Title :
Development of finite ground coplanar (FGC) waveguide 90 degree crossover junctions with low coupling
Author :
Ponchak, G.E. ; Tentzeris, E.
Author_Institution :
NASA Glenn Res. Center, Cleveland, OH, USA
Abstract :
Microwave and millimeter-wave integrated circuits and distribution networks often require two transmission lines to cross over each other. In this paper, experimental measurements and 3D-Finite Difference Time Domain (FDTD) analysis are used to characterize Coplanar Waveguide (CPW) and Finite Ground Coplanar (FGC) waveguide crossover junctions for the first time. It is shown that FGC crossover junctions have approximately 15 dB lower coupling than CPW crossover junctions with no degradation in return and insertion loss.
Keywords :
Coplanar waveguide components; Electromagnetic coupling; Finite difference time-domain analysis; Microwave integrated circuits; Millimetre wave integrated circuits; Waveguide junctions; 15 to 40 dB; 2 to 40 GHz; 3D FDTD analysis; FGC crossover junctions; distribution networks; finite ground coplanar waveguide 90 degree crossover junctions; insertion loss; low coupling; microwave integrated circuits; millimeter-wave integrated circuits; return loss; Coplanar transmission lines; Coplanar waveguides; Distributed parameter circuits; Finite difference methods; Integrated circuit measurements; Millimeter wave integrated circuits; Time domain analysis; Time measurement; Transmission line measurements; Waveguide junctions;
Conference_Titel :
Microwave Symposium Digest. 2000 IEEE MTT-S International
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-5687-X
DOI :
10.1109/MWSYM.2000.862351
