TB1226EN PDF Datasheet


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Description

This is Video / Chroma and Synchronizing Signals Processing IC. TB1226EN TENTATIVE TOSHIBA Bi-CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC TB1226EN VIDEO, CHROMA AND SYNCHRONIZING SIGNALS PROCESSING IC FOR PAL , NTSC , SECAM SYSTEM COLOR TV TB1226EN that is a signal processing IC for the PAL , NTSC , SECAM color TV system integrates video, chroma and synchronizing signal processing circuits together in a 56-pin shrink DIP plastic package. TB1226EN incorporates a high performance picture quality compensation circuit in the video section, an automatic PAL , NTSC , SECAM discrimination circuit in the chroma section, and an automatic 50 , 60H- discrimination circuit in the synchronizing section. Besides a crystal oscillator that internally generates 4.43MHz, 3.58MH- and M , N-PAL clock signals for color demodulation, there is a horizontal PLL circuit built in the IC. Weight: 5.55g (Typ.) The PAL , SECAM demodulation circuit which is an adjustment-free circuit incorporates a 1H DL circuit inside for operating the base band signal proc.