TDA9351 - Philips

TDA9351 TV signal processor

The various versions of theTDA935X/6X/8X PS/N2 series combine the functions of a TV signal processor together with a µ-Controller and US Closed Caption decoder. Most versions have a Teletext decoder on board. The Teletext decoder has an internal RAM memory for 1or 10 page text. The ICs are intended to be used in economy television receivers with 90° and 110°.

Features

are given in the following feature list. The differences between the various ICs are given in the table on page 4. Tentative Device Specification TDA935X/6X/8X PS/N2 series FEATURES TV-signal processor
• Multi-standard vision IF circuit with alignment-free PLL demodulator
• Internal (switchable) time-constant for the IF-AGC circuit
• A choice can be made between versions with mono intercarrier sound FM demodulator and versions with QSS IF amplifier.
• The mono intercarrier sound versions have a selective FM-PLL demodulator which can be switched to the different FM sound frequencies (4.5/5.5/6.