QPA4428

    1218 MHz MMIC, CATV Push Pull, 28 dB Gain

    Key Features

    • High Gain: 28 dB @ 1218 MHz
    • Adjustable Bias
    • 47 - 1218 MHz BW
    • 47 dBmv/ch flat output power
    • Compact Size: 40P 5 x 7 QFN
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    The QPA4428 is a GaAs pHEMT/MESFET 75-ohm push-pull RF amplifier IC featuring 28 dB of flat gain and low noise. This IC is designed to support DOCSIS 3.1 applications up to 1218 MHz using a single 24 V supply. The QPA4428 offers low noise and low distortion at high efficiency consuming only 7 W in a 5 x 7 QFN package. Its compact size and low ϴjc enable integration that is ideally suited for hybrid module applications.

    Typical Applications

      • CATV Node
      • CATV Amplifiers
      • Broadband CATV hybrid modules
    Type Downstream
    Frequency Min(MHz) 45
    Frequency Max(MHz) 1,218
    Gain(dB) 28
    Pout(dBmV) > 47
    CSO(dBc) -70
    CTB(dBc) -75
    NF(dB) 4.5
    Voltage(V) 24
    Current(mA) 290
    Package Type QFN
    Package(mm) 5.0 x 7.0
    RoHS Yes
    Lead Free Yes
    Halogen Free Yes
    ITAR Restricted No
    ECCN 5A991B

    This product appears in the following application block diagrams:

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

      4 Port Optical Node RF Launch Amp