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TDA9881 - Alignment-free vision and FM sound IF PLL demodulator

General Description

The TDA9881 is an alignment-free multistandard (PAL and NTSC) vision and sound IF signal PLL demodulator for negative modulation, including Quasi Split Sound (QSS) or intercarrier FM processing.

2.

Key Features

  • s 5 V supply voltage s Gain controlled wideband Vision Intermediate Frequency (VIF) amplifier; AC-coupled s Multistandard true synchronous demodulation for negative modulated standards with active carrier regeneration: very linear demodulation, good intermodulation figures, reduced harmonics and excellent pulse response s Fully integrated VIF Voltage Controlled Oscillator (VCO), alignment-free, frequencies switchable via logic pin VIF0 and pin QSSO with resistor s Digital acquisition help circuit,.

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TDA9881 Rev. 01 — 16 November 2004 www.DataSheet4U.com Alignment-free vision and FM sound IF PLL demodulator for negative modulated TV standards Product data sheet 1. General description The TDA9881 is an alignment-free multistandard (PAL and NTSC) vision and sound IF signal PLL demodulator for negative modulation, including Quasi Split Sound (QSS) or intercarrier FM processing. 2.