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Volume 30 Issue 6
Dec.  2010
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Yin Rui-jian, Liu Pu-kun. Design of a Single-anode Magnetron-injected-gun for the 3mm GYRO-TWT Amplifiers[J]. Journal of Electronics & Information Technology, 2008, 30(6): 1507-1510. doi: 10.3724/SP.J.1146.2006.01896
Citation: Yin Rui-jian, Liu Pu-kun. Design of a Single-anode Magnetron-injected-gun for the 3mm GYRO-TWT Amplifiers[J]. Journal of Electronics & Information Technology, 2008, 30(6): 1507-1510. doi: 10.3724/SP.J.1146.2006.01896

Design of a Single-anode Magnetron-injected-gun for the 3mm GYRO-TWT Amplifiers

doi: 10.3724/SP.J.1146.2006.01896
  • Received Date: 2006-11-29
  • Rev Recd Date: 2007-05-17
  • Publish Date: 2008-06-19
  • A single-anode electron gun is designed and simulated according to the requirements of the gyrotron traveling wave amplifier. Firstly,the initial parameters for example the cathode angle, the cathode emitter strip and the distance between cathode and mod-anode are designed based on analytic trade-off equations. Secondly,the final beam parameters are determined with the electron trajectory code EGUN. The results reveal that when the accelerated voltage is 70kV and the beam current is 4.55A, electron gun has the axial velocity spread of 2.4%, and the ratio of the transverse velocity to the axial velocity is equal to 1.0, which can satisfy the requirement of the low electron beam velocity spread in the gyrotron traveling wave amplifier.
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