Abstract:
The generation of noise-like broadband oscillations in the collector system region of a traveling-wave tube (TWT) is investigated experimentally. Analysis of experimental results shows that noise-like broad-band oscillations are generated in the collector region of the TWT due to the injection of a multivelocity electron beam into it. It is found that the maximal integrated power output from the collector region of the TWT is 12 W, and the maximal frequency and generation band are $f_{\mathrm{max}}$ = 7 GHz and $\Delta f/f\approx$ 0.8, respectively. It is shown that a TWT with a collector-generator can simultaneously operate as an amplifier of an external signal and as a generator.
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