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Study of SteadyState operation of Regenerative Frequency
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activation amplifier amplitude angle anode approximation barium beam bias boride boundary calculation capacitance cathode temperature characteristics circuit components considered constant correlation function corresponding curves density dependence detector determined diagram dielectric diode dispersion equation distance effect electric electron emitter equal evaporation experimental expression ferrite ferromagnetic resonance fluctuations focussing formula frequency given grid gyrotropic waveguide increase input investigation ionosphere klystron L-cathode layer linear magnetic field magnitude matrix maximum measurement metal method modulation Nauk noise obtained operation oscillations oscillograms output oxide cathode oxygen parameters permittivity phase photocathodes Phys plane poisoning possible potential present pressure propagation propagation constant pulse quantity radio Radiotekhnika i elektronika reduced regime region resonance secondary emission self-bias semiconductor shown in Fig signal solution spin waves stability stationary stubs surface thermionic thermionic emission trajectory transconductance tube tungsten vacuum valve variation velocity volt-ampere voltage waveguide wavelength waves zero