An Ultra-Wideband 3-dB Quadrature Hybrid with MultiSection Broadside Stripline Tandem Structure

Seyed Javadzadeh; Seyed Majedi; Forouhar Farzaneh

1st International Workshop on Energy Efficient and Reconfigurable Transceivers

Research Article

An Ultra-Wideband 3-dB Quadrature Hybrid with MultiSection Broadside Stripline Tandem Structure

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@INPROCEEDINGS{10.1007/978-3-642-35155-6_55,
    author={Seyed Javadzadeh and Seyed Majedi and Forouhar Farzaneh},
    title={An Ultra-Wideband 3-dB Quadrature Hybrid with MultiSection Broadside Stripline Tandem Structure},
    proceedings={1st International Workshop on Energy Efficient and Reconfigurable Transceivers},
    proceedings_a={EERT},
    year={2012},
    month={12},
    keywords={3-dB quadrature Hybrid tandem Structure Ultra-Wideband coupler broadside stripline multisection coupling},
    doi={10.1007/978-3-642-35155-6_55}
}

Seyed Javadzadeh
Seyed Majedi
Forouhar Farzaneh
Year: 2012
An Ultra-Wideband 3-dB Quadrature Hybrid with MultiSection Broadside Stripline Tandem Structure
EERT
Springer
DOI: 10.1007/978-3-642-35155-6_55

Seyed Javadzadeh¹^,*, Seyed Majedi²^,*, Forouhar Farzaneh¹^,*

1: Sharif University of Technology
2: Ferdowsi University

*Contact email: smh_javadzadeh@ee.sharif.edu, saeed.majedi@stu-mail.um.ac.ir, farzaneh@ee.sharif.edu

Abstract

Design of an Ultra-Wideband 3-dB quadrature (90°) Hybrid using ADS and HFSS softwares plus Measurement report are presented. Simultaneous Use of these two softwares lead to fast and accurate design procedure. The coupler is realized in broadside stripline and with the connection of coupled regions in tandem structure. The measured data agrees well with the expected values from simulations, and shows a good ultra wide bandwidth response over the frequency range of 1-10 GHz. Measurements showed an amplitude unbalance of ±1.5 dB, a phase unbalance of 90°±7° , and an isolation and a return loss characteristics of more than 14 dB over the frequency of 1 to 10 GHz.

Keywords: 3-dB quadrature Hybrid tandem Structure Ultra-Wideband coupler broadside stripline multisection coupling

Published: 2012-12-05

: http://dx.doi.org/10.1007/978-3-642-35155-6_55