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TDA9373为菲利蒲公司生产的多制式彩色电视超级芯片,它集微处理控制系统与小信号处理电路于一体,采用I~2C总线控制技术。它内部主要包括:微处理器、图像、伴音中频处理、亮度、色度解调、R、G、B矩阵、图像清晰度增强、免调行振荡电路等,它具有芯片外接元件少,便于维修等优点。一、工作原理
TDA9373 is Philip Morris multi-system color TV super chip, which combines the microprocessor control system and small signal processing circuit in one, using I ~ 2C bus control technology. Its internal includes: microprocessors, audio and video IF processing, brightness, color demodulation, R, G, B matrix, enhanced image clarity, exempt from the line oscillator circuit, which has a small chip external components, easy maintenance Etc. First, the working principle