| Abstract: | Results of the investigation of the pulse control of an electronic emitter with a plasma limited to a boundary ionic layer are presented. The control of the emitter current was realized by modulating the plasma area by means of varying the extent of the ionic layer in the emission channel. It is shown that the time for the formation of the front and trailing edge of the current pulse depends on the time for establishing a stationary distribution of ions in the boundary layer. For an electronic emitter, based on a reflective discharge with a field cathode, this time is of about 10–8 sec. The experimental setup is described, and the results obtained in the pulse control of an emitter current through modulation of the emission area are presented.Institute of Automated Control Systems and Radioelectronics, Tomsk. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 28–33, May, 1992. |
