Unloaded quality factors of junction circulators

J. Helszajn, T. Vincent, B. Pierce

Research output: Contribution to journalArticlepeer-review


A knowledge of the quality factor of the gyrator circuit and the unloaded split quality factors of its counter-rotating eigen-networks of any junction circulator is sufficient for the description of its dissipation loss. Some experimental data are summarised for the latter quantities at a frequency of 2.0 GHz. This is done for a number of different ferrite materials and a number of different coupling angles that the ports subtend at the terminals of the junction at 2.0 GHz. The overall insertion loss obtained in this way is compatible with practice. © IEE, 2005.

Original languageEnglish
Pages (from-to)82-88
Number of pages7
JournalIEE Proceedings - Microwaves, Antennas and Propagation
Issue number2
Publication statusPublished - Apr 2005


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