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A phase quadrature square patch microwave coupler
Author(s) -
Merugu L. N.,
Fusco V. F.,
Stewart J. A. C.
Publication year - 1989
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.4650021207
Subject(s) - hybrid coupler , microstrip , microwave , quadrature (astronomy) , square (algebra) , rat race coupler , bandwidth (computing) , phase difference , materials science , physics , power dividers and directional couplers , optics , electronic engineering , electrical engineering , engineering , mathematics , telecommunications , geometry
Theoretical and experimental results are presented for a square microstrip patch employed as a coupler at 13.2 GHz. The square patch exhibits equal power‐split in phase quadrature over a 7% bandwidth, 5.0 dB coupling, and 17 dB isolation. The effect of packaging on the performance is investigated.