Title :
Comments on "Branch-line couplers using unequal line lengths
Author :
Vogel, Ryszard W.
Author_Institution :
Nokia Networks
Keywords :
Directional couplers; Equations; Frequency; MMICs; Microwave integrated circuits; Microwave technology; Microwave theory and techniques; Optimized production technology; Transmission line theory; Transmission lines;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.2001.954793
