光电半加频器用于测量信号的传输

Z. Porada, E. Schabowska-Osiowska
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引用次数: 0

摘要

介绍了一种实现半加频系统的光电系统,该系统可用于光形式信号的传输和处理。基于光导(PC)和电致发光(EL)薄膜元件实现了半加法器系统。半加法器系统应实现除或和与两种逻辑功能。本文介绍了用8个光导元件和5个电致发光元件适当连接构成的实现EX-OR逻辑功能的系统,以及由2个光导元件和1个电致发光元件组成的实现and功能的系统。测量了不同输入信号组合下输出信号对时间的依赖关系:L1=L2=0;L1=20 lx, L2=0;L1=0, L2= 20lx或L1=L2= 20lx。对于半加法器系统,只有当两个输入信号都具有对应的逻辑值时,才会出现与函数输出处的信号,而在前或函数输出处,当输入信号具有不同的值时(第一个信号为零,第二个信号为一或相反),才会出现与信号。因此,所研究的系统完成了半加法器的作用,分别实现了除或功能和与功能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optoelectronic halfadder applied to transmitting of measuring signals
An optoelectronic system, realizing the halfadder system, which can be used in the transmission and processing of signals in optical form, is described. The halfadder system has been realized based on photoconducting (PC) and electroluminescent (EL) thin film elements. The halfadder system should realize two logical functions: EX-OR and AND. In the presented paper the system realizing the EX-OR logical function, constructed by a suitable connection of eight photoconducting and five electroluminescent elements, and the system realizing the AND function composed of two photoconducting and one electroluminescent elements, are described. The dependences on time of the output signals were measured for various combinations of the input signals: L1=L2=0; L1=20 lx, L2=0; L1=0, L2=20 lx oraz L1=L2=20 lx. For the halfadder system the signal at the AND function output appeared only when both the input signals had the value corresponding to logical one, and at the EX-OR function output, when the input signals had various values (the first signal was zero, and the second was one or inversely). Thus the investigated system fulfilled the role of a halfadder realizing the function EX-OR, and the function AND, respectively.
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