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LA7578N - IF Signal Processing (Super PLL-II VIF + SIF) Circuit

Features

  • [VIF Block] VIF amplifier VCO APC filter B/W NC AFT IF AGC . PLL detector . Equalizer amplifier . Lock detection . RF AGC . APC detector . Buzz canceller . FM quadrature detector . AV mute (pin 4) SANYO : DIP24S . Excellent buzz and buzz-beat characteristics due to PLL system with buzz canceller. . detection Built-in APC time constant switch. . Duplicate time constant system suited for high-speed AGC. . Excellent DG and DP characteristics. . RF AGC adjustment is simple. SANYO Electric Co. ,L.

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Other Datasheets by SANYO (now Panasonic)

Part Number Description
LA7570 TV /VTR IF Signal Processor
LA7575 Super-split / PLL-II Video and Sound IF Signal Processor
LA7577 Super-split PLL-II VIF and SIF IF Signal Processor
LA7577N Super-split PLL-II VIF and SIF IF Signal Processor
LA7510 Quasi-Parallel Intercarrier Detector

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 4952 Monolithic Linear IC LA7578N IF Signal Processing (Super PLL-II VIF + SIF) Circuit for TVs and VCRs Overview The LA7578N is an intercarrier-type VIF + SIF IC that supports excellent sound quality and image quality. The pin assignment of the LA7578N is identical to that of the LA7577N, allowing the LA7577N to be used for split systems while the LA7578N is used for intercarrier systems. In addition, the LA7578N suppresses Nyquist buzz interference by using a PLL detection system with a buzz canceller in order to provide the best sound quality possible. Package Dimensions unit : mm 3067-DIP24S [LA7578N] Functions . . . . . . [SIF Block] . Limiter amplifier [Mute] . Audio mute (pin 2) .
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