Title :
Particle simulation of a Q-Band gyro-TWT with distributed lossy loaded circular waveguide circuit
Author :
Yong Tang ; Yong Luo ; Yong Xu
Author_Institution :
Sch. of Phys. Electron., Univ. of Electron. Sci. & Technol. of China, Chengdu, China
Abstract :
The paper introduce a particle simulation of a Q-band gyro-TWT operating in the circular waveguide TE01 mode at the fundamental cyclotron harmonic. The simulation predict that it can produce an output peak power over 265 kW at 46.5GHz, corresponding to a 37.8% efficiency, 47.2 dB gain, the 3dB bandwidth is about 3.5GHz. The potential backward wave oscillations (BWOs) TE11 TE21 and TE02 spurious modes are effectively suppressed by the distributed lossy loaded waveguide.
Keywords :
backward wave oscillators; circular waveguides; cyclotrons; travelling wave tubes; BWO; Q-band gyro-TWT; backward wave oscillations; cyclotron harmonic; distributed lossy loaded circular waveguide circuit; distributed lossy loaded waveguide; frequency 46.5 GHz; gain 47.2 dB; particle simulation; power 265 kW; travelling wave tubes; 3dB bandwidth; BWOs; distributed lossy loaded; gyro-TWT; particle simulation;
Conference_Titel :
Vacuum Electronics Conference (IVEC), 2015 IEEE International
Conference_Location :
Beijing
Print_ISBN :
978-1-4799-7109-1
DOI :
10.1109/IVEC.2015.7223893
