NDLI: Versatile e-beam prebuncher for FEMs and other high power beam devices

Content Provider	IEEE Xplore Digital Library
Author	Eichenbaum, A.L. Kleinman, H. Arbel, M. Gover, A.
Copyright Year	1998
Description	Author affiliation: Fac. of Eng., Tel Aviv Univ., Israel (Eichenbaum, A.L.)
Abstract	Beam bunching is employed in microwave tubes, FEMs and in other devices. We shall characterize and point out the advantages of using a traveling wave type prebuncher in a table-top compact FEM, which operates successfully at Tel-Aviv University in C-band and for FEMs operating anywhere in the microwave or mm wave range. Our prebuncher utilizes the e-gun and the first 2 "amplifier" sections of a 3-section Traveling Wave Tube (TWT). The 3rd "output" section was severed; an adopting flange was added to permit mounting and alignment of the prebuncher with the FEM resonator. We shall characterize the density modulation of the e-beam exiting from the prebuncher as a function of the RF power input to the prebuncher and as a function of operating frequency. This characterization is made possible by scaling from data of small signal gain, saturation gain, power output vs. power input which was measured on the 3 section TWT for a large frequency range. From this measured data, from the knowledge of the prebuncher operating parameters and from existing information regarding the behavior of TWT bunched beams in the saturation region a good estimate of density modulation vs. Input power and frequency is obtained for our prebuncher.
Starting Page	728
Ending Page	731
File Size	267407
Page Count	4
File Format	PDF
ISBN	0780342879
DOI	10.1109/BEAMS.1998.816956
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-06-12
Publisher Place	Israel
Access Restriction	Subscribed
Rights Holder	Beam Organizing Committee
Subject Keyword	Space vector pulse width modulation Power amplifiers Bandwidth Microwave devices Pulse width modulation Flanges Frequency Oscillators Wideband Power engineering and energy
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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