UAMC – Compact Band-Pass Unit

Compact Line-Matching Unit for PLC systems over HV lines


Band-pass filter configuration. Can include a built-in differential hybrid circuit.

Key features: 


  • Designed according to IEC 60481 standard (composite loss ≤ 2 dB and
 return loss ≥ 12 dB in the selected bandwidth).
  • Nominal power (P.E.P): 400 W for two tones.
  • Distortion and intermodulation: 80 dB below the level corresponding
 to the nominal P.E.P.
  • Band-pass filter configuration.
  • Can be equipped with a differential hybrid circuit.
  • Power frequency insulation: >5 kVrms.
  • Frequency range: 40÷500 kHz.
  • Coupling capacitor: 2 to 10 nF.
  • Equipment-side impedance: 75 and 150 Ω. Others on request.
  • Line-side impedance: 25 to 750 Ω.
  • Protection elements:
 Line side: drain coil, earthing switch, air-gap surge arrester
 and an optional solid-state surge arrester.
 Equipment side: gas surge arrester.
  • Box: GRP (glass-fibre reinforced polyester) in RAL-7035.
 Cover: Polycarbonate (UV).

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