| QA840119及其在二总线模拟量火灾报警系统中的应用 |
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| 引用本文： | 杨秋江. QA840119及其在二总线模拟量火灾报警系统中的应用[J]. 电子与自动化, 1997, 26(3): 11-15 |
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| 作者姓名： | 杨秋江 |
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| 作者单位： | 中国农业机械化科学研究院国际交流中心 |
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| 摘 要： | 介绍一种能进行Ａ／Ｄ变换并用数字量传输模拟量且自动同步的编解通讯专用集成电路ＱＡ８４０１１９，以及用单片ＱＡ８４０１１９实现的二总线模拟量火灾探测器实用电路，并介绍了二总线模拟量系统的构成。
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| 关 键 词： | QA840119 二总线模拟量 火灾报警系统 |
QA840119 and Its Application in Two wire Analog Fire alarm System |
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| Yang qiujiang/ .. QA840119 and Its Application in Two wire Analog Fire alarm System[J]. , 1997, 26(3): 11-15 |
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| Authors: | Yang qiujiang/ . |
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| Affiliation: | Yang qiujiang/ . |
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| Abstract: | Automatic synchronization communication decoder ICQA840119, which has the function of A/D conversion and translating analog value by means of digital code, is introduced in this article, with which a practical two wire analog fire detecting circuit is developed; in addition, the make up of the two wire analog system is interpreted as well. |
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| Keywords: | IC-QA840119 variable encoding/decoding communication two wire fire alarm |
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