Title :
A 30-GHz Inverted-Microstrip Circulator (Correspondence)
Abstract :
A 3-port inverted-microstrip circulator has been built which operates near 30 GHz with an isolation of greater than 20 dB over a 6-percent bandwidth. The circulator junction has an insertion loss of less than 0.4 dB over the band exclusive of losses in transitions used for testing the device.
Keywords :
Capacitance; Circuits; Dielectric substrates; Ferrites; Frequency; Geometry; Insertion loss; Magnetic resonance; Microwave theory and techniques; Testing;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.1971.1127600
