Affiliation:
1. Department of Electronics and Communication, Charotar University of Science and Technology, Changa, India
Abstract
Aims:
In this paper, a novel Substrate Integrated Waveguide (SIW) based filtering power
divider is presented.
Objective:
In the proposed power divider, filtering response is achieved by interleaving inductive
posts in the SIW structure. The proposed structure reduces the size and the cost of the system, as the
structure performs the function of the power divider as well as the function of a filter.
Methods:
Simulation of the proposed structure was carried out using commercial software Ansoft High
Frequency Structure Simulator (HFSS), which is a three-dimensional full-wave solver utilizing the
Finite Element Method (FEM). The proposed power divider structure was also fabricated and tested.
Results:
The measured return loss was found to be -21.78 dB with 3 dB Fractional Bandwidth (FBW)
of 4.72% at the center frequency of 14.8 GHz. Moreover, the proposed structure showed an insertion
loss of 0.96 dB, isolation of more than 18 dB; maximum amplitude and phase imbalance was observed
to be 0.18 dB and 1.24° respectively within the operating frequency band.
Conclusion:
Good agreements are observed between the experimental results and the simulations.
Publisher
Bentham Science Publishers Ltd.
Subject
Electrical and Electronic Engineering,Control and Optimization,Computer Networks and Communications,Computer Science Applications
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