By Topic

Design and analyze of a highly compact directional coupler based on microwave planar circuit

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

4 Author(s)
Tayeb Faraji ; Department of Electrical Engineering, Islamic Azad University, Kermanshah Branch, 6718997551, Iran ; Mehdi Nosrati ; Alireza Hazeri ; Sajad Boochani

In this article, an extremely miniaturized branch-line coupler (BLC) operating at 0.9 GHz is analyzed, designed and introduced to enhance the bandwidth accompanied by highly size reduction without via-holes, multilayered technique and air-bridged. A combination of a simple low-pass and band-stop filters is proposed to increase isolation between BLC's ports. This model is equaled by a quarter wavelength line and necessary equations are obtained using even and odd modes analysis. A compact BLC is designed and analyzed using this technique. It is shown that the proposed BLC works as well as conventional ones though with size reduction of about 74% and 4.5% enhancement in bandwidth in analogy with recent branch-line coupler.

Published in:

2009 Asia Pacific Microwave Conference

Date of Conference:

7-10 Dec. 2009