 Optical Nodes
      • Residential amplifiers and splitters
    Type Upstream
    Frequency Min(MHz) 5
    Frequency Max(MHz) 210
    Gain(dB) 15.2
    NF(dB) 3.8
    Voltage(V) 8
    Current(mA) 172
    Package Type SOIC-8
    RoHS Yes
    Lead Free Yes
    Halogen Free Yes
    ITAR Restricted No
    ECCN 5A991G

    This product appears in the following application block diagrams:

    • Applications > Network Infrastructure > Broadband Access > Cable TV > CATV Drop Amplifier

      CATV Drop Amplifier

    • Applications > Network Infrastructure > Broadband Access > Cable TV > 4 Port Optical Node RF Launch Amp

      4 Port Optical Node RF Launch Amp