Miniaturization of three-section branch-line coupler using diamond-series stubs microstrip line

A three-section branch-line coupler is miniaturized using diamond-series stubs microstrip lines. The modified coupler is capable of operating from 1.6GHz to 3GHz with a return loss of less than −20 dB, phase imbalance of less than 2.5°, insertion loss and coupling of −4.5±1.5 dB and −2.5±0.5 dB, res...

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Bibliographic Details
Main Authors: Najib Al-Areqi, Nadera, You, Kok Yeow, Khamis, Nor Hisham, Dimon, Mohamad Ngasri, Lee, Chia Yew
Format: Article
Language:English
Published: Electromagnetics Academy 2018
Subjects:
Online Access:http://eprints.utm.my/id/eprint/85719/1/YouKokYeow2018_MiniaturizationofThree-SectionBranch-LineCoupler.pdf
http://eprints.utm.my/id/eprint/85719/
http://dx.doi.org/10.2528/PIERC17110402
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