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LA7577 - Super-split PLL-II VIF and SIF IF Signal Processor

Features

  • Employs split processing for wide bandwidth video characteristics.
  • PLL detector with buzz canceler for excellent buzz and buzz beat characteristics.
  • APC time constant switch built-in.
  • High-speed AGC supports double time constant method.
  • SIF carrier level AGC in the 1st SIF stage for good SIF weak electric field characteristics.
  • Good differential gain and phase characteristics.
  • RF AGC easily adjusted using a variable resistor Functio.

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Part Number Description
LA7577N Super-split PLL-II VIF and SIF IF Signal Processor
LA7570 TV /VTR IF Signal Processor
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number: EN 4037C Monolithic Linear IC LA7577N Super-split PLL-II VIF and SIF IF Signal Processor for TV/VTRs Overview The LA7577N is a high tone quality and high picture quality, video IF and sound IF IC. It employs split processing of the video IF signal and sound IF signal using SAW filters and a PLL detector. Further, the PLL detector incorporates a buzz canceler for Nyquist buzz interference suppression to achieve high tone quality.
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