Using the quasi-TEM technique and three-dimensional (3D) electromagnetic visualization, this study proposes an energy-efficient and sustainable modeling approach for alumina (AlO3)-based microstrip transmission lines. For long-lasting microwave circuits that support the Sustainable Development Goals (SDGs) of the UN, particularly SDG 7 (Affordable and Clean Energy) and SDG 9 (Industry, Innovation, and Infrastructure), alumina is a good material. To determine the characteristic impedance and effective dielectric constant for various width-to-height (W/H) ratios, this research employ mathematical methods that make use of Green’s functions and integral equations. This work may learn about the distribution of fields, coupling coefficients, and modal impedances using the 3D modeling framework. This helps the readers understand how to reduce losses and improve designs for low-power, high-reliability systems. The results show that values are between 3 and 9, Z0 is between 200 and 600 Ω, and coupling coefficients are between 0.1 and 0.9. This shows that the results are very close to what was expected. The large difference between evenand odd-mode impedances (115–130 Ω vs. 500–3000 Ω) shows that alumina substrates have quasi-TEM properties. So that, this work makes microwave engineering more sustainable by making it possible to create small, efficient designs for the next generation of communication, sensor, and energy-harvesting systems. This goes along with SDG 12’s goal of responsible production and innovation.
Yantidewi et al. (Wed,) studied this question.
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