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L8020 - DUAL POLARISATION SWITCH TWIN LNB MULTIPLEX CONTROLLER

Description

The UTC L8020 dual polarisation switch controller is one of a wide range of satellite receiver LNB support circuits.

Features

  • Avoid external components.
  • Provides polarity detection and control.
  • Transient resistant.
  • Low input and supply current.
  • Temperature compensated input threshold.
  • Normal and inverted output available while wide supply operating range.
  • Dual polarisation switch.
  • Simplify the design.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD L8020 LINEAR INTEGRATED CIRCUIT DUAL POLARISATION SWITCH TWIN LNB MULTIPLEX CONTROLLER  DESCRIPTION The UTC L8020 dual polarisation switch controller is one of a wide range of satellite receiver LNB support circuits. Its features include completely independent channels, and every channel provides two logic outputs under the voltage sensitive input. The two inputs of the UTC L8020 have a nominal threshold of 14.5V. Their threshold is temperature compensated to minimize drift. In order to achieve the transient protection by adding only a single resistor per channel, each input has a low and stable input current. Normal and inverted outputs are provided for each input.
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