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Now downloading free:Philips TDA4570

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Descr:Philips Quality Data Sheet
Group:Electronics > Components > Integrated circuits >
Uploaded:2004-07-21 19:10:46
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Tda4570.pdfINTEGRATED CIRCUITS DATA SHEET TDA4570 NTSC decoder Product specification File under Integrated Circuits, IC02 August 1986 Philips Semiconductors Product specification NTSC decoder GENERAL DESCRIPTION TDA4570 The TDA4570 is an integrated 3,58 MHz or 4,43 MHz NTSC decoder. It is pin sequence compatible with multi-standard decoder TDA4555 and pin compatible with the PAL decoder TDA4510. Features Chrominance part Gain controlled amplifier with operating point control stage ACC (automatic chrominance control) with sampled rectification during burst-key signal Blanking circuit for the colour burst signal Oscillator and control voltage part Voltage controlled reference oscillator for double subcarrier frequency Divider stages which provide the correct 90 phase between -(R-Y) and -(B-Y) reference signals for the demodulators Phase comparator which controls the frequency and phase of the reference oscillator and compares the (R-Y) reference with the burst pulse HUE contro

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