Title :
Design and fabrication of 180° hybrid ring coupler for applications of MMICs using dielectric-supported air-gapped microstriplines
Author :
Ko, B.S. ; Baek, T.J. ; Shin, D.H. ; Kim, S.C. ; Lim, B.O. ; Lee, H.S. ; Kim, S.K. ; Park, H.C. ; Chun, Y.H. ; Rhee, J.K.
Author_Institution :
Millimeter-wave Innovation Technol. Res. Center, Dongguk Univ., Seoul, South Korea
fDate :
5/27/2004 12:00:00 AM
Abstract :
A 180° hybrid ring coupler has been designed and fabricated to prove the possibility of the fabrication for various passive components at high frequency using newly proposed transmission lines, i.e. dielectric-supported air-gapped microstripline structures.
Keywords :
III-V semiconductors; MMIC; dielectric-loaded waveguides; gallium arsenide; micromachining; microstrip couplers; microstrip lines; GaAs; GaAs based surface micromachining; MMIC; air bridge connection; air-gapped microstriplines; hybrid ring coupler; insertion loss; millimetre wave frequency; monolithic microwave integrated circuit; passive components; transmission lines;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20040418
