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Главная > Конверторы > Down Converter KU LNC 5257 A PRO

Down Converter KU LNC 5257 A PRO



This converter is designed for radio link applications at 5.7 GHz. The C-Band is converted to the L-Band range from 1150 to 1700 MHz. By the use of the latest semiconductors, optimized band pass filters and a low noise VCO, a high dynamic range and low phase noise of only -100 dBc/Hz @ 100 kHz are achieved. Due to low frequency drift of typ. +/- 20 kHz within 0…+40 °C the converter may be used for all digital modulation types. Typical applications are DVB-S, DVB-T, WCS and other systems using COFDM and QPSK modulation.

Features

  • Low noise figure
  • High gain
  • High frequency stability of the oscillator
  • Low phase noise oscillator
  • Over voltage protection otection

    Applications

  • Digital broadcast systems (DVB-T, DVB-S)
  • Analog and digital transmission systems

    Specifications

    Type KU LNC 5257 A PRO
    Input Frequency (RF) 5150 … 5700 MHz
    Output Frequency (IF) 1150 … 1700 MHz
    LO Frequency 4000 MHz
    LO Accuracy @ 18°C +/- 10 kHz
    LO Frequency Stability +/- 20 kHz (0 … +40 °C)
    Phase Noise @ 100 kHz typ. -100 dBc/Hz
    Gain min. 35 dB
    Noise Figure typ. 1.1 dB, max. 1.3 dB
    Supply Voltage +9 ... 18 V DC, supply via IF connector (remote power supply)
    RF Input Level (max.) 1 mW
    Current Consumption typ. 220 mA
    Input Connector / Impedance N, female / 50 Ohms
    Output Connector / Impedance N, female / 50 Ohms
    Dimensions in mm 82 x 64 x 22
    Case Milled aluminium case, water resistant