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本文根据油膜光阀外光源大屏幕投影电视的特点,提出一种能提高隔行扫描质量的场同步脉冲的形成方式,并分析了具体电路的设计思想和同步的稳定性问题
In this paper, according to the characteristics of large screen projection TV with light source outside the oil film light valve, a method of forming field synchronization pulse which can improve the quality of interlaced scanning is proposed. The design idea of concrete circuit and the problem of synchronization stability are also analyzed