Zobrazeno 1 - 10
of 71
pro vyhledávání: '"F.N. Wood"'
Autor:
John C. Rodgers, Colin D. Joye, Igor A. Chernyavskiy, Simon J. Cooke, Reginald L. Jaynes, John Pasour, Thomas M. Antonsen, F.N. Wood, Alexander N. Vlasov, Khanh T. Nguyen, Vadim Jabotinski, Baruch Levush, David Chernin, David K. Abe
Publikováno v:
2018 IEEE International Conference on Plasma Science (ICOPS).
In this paper we present a practical design of Multiple Beam Traveling Wave Tube (MB-TWT) with Folded Waveguide (FW) Slow Wave Structure (SWS) operating at low voltages, 6.2 kV, with output power about 300 Wand central frequency of 29 GHz completed b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c1ebecec89b25942ec2132b02f5dd30a
https://doi.org/10.1109/icops35962.2018.9575793
https://doi.org/10.1109/icops35962.2018.9575793
Autor:
John C. Rodgers, Baruch Levush, John Pasour, Thomas M. Antonsen, Khanh T. Nguyen, F.N. Wood, Igor A. Chernyavskiy, David K. Abe, Colin D. Joye, David Chernin, Vadim Jabotinski, Reginald L. Jaynes, Simon J. Cooke, Alexander N. Vlasov
Publikováno v:
2018 IEEE International Vacuum Electronics Conference (IVEC).
Folded Waveguide (FW)mini- TWT based on four beams operating at 6.2 kV with total beam power 2.7 kW has been designed by using NRL design codes. The FW slow wave structure (SWS) has been fabricated and "cold" tested. The results of measurements are c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bcb906239bd133e3a6e02a4a4ec62448
https://doi.org/10.1109/ivec.2018.8391545
https://doi.org/10.1109/ivec.2018.8391545
Akademický článek
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Autor:
Edward L. Wright, R.E. Myers, F.N. Wood, Khanh T. Nguyen, John Pasour, Baruch Levush, Adam Balkcum
Publikováno v:
IEEE Transactions on Electron Devices. 61:1630-1636
A technological breakthrough is embodied in the successful demonstration of an extended interaction klystron (EIK) amplifier, which has produced over 7.5 kW of peak output power at W-band (94 GHz). An efficiency of ${\sim}{17\%}$ has been achieved wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::595dd3973cfb21b2274bbc7c8b2e3aba
https://doi.org/10.1109/ted.2013.2295771
https://doi.org/10.1109/ted.2013.2295771
Autor:
Dean E. Pershing, Igor A. Chernyavskiy, F.N. Wood, David K. Abe, Khanh T. Nguyen, B. Levush, Edward L. Wright, A.N. Vlasov, R.E. Myers, E. L. Eisen
Publikováno v:
IEEE Transactions on Electron Devices. 56:846-854
We present experimental results and analyses of an eight-beam five-cavity multiple-beam klystron (MBK) operating at a center frequency of ~3.2 GHz. The device met its performance goals in its first hardware implementation, generating a peak RF output
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b7f80167922ce2037972ab92481da69
https://doi.org/10.1109/ted.2009.2015627
https://doi.org/10.1109/ted.2009.2015627
Publikováno v:
International Journal of Heat and Mass Transfer. 50:4767-4779
Experiments on removing high heat fluxes from GaN-on-SiC semiconductor dies using microchannel coolers are described. The dies contain an AlGaN/GaN heterostructure operated as a direct current resistor, providing a localized heat source. The active d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6f8587deafd5aab3146561f37243336a
https://doi.org/10.1016/j.ijheatmasstransfer.2007.03.013
https://doi.org/10.1016/j.ijheatmasstransfer.2007.03.013
Publikováno v:
IEEE Transactions on Electron Devices. 54:1253-1258
The authors present the results of experimental measurements of the radio frequency phase as a function of cathode voltage for an eight-beam four-cavity multiple-beam klystron (MBK) operated at a driven frequency of 3.25 GHz. The phase-pushing factor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::baf197c98751306932004378317372ea
https://doi.org/10.1109/ted.2007.894240
https://doi.org/10.1109/ted.2007.894240
Publikováno v:
IEEE Transactions on Components and Packaging Technologies. 28:797-809
This paper presents finite-element thermo-mechanical simulation studies of microchannel-based techniques to cool AlGaN/GaN high electron mobility rf transistors grown on SiC substrates. A number of problems are considered, including standard thicknes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d32ee3ff1e0e1199ad3ae2df9f54340
https://doi.org/10.1109/tcapt.2005.848584
https://doi.org/10.1109/tcapt.2005.848584
Autor:
B.G. Danly, Khanh T. Nguyen, F.N. Wood, Dean E. Pershing, Jeffrey P. Calame, Baruch Levush, M. Garven
Publikováno v:
IEEE Transactions on Plasma Science. 32:947-956
Current amplifier research at the Naval Research Laboratory Vacuum Electronics Branch emphasizes techniques to extend the bandwidth and average power capability of gyro devices for millimeter wave radar applications. This paper will discuss the imple
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa88b54bee970fe7d5a2b466954d0aef
https://doi.org/10.1109/tps.2004.828823
https://doi.org/10.1109/tps.2004.828823
Autor:
John J. Petillo, David K. Abe, B. Levush, F.N. Wood, M. Cattelino, Dean E. Pershing, M. Cusick, Khanh T. Nguyen, Jeffrey P. Calame, John Pasour, E. Wright
Publikováno v:
IEEE Transactions on Plasma Science. 32:1212-1222
This paper describes the detailed design of an eight-beam electron gun for use in S-band multiple-beam amplifiers operating in the fundamental mode. The gun operating voltage is 45 kV with a total beam current of 32 A, evenly divided among the beamle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d95afad1a9737c56fac3e23b4b058c2a
https://doi.org/10.1109/tps.2004.828803
https://doi.org/10.1109/tps.2004.828803