Evaluation of noise immunity of monoimmittance logic L-element “AND”
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- Published on Thursday, 16 March 2017 18:07
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Authors:
М.А.Filynyuk, Dr. Sc. (Tech.), Prof.,Vinnytsia National Technical University, Vinnytsia, Ukraine
L.B.Lishchynska, Dr. Sc. (Tech.), Prof.,Vinnytsia Institute of Trade and Economic of Kyiv National University of Trade and Economics, Vinnytsia, Ukraine
E.V.Voytsekhovskaya, Cand. Sc. (Tech.), Assoc. Prof.,Vinnytsia National Technical University, Vinnytsia, Ukraine
V.P.Stakhov,Vinnytsia National Technical University, Vinnytsia, Ukraine
Abstract:
Purpose.The evaluation of noise immunity limit and searching ways to improve the noise immunity of the monoimmittance logic element “AND”, which uses inductive immittance as the information parameter, are the main research task.
Methodology.The scheme of the monoimmittance logic L-element “AND” and its mathematical models were developed. The computer modeling of such destabilizing factor dependences was done: the instability of wave resistance of the transmission line segments, the instability of the segment length of the transmission line, the quality factor of the inductive input impedances.
Findings.The circuit of the monoimmittance logic L-element “AND” and its real and ideal mathematical models were offered. The main destabilizing factors were defined. Analytical forms of quantitative evaluation of noise immunity under the influence of various destabilizing factors were proposed. The noise immunity of the main information parameter to the influence of destabilizing factors was researched and recommendations on the choice of parameters in order to achieve the maximum noise immunity were offered.
Originality.The ideal and the real mathematical models of the monoimmittance logic L-element “AND” were developed and the new universal analytical forms for the noise immunity coefficients of the monoimmittance logic elements under the influence of various destabilizing factors were proposed. These forms provide the opportunity of adequate computer modeling of the monoimmittance logical L-element “AND”.
Practical value.The concept of the monoimmittance logic L-element “AND” was founded and the main destabilizing factors (the instability of wave resistance of transmission line segments; the instability of lengths of transmission line, change of the quality factor of inductive input impedance), leading to decrease in the noise immunity of the logic element, were identified. On the basis of the developed mathematical models research on basic parameters (reactive and resistive components of the output impedance) was done in the range of changes: Q-inductive input impedance (20÷ 100 units); wave impedance (50 ohms±0.5); transmission line segments length instability (±0.1 mm). Recommendations regarding the selection of optimal parameters of the monoimmittance logic L-element “AND” in order to achieve maximum noise stability were formulated.
References/Списоклітератури
1.Vasilescu, G., 2006. Electronic Noise and Interfering Signals: Principles and Applications. Springer Science & Business Media. ISBN: 3-540-40741
2.Cotton, M., Achatz, R., Wepman, J., Bedford, B. and Runkle, P., 2006. Interference potential of ultrawideband signals. New York: Nova Science Publishers. ISBN: 1600213596.
3.Soojung, R., Jiwoon, J., Kwangho, K., Jeongmin, J., Seungbae, K., SoYoung, K. and Wansoo, N., 2014. Prediction of Noise Power Disturbance from Antenna to Transmission Line System. The Journal of Korean Institute of Electromagnetic Engineering and Science, Vol. 25, Is. 11, pp. 1172–1182.
4.SangHyeok Park, Kyungsoo Kim, Hai Au Huynh, Soyeon Joo, SoYoung Kim, 2016. EM noise immunity enhancement using Schmitt Trigger logic gates in CMOS process. In: 2016 URSI Asia-Pacific Radio Science Conference (URSI AP-RASC), Seoul, South Korea, pp. 915–918.
5.Lishchinskaya, L.B., 2013. Estimation of the Noise Immunity of Immitance Logic Elements. Journal of Communications Technology and Electronics, Vol. 58, No. 11, pp. 1096–1101.
6.Lishchinskaya, L.B.. Filyniuk, M.A., Chekhmestrouk, R.Y. and Rozhkova, Y.S., 2012. Microwave immitance logical elements. In: 22st International Crimean Conference: Microwave and Telecommunication Technology, Sevastopol, Ukraine, 10–14 September 2012.CriMiCo.
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