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Compact Ultra Wide Band (UWB) Bandpass Filter using Hybrid Microstrip Coplanar Waveguide Structure

Published on September 2015 by Vishal P. Kothawade, P. J. Deore, J. B. Jadhav
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National Conference on Advances in Communication and Computing
Foundation of Computer Science USA
NCACC2015 - Number 1
September 2015
Authors: Vishal P. Kothawade, P. J. Deore, J. B. Jadhav
a66aaa1c-e8cf-425d-917b-ebb99662b7e3

Vishal P. Kothawade, P. J. Deore, J. B. Jadhav . Compact Ultra Wide Band (UWB) Bandpass Filter using Hybrid Microstrip Coplanar Waveguide Structure. National Conference on Advances in Communication and Computing. NCACC2015, 1 (September 2015), 14-17.

@article{
author = { Vishal P. Kothawade, P. J. Deore, J. B. Jadhav },
title = { Compact Ultra Wide Band (UWB) Bandpass Filter using Hybrid Microstrip Coplanar Waveguide Structure },
journal = { National Conference on Advances in Communication and Computing },
issue_date = { September 2015 },
volume = { NCACC2015 },
number = { 1 },
month = { September },
year = { 2015 },
issn = 0975-8887,
pages = { 14-17 },
numpages = 4,
url = { /proceedings/ncacc2015/number1/22323-3014/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 National Conference on Advances in Communication and Computing
%A Vishal P. Kothawade
%A P. J. Deore
%A J. B. Jadhav
%T Compact Ultra Wide Band (UWB) Bandpass Filter using Hybrid Microstrip Coplanar Waveguide Structure
%J National Conference on Advances in Communication and Computing
%@ 0975-8887
%V NCACC2015
%N 1
%P 14-17
%D 2015
%I International Journal of Computer Applications
Abstract

Filters are the key components in communication system. Compactness of filters is an important design constraint. Due to limitations in design methods for filters at low frequency, several newer techniques for filter design at higher frequency are invented. Hybrid microstrip coplanar waveguide technique among these techniques gives a way to design a compact filter structure meeting the required (UWB) specifications. In this paper, a filter based on hybrid microstrip coplanar waveguide structure is designed. The passive elements are realized using the microstrip, coplanar waveguide (CPW) and transitions between microstrip and CPW. A high pass filter prototype and a connecting capacitor between input and output ports is used to design a UWB bandpass filter having three transmission poles in UWB band. Capacitor acts as a controlling element for UWB band. Quasilumped microstrip structure is used to realize high pass filter elements and connecting capacitor can be realized using parallel coupled microstrip stubs. The coupling between top microstrip and bottom CPW helps to get a flat band within 3. 1 to 10. 6 GHz.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Microstrip Coplanar Waveguide Ultrawideband Bandpass Filter Coupling High Pass Filter.