A two-port wr75 waveguide turnstile gyromagnetic switch

Joseph Helszajn, Alicia Casanueva, Angel Mediavilla Sánchez, José A. Pereda, Marco Caplin, Brian C. O'Donnell

Research output: Contribution to journalArticle

Abstract

The two-port reflection gyromagnetic waveguide switch described in this paper consists of a 90° Faraday rotator in a re-entrant or an inverted re-entrant turnstile geometry in the E-plane at the junction of two H-plane rectangular waveguides. It adjustment is a two-step eigenvalue problem. One adjustment fixes the electrical length of the circular Faraday rotator waveguide and produces a passband in its frequency response and the other fixes its gyrotropy and produces a stopband there. This paper also includes the separate synthesis of the passband condition in a WR75 waveguide at a frequency of 13.25 GHz using two different processes. The switch has two passband conditions at the design frequency, each of which is verified experimentally The stopband is separately established experimentally by magnetizing the gyromagnetic resonator. © 2010 IEEE.

Original languageEnglish
Article number5466172
Pages (from-to)1485-1492
Number of pages8
JournalIEEE Transactions on Microwave Theory and Techniques
Volume58
Issue number6
DOIs
Publication statusPublished - Jun 2010

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Waveguides
Switches
Rectangular waveguides
Frequency response
Resonators
Geometry

Keywords

  • Ferrite switches
  • Gyromagnetic resonators

Cite this

Helszajn, J., Casanueva, A., Sánchez, A. M., Pereda, J. A., Caplin, M., & O'Donnell, B. C. (2010). A two-port wr75 waveguide turnstile gyromagnetic switch. IEEE Transactions on Microwave Theory and Techniques, 58(6), 1485-1492. [5466172]. https://doi.org/10.1109/TMTT.2010.2047917
Helszajn, Joseph ; Casanueva, Alicia ; Sánchez, Angel Mediavilla ; Pereda, José A. ; Caplin, Marco ; O'Donnell, Brian C. / A two-port wr75 waveguide turnstile gyromagnetic switch. In: IEEE Transactions on Microwave Theory and Techniques. 2010 ; Vol. 58, No. 6. pp. 1485-1492.
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Helszajn, J, Casanueva, A, Sánchez, AM, Pereda, JA, Caplin, M & O'Donnell, BC 2010, 'A two-port wr75 waveguide turnstile gyromagnetic switch', IEEE Transactions on Microwave Theory and Techniques, vol. 58, no. 6, 5466172, pp. 1485-1492. https://doi.org/10.1109/TMTT.2010.2047917

A two-port wr75 waveguide turnstile gyromagnetic switch. / Helszajn, Joseph; Casanueva, Alicia; Sánchez, Angel Mediavilla; Pereda, José A.; Caplin, Marco; O'Donnell, Brian C.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 58, No. 6, 5466172, 06.2010, p. 1485-1492.

Research output: Contribution to journalArticle

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AU - Helszajn, Joseph

AU - Casanueva, Alicia

AU - Sánchez, Angel Mediavilla

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AU - Caplin, Marco

AU - O'Donnell, Brian C.

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Helszajn J, Casanueva A, Sánchez AM, Pereda JA, Caplin M, O'Donnell BC. A two-port wr75 waveguide turnstile gyromagnetic switch. IEEE Transactions on Microwave Theory and Techniques. 2010 Jun;58(6):1485-1492. 5466172. https://doi.org/10.1109/TMTT.2010.2047917