Calibration and adjustments of degree-1 and -2 re-entrant turnstile circulators using a partially recessed quarter-wave long dielectric resonator.
Journal Article
Helszajn, J., Sharp, J., & Carignan, L. (2015)
Calibration and adjustments of degree-1 and -2 re-entrant turnstile circulators using a partially recessed quarter-wave long dielectric resonator. IET microwaves, antennas & propagation, https://doi.org/10.1049/iet-map.2014.0358
The choice of reference planes in the design of the turnstile circulator is not unique. The purpose of this study is to examine two possibilities each of which is equally vali...
An FE adjustment of a waveguide turnstile junction circulator using a three quarter wavelength gyromagnetic resonator.
Working Paper
Helszajn, J., & Sharp, J. (2012)
An FE adjustment of a waveguide turnstile junction circulator using a three quarter wavelength gyromagnetic resonator
One difficulty with the design of millimetre waveguide junction circulators using quarter-wave long gyromagnetic resonators, beside that of fabrication, is the inability to re...
Split frequencies and susceptances of the three port junction circulator from an experimental determination of the complex gyrator circuit
Journal Article
Helszajn, J., Sharp, J., & Mackay, M. (2008)
Split frequencies and susceptances of the three port junction circulator from an experimental determination of the complex gyrator circuit. IEEE Transactions on Microwave Theory and Techniques, 56, 2213-2220. https://doi.org/10.1109/TMTT.2008.2003136
The adjustment of the classic three port circulator involves an in-phase eigen-network and a pair of split counter-rotating ones. The purpose of this paper is to use some rece...
Adaptive PN code acquisition in DS-CDMA systems.
Conference Proceeding
Sharif, M., Obiebi, J. & Sharp, J. (2004)
Adaptive PN code acquisition in DS-CDMA systems