Title :
Experimental study on harmonic-multiplying two-stage tapered gyro-TWT
Author :
Baik, C.W. ; Jeon, S.G. ; Kim, D.H. ; Ganguly, A.K. ; Park, G.S.
Author_Institution :
Sch. of Phys., Seoul Nat. Univ., South Korea
Abstract :
A Ka-band harmonic-multiplying gyro-TWT has been designed using a self-consistent nonlinear theory and the experimental work is underway. A saturated gain of 23 dB, a bandwidth of 3%, and an efficiency of 10% were predicted when a 30 kV, 1 A cusp gun was employed with axial velocity spread of 4%. The preliminary experimental results will be presented along with the cusp gun, magnetic field measurement, a directional coupler.
Keywords :
gyrotrons; harmonic generation; millimetre wave tubes; travelling wave tubes; 1 A; 10 percent; 23 dB; 30 kV; Ka-band; axial velocity spread; cusp gun; directional coupler; harmonic-multiplying two-stage tapered gyro-TWT; magnetic field; self-consistent nonlinear theory; Bandwidth; Circuit simulation; Cyclotrons; Dispersion; Electron beams; Frequency; Gain; Magnetic field measurement; Power generation; Rectangular waveguides;
Conference_Titel :
Microwave and Millimeter Wave Technology, 2002. Proceedings. ICMMT 2002. 2002 3rd International Conference on
Print_ISBN :
0-7803-7486-X
DOI :
10.1109/ICMMT.2002.1187655
