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LA75665NV - VIF/SIF IF Signal-Processing Circuit

Key Features

  • No coils are used in the AFT and SIF blocks, making these circuits adjustment free.
  • PAL / NTSC multisound system can be constructed easily.
  • Built-in buzz canceller for excellent audio performance 24 7.8 5.6 Functions [VIF Block].
  • VIF amplifier.
  • PLL detector.
  • BNC.
  • RF AGC.
  • EQ amplifier.
  • AFT.
  • IF AGC.
  • Buzz canceller 1 1.5max (0.33) 0.65 0.22 (1.3) 0.15 SANYO: SSOP24 (275mil) Any and all SANYO.

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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 : ENN7162 Monolithic Linear IC LA75665NV VIF/SIF IF Signal-Processing Circuit with TV/VCR PAL and NTSC Multisound Support Overview The LA75665NV is a VIF/SIF IC that supports PAL and NTSC multisound and that adopts a semi-adjustment-free system. To simplify adjustment, the VIF block adopts a technique in which AFT adjustment is no longer required by VCO adjustment. The SIF block supports audio multidetection by adopting a PLL detection technique. The SIF block provides 4 inputs with IC internal switching for easy design of multi-sound systems. Additionally, these switches can also be used for video system sound trap switching. The LA75665NV also includes a buzz canceller that suppresses Nyquist buzz to achieve improved audio quality.