The paper proposes the use of switches to synthesize immittance logic elements, which makes it possible to ensure the operation of logic elements at various fixed operating frequencies. This in turn allows to increase the operating frequency range of such elements. For the first time, a mathematical model of a multi-frequency immittance logic R-element "NOT" was developed. It allowed to determine the transient characteristics at different operating frequencies. The circuit of the multi-frequency opto-immittance logic R-element "NOT" was developed. The results of the study of its transient characteristics showed the possibility of using the circuit in the design of passive immittance logic elements with an extended operating frequency range.
KEYWORDS: Transistors, Amplifiers, Field effect transistors, Resistance, Logic devices, Energy efficiency, Capacitance, Logic, Chemical elements, Information technology
In the article, the concept of construction of immitance converters was developed, the system of their classification was justified, the basic parameters were determined, the requirements were formulated and the possible ways of their technical implementation were analyzed. The analysis showed the existence of a considerable number of technical solutions for the implementation of the integrated circuit. Bipolar and field effect transistors, operational amplifiers and current conveyors were used as active devices. Conclusions based on the results of the study were also drawn.
Justification of optoimmittance logic and conception of construction of optoimmittance logic elements is developed, the system of their classification is grounded, basic parameters are certain, formulated requirements and the analysis of possible ways of their technical realization is conducted. Proposed in the concept of building immittance logic allows you to create high-frequency logic elements on the active components operating in quasi-linear mode, which partially overcomes the above mentioned disadvantages and to develop the logic elements formed by optical emitters and receivers in combination with generalized immittance converters - optoimmittance logic elements. By combining to set the logic level, optical and immittance parameters is possible to realize a large number of optoimmittance logic elements.
Bases of construction of optoimmittance logic are formulated, marketability’s of optoimmittance logical elements are considered, that will allow extending functional possibilities and improving the technical parameters of different informative devices. The classification, technical implementation, the basic parameters and characteristics of optoimmitance logical elements are presented. The speed of optoimmittance logical elements is analyzed.
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