TA8719N--the decoding and travelling field scan integrated circuit

Published:2011/6/8 8:04:00 Author:qqtang | Keyword: travelling field, integrated circuit | From:SeekIC

1.function featuresTA8719N has functions of PAL, NTSC, CECAM system decoding, travelling scanning small signal process and X ray protection, etc. Its internal circuit includes PAL、NTSC and SECAM switch, color variation modulation circuit, PAL and NTSC matrix system recognition circuit, travelling field scanning small signal process circuit, brightness and contrast ratio control circuit, chroma control circuit, synchronized separation circuit and APC and VCO circuit,etc.The internal circuit of TA8719N is shown in figure 1.



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