| 摘要 |
A microwave oscillator comprises a wave-guide having a closed end with a semiconductor diode having a negative differential resistance for the frequency used placed in the wave-guide spaced from the closed end and electrically connected to two elements protruding inwardly from opposite walls of the wave-guide, with one of the elements being electrically isolated from the wall and having an unsymmetrical, rotatable body. The wave-guide may be conical if desired.
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