2022年4月11日 · An easy-to-understand explanation of how a device called a magnetron makes the microwaves in ovens and radar-navigation sets.

2024年8月21日 · A magnetron consists of several key components: Cathode: The cathode is located at the center of the magnetron and is responsible for emitting electrons when heated. It is typically made of a material that easily releases electrons, such as tungsten. Anode: Surrounding the cathode is the anode block, which contains a series of resonant cavities ...

A magnetron is basically a vacuum tube of high power having multiple cavities. It is also known as cavity magnetron because of the presence of anode in the resonant cavity of the tube. The operating principle of a magnetron is such that when electrons interact with electric and magnetic field in the cavity then high power oscillations get ...

2024年12月3日 · Designed for specialized applications, custom magnetrons include advanced components like shutter assemblies, mounting hardware, and gas manifolds. Radar Systems: Magnetrons generate short pulses of microwave energy to enable precise object detection.

It consists of six main components [52]: the microwave generator (called the magnetron), the waveguide, the microwave cavity, the mode stirrer, a circulator, and a turntable as shown in Fig. 7 [52]. The magnetron is a device for generating fixed frequency microwaves, which is principally thermionic diode with heated cathode acting as sources of ...

Magnetrons are high-powered vacuum tubes used to generate microwave signals. There are many types of products. Examples include: cavity magnetrons; cylindrical magnetrons; circular magnetrons; rectangular magnetrons; sputtering magnetrons; Applications. Applications for magnetrons include radar, microwave ovens, and lighting systems.

There are three main types of Magnetrons. The negative resistance between two anode segments, is used. They have low efficiency. They are used at low frequencies (< 500 MHz). The synchronism between the electric component and oscillating electrons is considered. Useful for frequencies higher than 100MHz.

A magnetron is a high-vacuum tube that converts direct-current power into alternating-current power, typically at microwave frequencies, by utilizing a constant magnetic field to modify the space-charge distribution and current-voltage relations.

The main components of a magnetron include a cathode, a cylindrical anode, a resonant system or tank circuit, and a magnet. The trajectories of the electrons in an oscillating magnetron are extremely complicated and intersect in such an intricate manner that no …

Magnetron, diode vacuum tube consisting of a cylindrical (straight wire) cathode and a coaxial anode, between which a dc (direct current) potential creates an electric field. A magnetic field is applied longitudinally by an external magnet. Connected to …