Results comparison of microwave lowpass filters three- and one-dimensional modeling
Journal Title: Вісник НТУУ КПІ. Серія Радіотехніка, Радіоапаратобудування - Year 2017, Vol 0, Issue 70
Abstract
In the research and design of microwave devices it is a standard three-dimensional electromagnetic modeling. Three-dimensional modeling greatly enhances the possibilities, but due to the complexity of the model, the connection between construction and its characteristics is largely implicit. As the result the synthesis of construction based on the visibility of the said connection is complicated or even becomes impossible. In this paper it is examined the using of simple one-dimensional model for microstrip lowpass filters by comparing the results of three- and one- dimensional modeling. The results of three- and one-dimensional modeling of the lowpass filters based on traditional microstrip technology and microstrip three-dimensional electromagnetocrystalline inhomogeneities are compared. Two designs of filters are examined: filters based on high and low impedance sections of microstrip line and with capacitive stub. One-dimensional model is a heterogeneous transmission line with equivalent parameters. One-dimensional model allows obtaining analytical expressions for the transmission characteristics of such filters. Three-dimensional modeling is performed in the program package CST Microwave Studio. Calculated transmission characteristics are presented. Features of stubs characteristics are analyzed. The proposed one-dimensional model can be used as a model of the first approximation. One-dimensional model allows separate filter elements (even such complicated as three-dimensional electromagnetocrystalline) characterized by equivalent wave impedance and relative dielectric constant. It is interesting to investigate the possibility of one-dimensional model using for filters with other transmission characteristics.
Authors and Affiliations
Ya. Zinher, Yu. Adamenko, V. Adamenko, E. Nelin
Keywords
Related Articles
- EP ID EP308209
- DOI 10.20535/RADAP.2017.70.56-61
- Views 91
- Downloads 0
Creativity of education in radio electronics
The expediency and the methods of introducing creative glass in the educational process of training specialists in radio electronics of all educational qualification levels are offered.
Combined methods for determining the weighting coefficients in optimization problems and evaluate the quality of objects
The generalized criterions of quality of object in indeterminacy conditions construction algorithms are considered. The computed and combined expert - applicable methods for determining the weighting coefficients in the...
Concerning to coherency of electromagnetic waves, light in particular (part 3)
Quantum-packet model of light beam was proposed. This model organically reconciles wave-corpuscle properties of light beam and explains nature of it coherency and physics sense of it parameters.
Adaptive signal detection on the background clutter
Introduction. The article poses the problem of optimal detection of coherent-pulsed signals of moving targets against a background of clutter with a priori uncertainty of the signals and clutter parameters. The aim of th...
Two-part electrodes of the physical phantom for EIT
In this article explored methods for increasing of the accuracy of measurement in the hardware part of the electrical impedance tomograph, in particular, in its electrode system, which contains two-parts (combined) elect...