Quasi-TEM Wave Characterization Method for Tightly Coupled Microstrip Lines with Conductor Overlay

Masayuki NAKAJIMA; Eikichi YAMASHITA

Quasi-TEM Wave Characterization Method for Tightly Coupled Microstrip Lines with Conductor Overlay

Masayuki NAKAJIMA, Eikichi YAMASHITA

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A quasi-TEM wave characterization method is proposed for tight couplers which are constructed of coupled microstrip lines with conductor overlay. The characterization is carried out with consideration for strip conductor thickness by applying the rectangular boundary division method and a sequential optimization procedure. Estimated characteristics of a quarter-wavelength tight coupling section are given in the graphical form for the design of structural dimensions. A trial 3-dB hybrid coupler is designed with this method and its measured characteristics are compared with theoretical ones.

Publication: IEICE TRANSACTIONS on transactions Vol.E73-E No.6 pp.959-967

Publication Date: 1990/06/25

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Type of Manuscript: PAPER

Category: Microwave and Millimeter Wave Technology

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Masayuki NAKAJIMA
Eikichi YAMASHITA

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Masayuki NAKAJIMA, Eikichi YAMASHITA, "Quasi-TEM Wave Characterization Method for Tightly Coupled Microstrip Lines with Conductor Overlay" in IEICE TRANSACTIONS on transactions, vol. E73-E, no. 6, pp. 959-967, June 1990, doi: .
Abstract: A quasi-TEM wave characterization method is proposed for tight couplers which are constructed of coupled microstrip lines with conductor overlay. The characterization is carried out with consideration for strip conductor thickness by applying the rectangular boundary division method and a sequential optimization procedure. Estimated characteristics of a quarter-wavelength tight coupling section are given in the graphical form for the design of structural dimensions. A trial 3-dB hybrid coupler is designed with this method and its measured characteristics are compared with theoretical ones.
URL: https://globals.ieice.org/en_transactions/transactions/10.1587/e73-e_6_959/_p

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@ARTICLE{e73-e_6_959,
author={Masayuki NAKAJIMA, Eikichi YAMASHITA, },
journal={IEICE TRANSACTIONS on transactions},
title={Quasi-TEM Wave Characterization Method for Tightly Coupled Microstrip Lines with Conductor Overlay},
year={1990},
volume={E73-E},
number={6},
pages={959-967},
abstract={A quasi-TEM wave characterization method is proposed for tight couplers which are constructed of coupled microstrip lines with conductor overlay. The characterization is carried out with consideration for strip conductor thickness by applying the rectangular boundary division method and a sequential optimization procedure. Estimated characteristics of a quarter-wavelength tight coupling section are given in the graphical form for the design of structural dimensions. A trial 3-dB hybrid coupler is designed with this method and its measured characteristics are compared with theoretical ones.},
keywords={},
doi={},
ISSN={},
month={June},}

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TY - JOUR
TI - Quasi-TEM Wave Characterization Method for Tightly Coupled Microstrip Lines with Conductor Overlay
T2 - IEICE TRANSACTIONS on transactions
SP - 959
EP - 967
AU - Masayuki NAKAJIMA
AU - Eikichi YAMASHITA
PY - 1990
DO -
JO - IEICE TRANSACTIONS on transactions
SN -
VL - E73-E
IS - 6
JA - IEICE TRANSACTIONS on transactions
Y1 - June 1990
AB - A quasi-TEM wave characterization method is proposed for tight couplers which are constructed of coupled microstrip lines with conductor overlay. The characterization is carried out with consideration for strip conductor thickness by applying the rectangular boundary division method and a sequential optimization procedure. Estimated characteristics of a quarter-wavelength tight coupling section are given in the graphical form for the design of structural dimensions. A trial 3-dB hybrid coupler is designed with this method and its measured characteristics are compared with theoretical ones.
ER -