NDLI: The evolution of ferrite and other passive control components: A personal account

Content Provider	IEEE Xplore Digital Library
Author	Whicker, Lawrence R.
Copyright Year	2012
Description	Author affiliation: LRW Associates, 468 Walden Trail, Waxhaw, NC, 28173, USA (Whicker, Lawrence R.)
Abstract	This Paper begins with a brief discussion of the state of passive components in the 1960 time frame. At this time available control components were realized in waveguide format with a few components being realized in balanced strip transmission line. Work on ferrite isolators and phase shifters at the Sperry Microwave Electronic Co. are reviewed. Work at other organizations are reviewed also. Developments in the mid 1960's, on toroidal non-reciprocal phase shifters (latching phase shifters) are optimized for use in microwave passive arrays. Applications are presented. Later efforts on reciprocal dual mode phase shifters are described. In the dual mode phase shifters fully filled circular waveguide are used in a unique geometrical layout. The present wide usage of these in both ground based and air borne arrays are highlighted.
Starting Page	1
Ending Page	3
File Size	1446812
Page Count	3
File Format	PDF
ISBN	9781467310857
ISSN	0149645X
e-ISBN	9781467310888
e-ISBN	9781467310864
DOI	10.1109/MWSYM.2012.6257779
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-17
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Microwave measurements Switches Magnetic switching Strips Gyroscopes Advisory Committee Indexes passive phased arrays Ferrimagnetic material non-reciprocal phase shifters toridal phase shifters latching phase shifters dual-mode reciprocal phase shifters
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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