Skip to Main Content
A microstrip radial transmission line circuit element namely a 180° circular stub or "half-moon" structure, having a reflection coefficient of unity magnitude and phase which varies slowly with frequency is presented. Theoretical reflection coefficient data are shown to agree well with experimental microstrip (epsilonr=2.35, h =250 mu m) data in X band. Applications of the half-moon microstrip element in the design of broad-band bias or tuning networks are discussed.
Microwave Theory and Techniques, IEEE Transactions on (Volume:28 , Issue: 8 )
Date of Publication: Aug 1980