基于AT89C2051的短波数据通信接口电路的设计与应用

Design and application of short-wave data transmission interface circuit based on single-chip AT89C2051

随着信息技术的发展,迫切需要野外进行语音通信的短波电台能具有数字通信功能.结合油田野外作业的特点,设计了一种新型的接口电路,增加数据通信功能;给出了以AT89C2051单片机为核心的硬件电路和程序流程图,实现了数字信号的无线传输.该短波数据通信接口电路的应用有效地利用现有短波电台,满足日益增长的数据传输要求.

With the development of information technique, it is urgent to provide the capability of digital communication for the short-wave radios which are generally used for audio communication in remote country. For this reason, a novel interface circuit is designed in order to meet the requirement of field operation in oilfields. The wireless transmission of digital signal is realized by using single-chip AT89C2051 as a kernel of hardware. The hardware circuit and programming flow chart are presented. The design of short-wave data transmission interface circuit makes full use of the current short-wave radios and meets the continuously increasing demand of the data transmission in oilfields.