Isolator using a ferrite-coupled-lines gyrator

J Mazur, M Mazur, J Michalski, E Sędek - IEE Proceedings-Microwaves …, 2002 - IET
isolator based on a new concept using a section of axially magnetised ferrite coupled line (…
, LE: ‘Normal mode analysis of ferritecoupled lines using microstrips or slot-lines’, IEEE Trans. …

Microstrip and stripline ferrite-coupled-line (FCL) circulator's

CK Queck, LE Davis - IEEE Transactions on Microwave Theory …, 2002 - ieeexplore.ieee.org
… a three- and four-port “microstrip” circulator with the ferrite above the substrate. However,
multiple reflections were observed and the differential isolation was poor (approximately 6 dB). …

Microstrip four-port circulator using a ferrite coupled line section

W Marynowski, A Kusiek, J Mazur - AEU-International Journal of …, 2009 - Elsevier
isolation in comparison to a single ferrite coupled line structures. In this paper, we propose
an alternative cascade of sandwich microstrip ferrite coupled line … of double isolators were …

Coupled-mode design of ferrite-loaded coupled-microstrip-lines section

J Mazur, M Mazur, J Michalski - IEEE Transactions on …, 2002 - ieeexplore.ieee.org
coupled-mode approach is applied to a microstrip circulator with a distributed section of axially
magnetized ferrite coupled lines (… The measured isolation is closer to our theoretical value …

Theory and design of tunable full-mode and half-mode ferrite waveguide isolators

FA Ghaffar, JR Bray, M Vaseem, L Roy… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
… This paper demonstrates the versatility of ferrite isolators as tunable … 50 microstrip lines on
the same ferrite substrate. The transition to RWG is made by flaringout the microstrip line such …

Study of nonreciprocal devices using three-strip ferrite coupled line

W Marynowski, J Mazur - Progress In Electromagnetics Research, 2011 - jpier.org
… The integrated nonreciprocal devices are in general realized in microstrip [2–12] or slot line
[15… The investigated structures of FCL circulator and double isolator were manufactured and …

Coupled-mode analysis of ferrite microstrip lines

J Mazur, P Kutysz, A Cwikla - IEEE microwave and guided …, 1999 - ieeexplore.ieee.org
coupling between the basis propagating and the evanescent isotropic modes, we determine
the propagation characteristics of normal modes in ferrite microstrips… The isolation of the port …

Broad-band three-port and four-port stripline ferrite coupled line circulators

CK Queck, LE Davis - IEEE Transactions on Microwave Theory …, 2004 - ieeexplore.ieee.org
… The effect of variation of the bias field toward differential isolation … [6] CS Teoh and LE
Davis, “Normal-mode analysis of ferrite-coupled lines using microstrips or slotlines,” IEEE Trans. …

Ferrite-coupled line circulator simulations for application at X-band frequency

SD Yoon, J Wang, N Sun, C Vittoria… - IEEE transactions on …, 2007 - ieeexplore.ieee.org
… The design and simulation are based upon a simple three-port microstrip ferrite coupled
line … From the results of the HFSS simulations, we report isolation as high as 52 dB and an …

[图书][B] Ferrite-coupled planar microwave devices

CS Teoh - 1996 - search.proquest.com
… For FSL, the focus is on microstrip lines with longitudinally-magnetized ferrite, as an important
… ® Figure 2.4: Side view of coupled-slot finline isolator with one ferrite slab placed on each …