IEEE - Institute of Electrical and Electronics Engineers, Inc. - Comments on “A Universal Approach for Designing an Unequal Branch-Line Coupler With Arbitrary Phase Differences and Input/Output Impedances”

Author(s): Hee-Ran Ahn ; Manos M. Tentzeris
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 June 2019
Volume: 9
Page(s): 1,208 - 1,209
ISSN (Electronic): 2156-3985
ISSN (Paper): 2156-3950
DOI: 10.1109/TCPMT.2019.2912671
Regular:

The mentioned paper (IEEE Trans. Compon., Packag., Manuf. Technol., vol. 7, no. 6, pp. 944-955, Jun. 2017) treats rat-race couplers (ring hybrids) and branch-line hybrids, but three errors are... View More

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