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An optimized forward‐coupling microstrip hybrid for millimeter‐wave circuits
Author(s) -
Ikäläinen Pertti
Publication year - 1990
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.4650030305
Subject(s) - directivity , microstrip , hybrid coupler , coupling (piping) , extremely high frequency , electronic engineering , electronic circuit , materials science , optoelectronics , power dividers and directional couplers , engineering , electrical engineering , telecommunications , antenna (radio) , metallurgy
A forward‐coupling microstrip hybrid with optimized coupling variation is described. The advantages of the new structure are its suitability for use at millimeter waves, high directivity, and relaxed fabrication tolerance. Experimental results from a 36‐GHz coupler are presented.