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Moataz Mostafa Elsherbini
Mohamed Fahim Elkordy
Aly Mohamed Gomaa

Abstract

In this paper, an algorithm suitable for the computer aided design (CAD) has been developed, to give us a table of calculated data which can be used as a design tool for optimum multistrip-coupler. Design criteria for multistrip components are discussed in terms of substrate and bandwidth requirements. In other words, the effects of substrate types and center frequency on the performance of multi-strip coupler in the presence of material, limitations are demonstrated. The obtained results show that, different substrates will enable us to use relatively small size strips which leads to miniaturization the design as well as extends the usefulness of the strip lines to higher frequency.

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