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. Author manuscript; available in PMC: 2010 Jan 5.
Published in final edited form as: IEEE Trans Electron Devices. 2009 May 1;56(5):818–827. doi: 10.1109/TED.2009.2015802

Fig. 6.

Fig. 6

Schematic of the experimental tube showing (a) a MIG cathode, (b) an external copper gun coil, (c) a superconducting magnet, (d) a three-section amplifier circuit, (e) a collector and output waveguide, (f) an input waveguide, and (g) a double-disc output window.