Design of Magnetic Focusing system for a Compact Ka band Helix TWT | Zendy

Mithilesh Kumar | Zendy; M. K. Geetha | Zendy; M. Vijay Kumar | Zendy

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Design of Magnetic Focusing system for a Compact Ka band Helix TWT

Author(s) -

Mithilesh Kumar,

M. K. Geetha,

M. Vijay Kumar

Publication year - 2021

Publication title -

defence science journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.198

H-Index - 32

eISSN - 0976-464X

pISSN - 0011-748X

DOI - 10.14429/dsj.71.16810

Subject(s) - traveling wave tube , ka band , cathode , tube (container) , voltage , helix (gastropod) , optics , electrical engineering , current (fluid) , engineering , magnetic field , physics , mechanical engineering , geology , paleontology , cmos , quantum mechanics , snail , amplifier

In this paper we discuss the design of Magnetic focusing system (MFS) for a compact helix travelling wave tube (TWT) operating in Ka-band. Issues related to the design of the magnetic focusing system have been discussed in detail along with practical measurement results. The key design parameters considered for this TWT are: the cathode voltage is around 9.3kV, beam current is 200mA and total length of the tube not more than 6 inch with minimal weight.

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