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Главная > Усилители мощности > Linear MOSFET Power Amplifier KU PA 2345 A

Linear MOSFET Power Amplifier KU PA 2345 A



This new power amplifier using LD-MOSFET technology provides high linearity and high efficiency (up to 50 %). Since the amplifier is thermally very stable and highly linear, it can be used for all operating modes. Typical applications are DAB / COFDM / QPSK / DATV / DVB-S / DVB-T.

Features

  • High voltage and reverse polarity protection
  • Built-in directional coupler with detector for monitoring the output power - MON -

    Applications

  • Especially usable for DATV

    Specifications

    Type KU PA 2345 A
    Frequency range 2300...2500 MHz
    Input power typ. 1.6 W, max. 3 W
    Small signal gain min. 13 dB, typ. 14 dB
    Gain flatness max. +/- 1 dB
    Output power P1 dB min. 40 W (CW)
    Saturation output power typ. 50 W (CW)
    Output power COFDM max. 10 W
    Efficiency typ. 40 % @ 45 W (CW)
    IM 3 @ 45 W PEP min. -38 dBc
    Harmonic rejection 23 dB @ 45 W
    Input VSWR min. 8 dB
    Maximum load VSWR 1:1.8
    Maximum case temperature 55 °C
    Supply voltage + 28 V
    Current consumption typ. 4 A @ 40 W, max. 4.5 A
    Quiescent current typ. 700 mA
    Input connector SMA-female / 50 ohms
    Output connector SMA-female / 50 ohms
    Dimensions (mm) 80 x 60 x 20
    Case milled aluminium
    Weight typ. 145 g