QPA9903

    1805 - 1880 MHz, 4 Watt High Efficiency Amplifier

    Key Features

    • 1805 - 1880 MHz
    • +36 dBm P3dB
    • 33.8% PAE at +28 dB power output
    • Better than -50 dBc ACPR DPD linearized at +28 dBm power output
    • 32 dB gain typical cross the band
    • 1.8 V logic compatible PA ON/OFF control
    • On chip ESD protection
    • 5.0 × 5.0 mm package

    The QPA9903 is a high-efficiency, linearizable power amplifier targeting Band 3 small-cell wireless infrastructure systems. Using InGaP/GaAs HBT technology, the product delivers high efficiency of 33.8% at +28dBm average output power while providing excellent DPD linearized ACPR of -50dBc for signal bandwidths of up to 60MHz.

    The QPA9903 is housed in a 5x5mm SMT package. It is pin-to-pin compatible to QPA9908 (band 8 high-efficiency small cell PA).

    Typical Applications

      • 3GPP band 3 small cells
      • mMIMO
      • Repeaters/DAS
      • Mobile infrastructure
      • General purpose wireless
    Frequency Min(GHz) 1.805
    Frequency Max(GHz) 1.88
    Pout(dBm) 28
    Psat(dBm) 36
    Gain(dB) 32
    PAE(%) 33.8
    Voltage(V) 5
    Current(mA) 360
    Package(mm) 5.0 x 5.0
    RoHS Yes
    Lead Free No
    Halogen Free Yes
    ITAR Restricted No
    ECCN 5A991.B

    This product appears in the following application block diagrams:

    • Applications > Network Infrastructure > Wireless Infrastructure > Small Cells FDD

      Small Cells FDD