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The cavity magnetron is a high-power vacuum tube used in early radar systems and subsequently in microwave ovens and in linear particle accelerators. A cavity magnetron generates microwaves using the interaction of a stream of electrons with a magnetic field, while moving past a series of cavity resonators, which are small, open cavities in a ...
A microwave oven or simply microwave is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. [1] This induces polar molecules in the food to rotate and produce thermal energy (heat) in a process known as dielectric heating .
LC circuit equivalent for microwave resonant cavity. Microwave resonant cavities can be represented and thought of as simple LC circuits, see Montgomery et al pages 207-239. [15] For a microwave cavity, the stored electric energy is equal to the stored magnetic energy at resonance as is the case for a resonant LC circuit.
T – Tunable microwave device; W – Water cooling; The following group of digits indicate: Microwave tubes: Frequency in GHz; Rectifying tubes: DC output voltage in kV; Thyratrons: Peak inverse voltage in kV; Transmitting tubes: Maximum anode voltage in kV; The following group of digits indicate the power: Backward-wave amplifier or Traveling ...
The cavity magnetron was widely used during World War II in microwave radar equipment and is often credited with giving Allied radar a considerable performance advantage over German and Japanese radars, thus directly influencing the outcome of the war. It was later described by noted Historian James Phinney Baxter III as "The most valuable ...
The two then considered what would happen if the two metal plates of the magnetron were replaced by resonators, essentially combining the existing magnetron and klystron concepts. The magnet would cause the electrons to travel in a circle, as in the case of the magnetron, so they would pass by each of the resonators, generating microwaves much ...