Abstract
The article presents a synthesis technique for a symmetrically coupled multiconductor microstrip line operating in normal modes and looks at the examples of the synthesis of a ten-conductor symmetrically coupled multiconductor microstrip line operating in even- and odd normal modes. The paper investigates the dependences of the parameters of the introduced lines. Santrauka Straipsnyje išnagrinėtas simetrinių daugialaidžių mikrojuostelinių linijų, veikiančių normaliųjų bangų režimu, sintezės algoritmas. Kaip pavyzdys pateikti dešimties laidininkų simetrinės daugialaidės mikrojuostelinės linijos, veikiančios lyginės ir nelyginės bangų režimu, sintezės rezultatai, aprašyti linijos parametrai.
Highlights
A symmetrically coupled multiconductor microstrip line (MCML) consists of a dielectric substrate of infinite length and width with a conducting layer on the one side of the substrate and microstrip conductors on the other (Fig. 1)
MCMLs are characterized by N effective dielectric permittivities and characteristic impedances Zki, where k is the type of a normal mode and i is the conductor number
This paper proposes a synthesis technique for the MCML operating in a normal mode
Summary
A symmetrically coupled multiconductor microstrip line (MCML) consists of a dielectric substrate of infinite length and width with a conducting layer on the one side of the substrate and microstrip conductors on the other (Fig. 1). The number of conductors, their width and space between them is specified independently Due to their planar design, the lines are widely used in many microwave devices, for example, (Kralicek, Sabath 1997; Yordanov et al 2007; Han et al 2009). Microwave devices that use MCML models should be designed so that only a single normal mode could be propagated (Mansur 2001). This paper proposes a synthesis technique for the MCML operating in a normal mode. This technique exhibits rather fast computational efficiency and good accuracy. The accuracy of the mathematical model of the MCML has been checked to be correct in earlier works (Mikučionis, Urbanavičius 2011)
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