NDLI: 1.7 kW power booster TWT at 35 GHz

Content Provider	IEEE Xplore Digital Library
Author	Levush, B. Abe, D. Vlasov, A. Chernyavskiy, I. Cooke, S. Pasour, J. Legarra, J. Nguyen, K. Pershing, D. Wright, E. Hanna, J. Garcia, A. Kimura, T. Lugos, P. Meyer, C. Luis Ramirez-Aldana, J. Stockwell, B. Begum, R. Chernin, D.
Copyright Year	2014
Description	Author affiliation: Naval Research Laboratory, Washington, DC, USA (Levush, B.; Abe, D.; Vlasov, A.; Chernyavskiy, I.; Cooke, S.; Pasour, J.) \|\| Communications and Power Industries, Palo Alto, CA, USA (Garcia, A.; Kimura, T.; Lugos, P.; Meyer, C.; Luis Ramirez-Aldana, J.; Stockwell, B.; Begum, R.) \|\| Beam-Wave Research, Bethesda, MD, USA (Legarra, J.; Nguyen, K.; Pershing, D.; Wright, E.; Hanna, J.) \|\| Leidos, Reston, VA, USA (Chernin, D.)
Abstract	The development of a broadband multi-kW Ka-band PPM focused TWT driver-booster combination is reported. The driver is an existing broadband coupled-cavity $TWT^{1},$ employing a 2 stage depressed collector. The power booster is a newly designed sever-less folded waveguide TWT designed to provide 3–4 dB of additional $gain^{2}.$ The booster also uses a 2 stage depressed collector and a slightly modified version of the same electron gun used in the driver. In order to accommodate the high power output of the booster over the full operating band, a new racetrack window was successfully designed built and tested. The maximum booster output power of ∼ 1.75 kW at ∼ 750 Watt CC-TWT input power at 35 GHz has been demonstrated. The booster output power of 1.5 kW over 5 GHz and of 1.25 kW over 7 GHz centered at 35 GHz has been measured. Beam current interception of ∼ 7% has been observed in the power booster when operating > 1 kW, thus preventing a CW operation of the booster. The predictions from the 2.5D large signal TESLA-FW simulation $code^{3}$ are in very good agreement with the measured data.
Starting Page	1
Ending Page	1
File Size	81422
Page Count	1
File Format	PDF
ISBN	9781479927111
e-ISBN	9781479927135
DOI	10.1109/PLASMA.2014.7012633
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conference proceedings Broadband amplifiers Current measurement Laboratories Power industry Power generation
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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