Title :
Wide-band lumped-element quadrature 3-dB couplers in microstrip
Author :
Andrews, D.P. ; Aitchison, C.S.
Author_Institution :
Vectawave Technol. Ltd., Ryde, UK
fDate :
12/1/2000 12:00:00 AM
Abstract :
A design procedure for wide-band quadrature 3-dB couplers at microwave frequencies is presented in this paper, wherein lumped elements are incorporated into a microstrip circuit. Design examples for an octave-band coupler and a one-and-one-half octave-band coupler are presented. The topologies presented offer a convenient and cost-effective solution to tight coupling problems, currently solved using distributed circuits
Keywords :
UHF circuits; UHF couplers; microstrip circuits; microstrip directional couplers; microwave circuits; passive networks; design procedure; lumped-element quadrature couplers; microstrip couplers; microwave frequencies; octave-band coupler; one-and-one-half octave-band coupler; wideband 3 dB couplers; Bandwidth; Bonding; Couplers; Coupling circuits; Manufacturing; Microstrip; Microwave circuits; Microwave frequencies; Stripline; Wideband;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
