| CAD8903机芯的视频音频转换电路设计 |
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| 引用本文： | 任健. CAD8903机芯的视频音频转换电路设计[J]. 电视技术, 1992, 0(6): 31-34 |
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| 作者姓名： | 任健 |
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| 作者单位： | 机电部三所 |
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| 摘 要： | 本文概要介绍了CAD 8903机芯采用国产集成电路CD7680,CD74211,DG4053实现音频、视频切换功能的电路,并对CD7680中音频信号处理电路的特殊用法进行了说明。
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| 关 键 词： | 转换电路 伴音系统 音量控制 电视 |
Design for Video/Audio Translating Circuit of CAD 8903 Chassis |
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| Ren Jian. Design for Video/Audio Translating Circuit of CAD 8903 Chassis[J]. Ideo Engineering, 1992, 0(6): 31-34 |
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| Authors: | Ren Jian |
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| Abstract: | This paper presents briefly the design of the circuit in the color TV chassis CAD8903 using IC's CD7680, CD74211 and DG4053 which are made in China to realize the switching of audio/ video signals, and describe special application of the audio signal processing circuit in the chip CD7680. |
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| Keywords: | Switching circuit Sound system Electronic volume control |
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