Title :
Novel Branchline Couplers for Monolithic Microwave Integrated Circuits
Author :
Mayer, B. ; Knoechel, R.
Abstract :
Novel branchline 3dB-90° and 0°/180° couplers are presented. Solutions are given using distributed lines or lumped elements. A broadbanding procedure for 90°-couplers is outlined, which leads to greatly improved bandwidth with very flat coupling. Element values for lumped-element solutions are very well suited for MMIC´s.
Keywords :
Bandwidth; Couplers; Distributed parameter circuits; Frequency; Impedance; MMICs; Microstrip; Microwave integrated circuits; Monolithic integrated circuits; Transmission line theory;
Conference_Titel :
Microwave Conference, 1990. 20th European
Conference_Location :
Budapest, Hungary
DOI :
10.1109/EUMA.1990.336222
