Luv Tomar; Saurabh Gupta; Raghuvir Tomar; Prakash Bhartia

Matlab-Based Computer-Aided-Design Algorithm for Designing Stepped-Impedance Resonator Low-Pass Filters in Microstrip Technology

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Author(s)

Luv Tomar ¹ Saurabh Gupta ² Raghuvir Tomar ^3,* Prakash Bhartia ⁴

1. Carleton University, 1125 Colonel By Drive, Ottawa K1S 5B6, Canada

2. Neutrino IT Technologies Private Limited, G1-566, RIICO Sitapura Industrial Area, Sanganer, Jaipur 302022, India

3. The LNM Institute of Information Technology, Gram Rupa-Ki-Nangal, Post-Sumel, Via Jamdoli, Jaipur 302031, India

4. NATEL Engineering Co., Inc., 9340 Owensmouth Avnue, Chatsworth, California 91311-6915, U.S.A.

* Corresponding author.

DOI: https://doi.org/10.5815/ijwmt.2015.01.01

Received: 2 Dec. 2014 / Revised: 2 Jan. 2015 / Accepted: 3 Feb. 2015 / Published: 8 Mar. 2015

Index Terms

Microstrip, Filter, CAD, MATLAB, MIC

Abstract

An accurate MATLAB-based CAD algorithm for quickly designing microstrip-based stepped-impedance resonator (SIR) low-pass filter is reported. The algorithm uses a circuit-theory approach to implement speedy computations, compared to the time-consuming computations involved in using electromagnetic theory.
The accuracy of the proposed algorithm is verified for two widely-different practical examples in the 0-4GHz frequency range, against results obtained using Ansoft/Ansys circuit simulation tool, and against results obtained using the 3D electromagnetic simulator HFSS. The agreement among the three sets of data is seen to be excellent for most cases, and is found to be practically acceptable in the worst-case.

Cite This Paper

Luv Tomar, Saurabh Gupta, Raghuvir Tomar, Prakash Bhartia, "Matlab-Based Computer-Aided-Design Algorithm for Designing Stepped-Impedance Resonator Low-Pass Filters in Microstrip Technology", IJWMT, vol.5, no.1, pp.1-20, 2015. DOI: 10.5815/ijwmt.2015.01.01

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International Journal of Wireless and Microwave Technologies (IJWMT)