ADJUSTMENT OF IN-PHASE MODE IN CIRCULATORS USING TURNSTILE JUNCTIONS.

J. Helszajn, J. Sharp

Research output: Contribution to journalArticle

Abstract

The adjustment of the counter-rotating modes of waveguide circulators using weakly magnetized turnstile junctions is fairly well understood, but some uncertainty about the definition of the in-phase mode still remains. The purpose of this paper is to remedy this situation by experimentally evaluating the in-phase eigenvalue s//0 for different filling factors and radial wavenumbers of the in-phase resonator. This is done by using the unitary condition to derive four possible relationships between the in-phase and counter-rotating eigenvalues s//0 and s//1, and the scattering variable S//1//1, and using one or another of them to form s//0. The situation for which s//0 is in anti-phase to s//1 corresponds to the first classic circulation condition of this class of device and is also derived.

Original languageEnglish
Pages (from-to)339-343
Number of pages5
JournalIEEE Transactions on Microwave Theory and Techniques
VolumeMTT-33
Issue number4
Publication statusPublished - Apr 1985

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