The novel reentrant power splitters and band-stop elliptic filters

Горбачев, А. П.; Tarasenko, N. V.

doi:10.1109/apeie.2016.7806440

Cited by 6 publications

(2 citation statements)

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“…To begin the derivation of initial filter equations and corresponding optimal parameters, let us first consider the basic reentrant structure as a six-port device with the port designations shown in Figure 2a. According to Reference [28][29][30], this representation includes the symmetric impedance matrices [Z B ] and [Z N ] of two two-port networks. The first network is like the regular coaxial transmission line 1 ↔ 6 (or 2 ↔ 5 ) implemented inside the grounded body…”

Section: Tem Description Of the Equivalent Filter Circuitmentioning

confidence: 99%

“…It is clear that this decomposition is fully equivalent to the four-port device with an asymmetric shifted body ( Figure 2b if the left node of body "1" and the right node of body "3" are open-circuited, as shown in Figure 2c, where the abbreviation "ocp" denotes the term "open-circuited port"). As a result, we have the so-called "shifted reentrant" four-port device, as briefly described in Reference [29], terminated by the transmission lines with the characteristic impedance Z 0 that is equal almost always to 50 Ω.…”

Section: Tem Description Of the Equivalent Filter Circuitmentioning

confidence: 99%

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The Reentrant Four-Layer Quasi-Elliptic Bandstop Filter

et al. 2019

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The novel microwave quasi-elliptic bandstop filter, which uses the initially uncoupled strip transmission lines, is considered in this work. The proposed filter is based on the reentrant structure, where the metallic body with a floating potential is asymmetric. Generally speaking, the internal and external dielectric fillings must have their unequal relative permittivities. As a result, additional symmetrical reflection zeros are reached at the lower and upper pass bands of the stop band leading to the quasi-elliptic function response that improves the filter selectivity. The general transverse electromagnetic (TEM) circuit model for the proposed filter in terms of a series connection of the multi-ports is presented and then used to predict the initial electrical and geometrical parameters. An experimental printed circuit prototype has been manufactured and evaluated to validate the design concept. The measured filter parameters correlate well with the simulation-derived ones and that increases the degree of freedom in the fabrication of microwave frequency selective components.

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Section: Tem Description Of the Equivalent Filter Circuitmentioning

confidence: 99%

Section: Tem Description Of the Equivalent Filter Circuitmentioning

confidence: 99%