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Design of a Coplanar Circulator Based on Thick and Thin Ferrite Film

Author Oussama Zahwe1, Hassan Harb2, and Hussein Nasrallah1 1Faculty of Engineering, Islamic University Of Lebanon, Lebanon 2Computer Science Department, American University of Culture and Education, Lebanon,

Keywords #Coplanar circulator/isolator #non-reciprocal passive component #ferrite film #miniaturization #insertion loss

Abstract This paper takes place in the field of passive microwave components. Coming from the requirements of mobile communication devices, miniaturization of microwave components is needed. Aimed at this objective, for several years we have been working on the development of a miniature planar circulator. The main aim of this paper is to show the circulator with different ferrite thickness and then to present a method to reduce the insertion loss of the circulator in function of the thickness of the ferrite film. The circulator is designed with new topology coplanar/microstrip. The analytical structure based on stripline circulator and analysed by using a three dimensional finite-element method. The circulator is then fabricated, and its properties in the microwave range are characterised using a network analyser and a probing system. An additional part for the isolator with non-symmetrical was designed in order to reduce the insertion loss in the conductor and to obtain a large bandwidth compared to the existing devices.

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Citation & Abstract

Oussama Zahwe1, Hassan Harb2, and Hussein Nasrallah1 1Faculty of Engineering, Islamic University Of Lebanon, Lebanon 2Computer Science Department, American University of Culture and Education, Lebanon, "Design of a Coplanar Circulator Based on Thick and Thin Ferrite Film", The International Arab Journal of Information Technology (IAJIT) ,Volume 16, Number 3A, pp. 108 - 116, Special Issue 2019, doi: .

Citation & Abstract

@ARTICLE{2258,
author={Oussama Zahwe1, Hassan Harb2, and Hussein Nasrallah1 1Faculty of Engineering, Islamic University Of Lebanon, Lebanon 2Computer Science Department, American University of Culture and Education, Lebanon},
journal={The International Arab Journal of Information Technology (IAJIT)},
title={Design of a Coplanar Circulator Based on Thick and Thin Ferrite Film},
volume={16},
number={3},
pages={108 - 116},
doi={},
year={1970}
}

Citation & Abstract

TY - JOUR
TI - Design of a Coplanar Circulator Based on Thick and Thin Ferrite Film
T2 -
SP - 108
EP - 116
AU - Oussama Zahwe1
AU - Hassan Harb2
AU - and Hussein Nasrallah1 1Faculty of Engineering
AU - Islamic University Of Lebanon
AU - Lebanon 2Computer Science Department
AU - American University of Culture and Education
AU - Lebanon
DO -
JO - The International Arab Journal of Information Technology (IAJIT)
IS - 9
SN - 2413-9351
VO - 16
VL - 16
JA -
Y1 - Jan 1970
ER -
PY - 1970

Oussama Zahwe1, Hassan Harb2, and Hussein Nasrallah1 1Faculty of Engineering, Islamic University Of Lebanon, Lebanon 2Computer Science Department, American University of Culture and Education, Lebanon, " Design of a Coplanar Circulator Based on Thick and Thin Ferrite Film", The International Arab Journal of Information Technology (IAJIT) ,Volume 16, Number 3A, pp. 108 - 116, Special Issue 2019, doi: .

Abstract: This paper takes place in the field of passive microwave components. Coming from the requirements of mobile communication devices, miniaturization of microwave components is needed. Aimed at this objective, for several years we have been working on the development of a miniature planar circulator. The main aim of this paper is to show the circulator with different ferrite thickness and then to present a method to reduce the insertion loss of the circulator in function of the thickness of the ferrite film. The circulator is designed with new topology coplanar/microstrip. The analytical structure based on stripline circulator and analysed by using a three dimensional finite-element method. The circulator is then fabricated, and its properties in the microwave range are characterised using a network analyser and a probing system. An additional part for the isolator with non-symmetrical was designed in order to reduce the insertion loss in the conductor and to obtain a large bandwidth compared to the existing devices.
URL: https://iajit.org/paper/2258

,abstract={This paper takes place in the field of passive microwave components. Coming from the requirements of mobile communication devices, miniaturization of microwave components is needed. Aimed at this objective, for several years we have been working on the development of a miniature planar circulator. The main aim of this paper is to show the circulator with different ferrite thickness and then to present a method to reduce the insertion loss of the circulator in function of the thickness of the ferrite film. The circulator is designed with new topology coplanar/microstrip. The analytical structure based on stripline circulator and analysed by using a three dimensional finite-element method. The circulator is then fabricated, and its properties in the microwave range are characterised using a network analyser and a probing system. An additional part for the isolator with non-symmetrical was designed in order to reduce the insertion loss in the conductor and to obtain a large bandwidth compared to the existing devices.},
keywords={Coplanar circulator/isolator, non-reciprocal passive component, ferrite film, miniaturization, insertion loss},
ISSN={2413-9351},
month={Jan}}

AB - This paper takes place in the field of passive microwave components. Coming from the requirements of mobile communication devices, miniaturization of microwave components is needed. Aimed at this objective, for several years we have been working on the development of a miniature planar circulator. The main aim of this paper is to show the circulator with different ferrite thickness and then to present a method to reduce the insertion loss of the circulator in function of the thickness of the ferrite film. The circulator is designed with new topology coplanar/microstrip. The analytical structure based on stripline circulator and analysed by using a three dimensional finite-element method. The circulator is then fabricated, and its properties in the microwave range are characterised using a network analyser and a probing system. An additional part for the isolator with non-symmetrical was designed in order to reduce the insertion loss in the conductor and to obtain a large bandwidth compared to the existing devices.