Miniaturized quasi-asymmetric forward-wave coupled-line coupler with arbitrary coupling level

Jungje Ha, Yongshik Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

A design method is demonstrated for quasi-asymmetric forward-wave coupled-line couplers. By loading a symmetric coupled line asymmetrically with shunt capacitors, a miniaturized forward-wave coupler is constructed with an arbitrary maximum coupling level. Most importantly, elimination of lengthy impedance transformers makes the method the most effective miniaturization method. Experimental results are provided for a 3-dB coupler with a miniaturization rate of 92.9% at 5 GHz.

Original languageEnglish
Title of host publication2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013
DOIs
Publication statusPublished - 2013 Dec 1
Event2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013 - Seattle, WA, United States
Duration: 2013 Jun 22013 Jun 7

Publication series

NameIEEE MTT-S International Microwave Symposium Digest
ISSN (Print)0149-645X

Other

Other2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013
CountryUnited States
CitySeattle, WA
Period13/6/213/6/7

Fingerprint

couplers
miniaturization
Capacitors
shunts
transformers
elimination
capacitors
impedance

All Science Journal Classification (ASJC) codes

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Ha, J., & Lee, Y. (2013). Miniaturized quasi-asymmetric forward-wave coupled-line coupler with arbitrary coupling level. In 2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013 [6697546] (IEEE MTT-S International Microwave Symposium Digest). https://doi.org/10.1109/MWSYM.2013.6697546
Ha, Jungje ; Lee, Yongshik. / Miniaturized quasi-asymmetric forward-wave coupled-line coupler with arbitrary coupling level. 2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013. 2013. (IEEE MTT-S International Microwave Symposium Digest).
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Ha, J & Lee, Y 2013, Miniaturized quasi-asymmetric forward-wave coupled-line coupler with arbitrary coupling level. in 2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013., 6697546, IEEE MTT-S International Microwave Symposium Digest, 2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013, Seattle, WA, United States, 13/6/2. https://doi.org/10.1109/MWSYM.2013.6697546

Miniaturized quasi-asymmetric forward-wave coupled-line coupler with arbitrary coupling level. / Ha, Jungje; Lee, Yongshik.

2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013. 2013. 6697546 (IEEE MTT-S International Microwave Symposium Digest).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - A design method is demonstrated for quasi-asymmetric forward-wave coupled-line couplers. By loading a symmetric coupled line asymmetrically with shunt capacitors, a miniaturized forward-wave coupler is constructed with an arbitrary maximum coupling level. Most importantly, elimination of lengthy impedance transformers makes the method the most effective miniaturization method. Experimental results are provided for a 3-dB coupler with a miniaturization rate of 92.9% at 5 GHz.

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Ha J, Lee Y. Miniaturized quasi-asymmetric forward-wave coupled-line coupler with arbitrary coupling level. In 2013 IEEE MTT-S International Microwave Symposium Digest, MTT 2013. 2013. 6697546. (IEEE MTT-S International Microwave Symposium Digest). https://doi.org/10.1109/MWSYM.2013.6697546