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Compact substrate integrated waveguide six‐port directional coupler for X‐band applications
Author(s) -
Venanzoni Giuseppe,
Mencarelli Davide,
Morini Antonio,
Farina Marco,
Losito Onofrio,
Prudenzano Francesco
Publication year - 2015
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.29388
Subject(s) - return loss , power dividers and directional couplers , microwave , bandwidth (computing) , port (circuit theory) , hybrid coupler , optoelectronics , waveguide , materials science , optics , reflection (computer programming) , substrate (aquarium) , x band , electrical engineering , engineering , telecommunications , physics , computer science , antenna (radio) , oceanography , geology , programming language
A substrate integrated waveguide six‐port directional coupler is designed and characterized. The circuit exploits a very compact size and good reflection and transmission characteristics, as it exhibits both return loss and isolation higher than 15 dB over a 13% bandwidth. The device is made by connecting all ports to a single junction which mixes all signals. Some prototypes have been built and experimental results show a very good agreement with simulations. © 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:2589–2592, 2015
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