Synthesis of octave-band quarter-wave coupled semi-tracking stripline junction circulators

J. Helszajn

Research output: Contribution to journalArticlepeer-review

Abstract

The complex gyrator circuit of stripline circulators using tracking junctions which satisfy the physical and magnetic variables of the Wu and Rosenbaum boundary conditions, is a nearly frequency independent octave-band resistive network. Such a junction may exhibit two minimas in its reflection coefficient when matched by a two section impedance transformer. However, a third minima may be realised by utilizing a complex rather than a real gyrator circuit. This paper summarises this class of semi-tracking solution in a simple way as a preamble to the design of a degree-3 quarter wave coupled circulator. The overall frequency behaviour of this class of junction has been separately evaluated by combining the electromagnetic and network problems (in conjunction with a two step impedance matching network).

Original languageEnglish
Pages (from-to)573-581
Number of pages9
JournalIEEE Transactions on Microwave Theory and Techniques
Volume43
Issue number3
DOIs
Publication statusPublished - Mar 1995

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