INTEGRATED CIRCUITS DATA SHEET TDA4650 Multistandard colour decoder, with negative colour difference output signals Preliminary specification File under Integrated Circuits, IC02 March 1991 Philips Semiconductors Preliminary specification Multistandard colour decoder, with negative colour difference output signals FEATURES Identifies and demodulates PAL, SECAM, NTSC 3.
58 and NTSC 4.
43 chrominance signals with: • Identification – automatic standard identification by sequential inquiry – secure SECAM identification at 50 Hz only, with PAL priority – four switched outputs for chrominance filter selection and display control – external service switch for oscillator adjustment • PAL / NTSC dem...

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