串行通信中使用CD4046实现数据的频率调制和解调 |
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引用本文: | 黄海容,黄继武.串行通信中使用CD4046实现数据的频率调制和解调[J].电子与自动化,1998,27(6):26-29. |
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作者姓名: | 黄海容 黄继武 |
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作者单位: | 武汉大学电信学院 |
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摘 要: | 介绍用CD4046锁相环实现串行数据通信中信号频率调制和调解的电路原理,以及使用施密特触发器对解调波形进行整形、复原数字信号的电路和原理。该电路可用于不同计算机间的通信或对信号进行检测。
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关 键 词: | 串行通信 锁相环 调频 解调 数据通信 |
Data Frequency MODEM by CD4046 in Serial Communication |
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Authors: | Huang Hairong |
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Affiliation: | Huang Hairong |
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Abstract: | This paper explains the principle on how to use CD4046 phase locked loop to realize signal frequency MODEM circuit in serial digital communication and how to use Schmidt circuit to reform the demodulated waveform and recover the digital signals. These circuits can be used to communicate between different computers or to detect signals. |
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Keywords: | serial communication phase locked loop frequency modulation demodulation Schmidt circuit |
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