Title :
Interdigitated coplanar directional couplers
Author :
Bastida, E.M. ; Fanelli, N.
Author_Institution :
CISE SpA, Segrate, Italy
Abstract :
A new coplanar coupler is presented which is suitable both for hybrid and monolithic i.c. applications. Design charts deduced from a theoretical analysis are given and experirmental results concerning X- and J-band quadrature hybrids manufactured on alumina substrates are presented and discussed.
Keywords :
directional couplers; J-band; X-band; alumina substrates; coplanar directional couplers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800456