摘要
用AT89C51制作的信号切换器能够完成信号的八选一切换,同时将所选择的信号编号利用数码管显示出来,更加醒目。实践证明该设计具有低成本、方便灵活和稳定可靠的特点,这种设备在信号的选择方面有广泛的应用。
With the rapid development of cable television, signal switching technology is different according to their needs, varied, this article describes the signal produced by AT89C51 to complete the switch to choose one of eight switching signals, while the selected signal number to use digital tube display, more eye - catching. Practice has proved that the design is low cost, convenient and flexible, and reliable characteristics of this equipment in the signal selection have a wide range of applications.
出处
《中国有线电视》
2011年第10期1187-1189,共3页
China Digital Cable TV
