Title :
Performance of Microstrip Couplers on an Anisotropic Substrate with an Isotropic Superstrata
Author :
Alexopoulos, N.G. ; Maas, S.A.
Abstract :
The directivity of microstrip couplers on anisotropic substrates can be improved substantially by adding an isotropic superstrata layer above the microstrips. The necessary dimensions of the layer can be chosen so that fabrication is simple and noncritical.
Keywords :
Anisotropic magnetoresistance; Couplers; Dielectric constant; Dielectric substrates; Microstrip; Microwave oscillators; Microwave theory and techniques; Optical scattering; Reflectivity; Transmission line matrix methods;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.1983.1131567
