本文讨论了奥罗管(一种产生或放大毫米波的电子管)的工作原理。文中提出了一种电子与该器件的开放式谐振腔内电磁场互作用并被群聚的工作原理。线性计算可以预计器件起始振荡所要求的电流。对于一个打算工作在75千兆赫的器件,理论预计其起始电流为34.5毫安,调谐跨导为0.31兆赫/伏。文章给出了根据理论计算结果而作的实验设计的细节。 This article discusses the working principle of an Oro tube, a tube that generates or amplifies millimeter waves. In this paper, the working principle of the interaction between the electrons and the open resonant cavity of the device is proposed. Linear calculations predict the current required for the initial oscillation of the device. For a device intended to operate at 75 GHz, the theory predicts an initial current of 34.5 mA and a tuning transconductance of 0.31 MHz / V. The article gives details of the experimental design based on theoretical calculations.