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LA7674 - Color TV Single-Chip Signal Processor

Key Features

  • [VIF].
  • PLL detection (high video and audio quality).
  • High-gain VIF amplifier.
  • High speed AGC.
  • On-chip APC time constant switch [SIF].
  • Simultaneous sound IN/OUT.
  • Video/audio simultaneous muting, or audio-only muting possible [Audio-visual switch].
  • Internal/external audio-visual switch (VCC = 9V) Delay line Video external, audio external Switch rating OFF IN 6.9 to 9.0V OFF EXT 4.7 to 6.6V ON EXT 2.4 to 4.3V ON IN.

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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 : ENN4361 Monolithic Linear IC LA7674 Color TV Single-Chip Signal Processor for NTSC Systems (PLL Detection) Overview The LA7674 improves upon the black-level, horizontaljitter, switch-on drift performance of the single-chip LA7672 used to date. Also a single-chip IC, the LA7674 is for color TVs based on the NTSC (National Television System Committee) system with an on-chip circuit for all VIF, SIF, video, chroma and deflection signal processing.