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提出了一种新颖简洁的取样率变换电路，使用在ＩＤＴＶ接收机中不仅能对标准的视频信号使其从４ｆ＿ｓｃ取样数据信号自动地转换到１１３５ｆ＿Ｈ数据信号，且对非标准视频信号也能适用。电路简洁，便于集成。
A novel and concise sample rate conversion circuit is proposed, which can be used in an IDTV receiver not only to convert standard 4f_sc sample data signals to 1135f_H data signals automatically, but also to non-standard video signals. Circuit is concise, easy to integrate.