NDLI: An examination of the performance of backward wave CFA's in simulation and experiment

Content Provider	IEEE Xplore Digital Library
Author	Ludeking, L.D. Smith III, R.S. Wortman, W.R.
Copyright Year	2001
Description	Author affiliation: Mission Res. Corp., Newington, VA, USA (Ludeking, L.D.; Smith, R.S., III; Wortman, W.R.)
Abstract	This paper presents comparisons of 3D simulations of amplitrons (backward wave CFAs) under cold test (no electrons present) with experimental cold tests. These include measurements using both S/sub 11/ and S/sub 22/ parameters vs. frequency methods. Results both for the so-called "baby" amplitron, an S-band tube currently used by the Navy, and a new experimental ultra-high-average-power UHF amplitron are presented. The baby is of interest in that it exhibits spurious output, ostensibly due to resonant phenomena caused by impedance mismatches within the tube. In order to study this in detail, MRC is performing both computer and experimental cold tests of each major section of these tubes, which includes a double ridged waveguide taper and a two-conductor TEM transmission line on both the input and the output, and the amplitron slow-wave circuit itself. Related work reported includes MAGIC hot runs on both tubes, attempting to verify performance results against experimental runs and to study spurious behavior, and MAGIC studies of multipactor.
Sponsorship	Plasma Sci. & Appl. Committee Pulsed Power Sci. & Technol. Committee of the IEEE Nucl. & Plasma Sci. Soc
Starting Page	229
Ending Page	231
File Size	287464
Page Count	3
File Format	PDF
ISBN	0780371208
DOI	10.1109/PPPS.2001.1002034
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-17
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Pediatrics Circuit testing Electrons UHF measurements Frequency Resonance Impedance Performance evaluation Military computing Distributed parameter circuits
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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