The integrated chroma signal handle circuit

Published:2011/6/4 8:38:00 Author:qqtang | Keyword: chroma signal | From:SeekIC

1.function featuresTDA4555 contains ACC amplifier and detection circuit, PAL/NTCC/SECAM recognize and shift control circuit, SECAM modulation circuit, matrix circuit, NTSC hues circuit, 1/2 frequency splitting circuit, channel selecting circuit, color removing circuit circuit, scanning steady circuit, removing circuit, control output circuit and other additional circuits.The internal circuit of TDA4555 is shown in Figure 1. Figure 1 the internal circuit of TDA4555 2.pin functions and dataTDA4555 is in 28-pin dual in-line package.



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